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____ 1-4) 1979 P-5O21 (21)' This document is available from the National Technical Information Service (NTIS), Springfield, Virginia 22161, at price code A06 ($6.50. domestic; $13.00 foreign). Order NASA SP:5021(21).

INTRODUCTION

Tech Briefs are short announcements of new technology derived from the research and development activities of the National Aeronautics and Space Administration. These briefs emphasize information considered likely to be transferrable across industrial, regional, or disciplinary lines and are issued to encourage commercial application.

This Index to NASA Tech Briefs contains abstracts and four indexes -- subject, personal author, originating Center, and Tech Brief number -- for 1979 Tech Briefs.

Abstract Section

The abstract section is divided into nine categories: Electronic Components and Circuits; Electronic Systems; Physical Sciences; Materials; Life Sciences; Mechanics; Machinery; Fabrication Technology; and Mathematics and Information Sciences. Within each category, abstracts are arranged sequentially by Tech Brief number.

A typical abstract entry has these elements:

TECH BRIEF NUMBER TITLE

e B79-10298 LOW-COMMON-MODE DIFFERENTIAL AMPLIFIER INNOVATOR S. MORRISON (Westinghouse Electric Corp.) r—w Apr. 1980 DATE MSC-18201 Vol. 4. No. 3. p. 323 ABSTRACT Outputs of differential amplifier are excellently matched in phase and amplitude over wide range of frequencies. Common ORIGINATING mode feedback loop offsets differences between two signal paths. CENTER NUMBER Possible applications of circuit are in oscilloscopes, integrated circuit logic tester, and other self contained instruments.

The originating Center number in each entry includes an alphabetical prefix that identifies the NASA Center where the Tech Brief originated. A list of prefixes and the corresponding Center names are given on page iii.

Indexes

Four indexes are provided. The first is a subject index, arranged alphabetically by subject heading. Each entry in the subject index includes a Tech Brief number and a category number to aid the user in locating pertinent entries in the abstract section.

SUBJECT HEADING

AIRCRAFT STABIUTY TITLE e Airplane stability programs for pocket calculators LANGLEY. 12479 879-10248 06

/ ORIGINATING CENTER NUMBER TECH BRIEF NUMBER CATEGORY The January 1976 edition of the NASA Thesaurus (NASA SP-7050) is used as the authority for the indexing vocabulary that appears in the subject index. The NASA Thesaurus should be consulted in examining the current indexing vocabulary, including associated cross-reference structure. Only the subject terms that have been selected to describe the documents abstracted in this issue appear in the subject index. Copies of the NASA Thesaurus may be obtained from the National Technical Information Service at $23.50 for the two-volume set.

The second index is a personal author index. Entries in this index are arranged alphabetically by author's name. Tech Brief and category numbers are supplied to help the user find the appropriate entries in the abstract section.

AUTHOR

BRABIS. T. A. TITLE Compact reactor for onboard hydrogen generation LEWIS. 13033 879-10368 04 V. ORIGINATING CENTER NUMBER TECH BRIEF NUMBER CATEGORY

The third index relates each originating Center number to the corresponding Tech Brief number and category. Entries in this index are arranged in alphanumeric order by Center number.

M.FS.25137 ...... 879-10194 03 7 ORIGINATING CENTER NUMBER TECH BRIEFtN NUMBER CATEGORY

The fourth index relates each Tech Brief number to its originating Center number. Entries are arranged in ascending Tech Brief number order.

879-10003 01 ...... NPO.14077

TECH BRIEF NUMBER7 CATEGORY ORIGINATING CENTER NUMBER Originating Center Prefixes

ARC Ames Research Center FRC Dryden Flight Research Center GSFC Goddard Space Flight Center HQ NASA Headquarters KSC Kennedy Space Center LANGLEY Langley Research Center LEWIS Lewis Research Center M-FS Marshall Space Flight Center MSC Johnson Space Center (formerly Manned Spacecraft Center) NPO Jet Propulsion Laboratory/NASA Pasadena Office Availability of NASA Tech Briefs

Distribution of NASA Tech Briefs, a quarterly publication, is limited to managers and engineers in U.S. Industry and to other qualified technology transfer agents, such as; members of the media, teachers, librarians, and professionals supporting domestic commerce and industry.

Requests for individual Tech Briefs or for copies of the quarterly publication should be addressed to the Director, Technology Transfer Division Office, P.O. Box 8757, Baltimore/Washington International Airport, Maryland 21240.

This document was prepared by the NASA Scientific and Technical Information Facility, operated for the National Aeronautics and Space Administration by PRC Data Services Company.

iv TABLE OF CONTENTS

Abstract Section

Category 01 Electronic Components and Circuits ... 1

02 Electronic Systems ...... 7

03 Physical Sciences ...... 10

04 Materials ...... 18

05 Life Sciences ...... 24

06 Mechanics ...... 25

07 Machinery ...... 34

08 Fabrication Technology ...... 39

09 Mathematics and Information Sciences...... 44

Indexes

Subject...... 1-1

Personal Author ...... 1-35

Originating Center/Tech Brief Number ...... 1-5 1

Tech Brief/Originating Center Number ...... 1-55

S AND

tt Index to NASA Tech Briefs June 1980 Abstract Section

01 ELECTRONIC COMPONENTS AND B79-10005 VHF FREQUENCY MULTIPLIER CIRCUITS J. A. CUSACK (Motorola, Inc.) Aug. 1979 NPO-13700 Vol. 4. No, 1. p. 7 Low-power step-recovery-diode frequency multiplier generates 361-MHz signal. Diode conducts when ac waveform is positive 079-10001 at its upper terminal. When voltage is negative, diode continues WRAPAROUND-CONTACT SOLAR CELLS to conduct stored charge in its junction. C.R. BARAONA, T. M. KWCHER, J. W. THORNHILL (Spectrolab, Inc.), and J. SCOTT-MONCI( (Spectrolab. Inc.) B79-10006 Aug. 1979 See also NASA-CP-2020 (N78-13527); NASA-CR- FIBER-OPTIC CROSSBAR SWITCH 135202 (N77-32590) C. H. BELL LEWIS-13089 Vol. 4, No. 1. p.3 Aug. 1979 Positive and negative electrical contacts are on back surface of KSC.11104 Vol. 4, No, 1. p. 9 wraparound-contact solar cell. With both terminals on nonillumi- Switch automatically crosspatches optical signals with little nated side, cells can be connected back-to-back, and interconnec- loss. Device is furnished with local control and remote control. tion of many cells can be automated by using printed-circuit tech- Local control can be manual from control panel or by computer niques. Cells are made by screen-printing layer of dielectric around data bus. In remote control, switch is slaved to remote manual edge of cell and extending top contact over dielectric to back panel computer data bus. surface. Wraparound also facilitates application of transparent covers and encapsulants. Efficiencies of cells are in excess of B79-10007 seventeen percent. IMPROVED INSB PHOTODIODE PREAMPLIFIER CIRCUIT R. L. ULRICH Aug. 1979 B79-10002 NPO-14418 Vol. 4, No, 1. p. 9 EFFICIENT DICHROIC PLATE FOR MICROWAVES Integrator compensates for background noise in Fourier T. E. WISE (Bendix Corp.) spectrometer. Compensation is automatic. Aug. 1979 GSFC-12171 Vol. 4, No. 1. p. 4 879-10008 Signal separator for dual-frequency antennas has interlaced DECISION-DIRECTED AUTOMATIC GAIN CONTROL crossed slots, or dipole elements. Plate reflects or transmits more W. J. WEBER, III efficiently than conventionally-designed microwave dichroic Aug. 1979 plates in which elements are not interlaced. Interlaced plate also NPO-13639 Vol. 4. No. 1. p. 10 increases bandwidth of dual-frequency antenna in which it is Logic circuitry determines whether gain fluctuation are result used. of signal-strength changes or of a typical strings of like data symbols. Automatic Gain Control (AGC) system provides tight B79-10003 control that is independent of short-term, average, received signal LOW-BACKLOBE MICROWAVE TRANSMITTING HORN energy and has negligible degrading effect on probability of error D. A. BATHKER, S. A. BRUNSTEIN, P. W. CRAMER. and W. for signal. N. MOULE Aug. 1979 B79-10009 NPO-14077 Vol. 4, No. 1. p. 5 SELF-CALIBRATING THRESHOLD DETECTOR FOR NOISY By superimposing two hybrid modes, backiobes of S-band SIGNALS gain calibration horn are down 70 to 80 dB. J. R. BARNES (TRW. Inc.) and M. V. HUANG (TRW. Inc.) Aug. 1979 B79-10004 MSC-16370 Vol. 4. No, 1. p. 10 FAST-RESPONSE POWER SAVER FOR INDUCTION Single time-shared channel is not seriously affected by MOTORS temperature and aging. Circuit should also be useful in industrial F. J. NOLA and consumer equipment. For example, it might be incorporated Aug. 1979 See also 877-10154 in telemetry for security systems. M-FS-23988 Vol. 4. No. 1. p. 6 With control circuit, induction motors run more efficiently at B79-10010 light loads and respond to sudden load changes. It also anticipates LOW-FREQUENCY ATTENUATOR CIRCUIT power needs so that motor can respond instantly (to a load W. H. CASH, JR. (Martin Marietta Corp.) and J. T. POLYHEMUS applied by a clutch, for example). (Martin Marietta Corp.)

01 ELECTRONIC COMPONENTS AND CIRCUITS

Aug. 1979 rubbed-on graphite as interface between ceramic substrate and FRC-11012 Vol. 4. No. 1. p. 11 silicon layer of solar cell. Circuit uses only single operational amplifier and few passive components to remove background noise from miniature B79-10156 wristwatch' pulse detector. It can be applied to other systems IMPROVED METALIZED POLYCARBONATE CAPACITOR where background noise is slowly varying, such as ultrasonics, H. J. KELLERMAN (Component Research Co.) strain-gage sensors, and accelerometers. Dec. 1979 See also NASA-CA-150460 lN77-85673l M-FS-25142 Vol. 4, No. 2. p. 168 679-10011 Modified metallized polycarbonate-film capacitor withstands LOW-NOISE CURRENT REGULATOR 500 thermal cycles between 55 and 125 C replacing conventional J. BUNN (Xerox Corp.) devices which typically withstand 10 such cycles. Aug. 1979 NPO-14070 Vol. 4, No. 1. p. 12 B79-10157 Modification of conventional regulator minimizes current drift. BINARY-TO-MANCHESTER ENCODERS Current to be regulated flows through sensing resistor in series A. H. ST.CYR. Ill (Rockwell International Corp.), W. HU (The with load, producing voltage that is fed into operational amplifier. Garrett Corp.). and R. LATSHAW (The Garrett Corp.) Other input into amplifier is reference voltage from Zener diode Dec. 1979 network. MSC-16546 Vol. 4, No. 2. p. 169 Two circuit system converts 16-bit-word binary encoded data B79-10012 to 24-bit Manchester II code to allow easy interface of flight IMPROVED ISOLATION IN DOUBLE-BALANCED MIXERS simulators with aircraft communications equipment. P. H. STANTON Aug. 1979 B79-10158 NPO-14415 Vol. 4, No. 1, p. 13 VERSATILE DIGITAL SIGNAL PROCESSOR FOR DC TO Bypass circuit eliminates unwanted leakage in output RF DC CONVERTERS signal. Correction circuit was developed for phase-shift-keyed J. L. BlESS (TRW. Inc.). L. V. INOUVE (TRW, Inc.), and V. YU transmitters. Principle can be adapted to correct leakage in other (TRW. Inc.) types of RF circuitry as well. Dec. 1979 See also NASA-CR-135072 (N77-32398) LEWIS-13020 Vol. 4, No. 2. p. 170 B79-10013 Digital signal processor ID SP) for dc-to-dc converters, RELIABILITY OF IMAGING CCD'S processes all incoming signals and transmits correct signal to J. R. BEAL (Martin Marietta Corp.). M. D. BORENSTEIN (Martin operate power switch. Marietta Corp.). R. A. HOMAN (Martin Marietta Corp.), D. L. JOHNSON )Martin Marietta Corp.). D. D. WILSON (Martin B79-10159 Marietta Corp.). and V. F. YOUNG )Martin Marietta Corp.) DIGITAL PHASE SHIFTER Aug. 1979 See also NASA-MCR-78752 )N78-29352) M. G. PERRY (Vought Corp.) M-FS-25039 Vol. 4, No. 1. p. 14 Dec. 1979 Report on reliability of imaging charge-coupled devices (CCD's) LANGLEY-12338 Vol. 4. No. 2. p. 171 is intended to augment rather meager existing information on Device requiring only TTL integrated circuits and single 5-volt CCD reliability. Study focuses on electrical and optical performance power supply, varies phase shift of digital input over approximate tests, packaging constraints, and failure modes of one com- range of 15 to 165 deg. mercially available device (Fairchild CCD 121 H). B79-10160 679-10014 IMPROVED READER FOR MAGNETICALLY-ENCODED ID GROUP-DELAY STANDARDS CARDS A. W. BEATTY, L. J. DERR, and T. Y. OTOSHI T. T. WU (Caltech) Aug. 1979 Dec. 1979 NPO-13938 Vol. 4, No. 1. 14 p. NPO-13517 Vol. 4, No. 2. p. 172 Delay-line standards have been tested by three independent Hybrid demodulator in electronic card reader for magnetically laboratories using six different methods. Results are published in report showing delay values obtained from 15-. 30-. and encoded identification cards, accommodates variations in insertion 60-ns cables by different laboratories. Study of potential error speeds, yet is simpler and less expensive than equivalent all-digital sources indicates that reflection errors due to discontinuities at circuits. ends of cables are usually small. B79-10161 B79-10154 TRANSDUCER WITH A SENSE OF TOUCH COMPUTATION-SAVING DIGITAL FILTER A. K. BEJCZY (Caltech) and G. PAINE (Caltech) D. J. SOWADA (Honeywell. Inc.) Dec. 1979 Dec. 1979 NPO-14656 Vol. 4, No. 2. p. 173 MSC-18057 Vol. 4. No. 2. p. 167 Matrix of pressure sensors determines shape and pressure Two stage digital low-pass filter circuit that averages input distribution of object in contact with its surface. Output can be over given period and filters average over comparatively slow used to develop pressure map of objects' surface and displayed rate, reduces computation, speed, and word-length require- as array of alphanumeric symbols on video monitor. ments. Applications include data preprocessing before entry to central processor. B79-10162 PHOTOCAPACITIVE INFRARED DETECTOR AND SOLAR 679-10155 CELL IMPROVED SILICON/CARBON INTERFACE FOR SOLAR R. K. CROUCH, W. E. MILLER, J. A. MORIARTY (College of CELLS William and Mary), A. SHEA (College of William and Mary), D. J. ZOOK (Honeywell, Inc.) and Y. H. TSUO (College of William and Mary) Dec. 1979 Dec. 1979 NPO-14421 Vol. 4. No. 2. p. 168 LANGLEY-12345 Vol. 4, No. 2. p. 174 Resistance measurements showing that vitreous graphite Lightly doped semiconductor device, with transparent remains almost wholly intact even after 1 hour of contact with insulating layer based on capacitive response to radiant energy, silicon melt indicates that vitreous carbon may be superior to exhibits excellent sensitivities at room temperature.

01 ELECTRONIC COMPONENTS AND CIRCUITS

879-10163 measurement can be used with cable, microwave radio, or optical OFFSET COMPENSATION FOR A/D CONVERTERS links. S. S. BROKL (Caltech) and W. J. HURD (Caltech) Dec. 1979 B79-10298 NPO-13438 Vol. 4, No. 2. p. 176 LOW-COMMON-MODE DIFFERENTIAL AMPLIFIER Analog-to-digital (A/D) converter eliminates dc offset in final S. MORRISON (Westinghouse Electric Corp.) digitized signal as well as in analog input by using digital feedback Apr. 1980 for compensation. Circuit could prove useful in data processing MSC-18201 Vol. 4. No. 3. p. 323 applications in which analog-format data are entered at high Outputs of differential amplifier are excellently matched in rates, as in point-of-sate data input systems. phase and amplitude over wide range of frequencies. Common mode feedback loop offsets differences between two signal paths. B79-10164 Possible applications of circuit are in Oscilloscopes, integrated IMPROVED-RIPPLE REJECTION IN A PWM Circuit logic tester, and other self contained instruments. C. B. LOFTIS, JR. (Watkins-Johnson Co.) Dec. 1979 B79-10299 MSC-16923 Vol. 4, No. 2, p. 177 BIDIRECTIONAL MANCHESTER REPEATER Line-ripple rejection of pulse-width modulator is more than J. FERGUSON (Rockwell International Corp.) doubled by substituting exponentially increasing ramp voltage Apr. 1980 for conventional linear ramp, yet circuit is simplified. MSC-18414 Vol. 4, No. 3, p. 324 Bidirectional Manchester repeater is inserted at periodic B79-10165 intervals along single bidirectional twisted pair transmission line DEVELOPMENT OF CMOS INTEGRATED CIRCUITS to detect, amplify, and transmit bidirectional Manchester 11 code F. BERTINO (RCA Corp.). A. FELLER (RCA Corp.). J. GR- signals. Requiring only 18 TTL 7400 series IC's, some line receivers EENHOUSE (RCA Corp.). T. LOMBARDI (RCA Corp.). A. and drivers, and handful of passive components, circuit is MERRIAM (RCA Corp.). R. NOTO (RCA Corp.(. S. OZGA (RCA simple and relatively inexpensive to build. Corp,(. R. PRYOR (RCA Corp.). P. RAMONDETTA (RCA Corp.). and A. SMITH (RCA Corp.) B79-10300 Dec. 1979 See also NASA-CR-150801 )N78-78414( SOLID-STATE POWER CONTROLLER M-FS-25121 Vol. 4, No. 2. p. 178 D. A. FOX (Westinghouse Electric Corp.) and J. S. FULLEMANN Report documents life cycles of two custom CMOS integrated (Westinghouse Electric Corp.) circuits: (1) 4-bit multiplexed register with shift left and shift Apr. 1980 right capabilities, and (2) dual 4-bit registers. Cycles described MSC-16661 Vol. 4, No, 3, p. 325 include conception as logic diagrams through design, fabrication, Compact, solid state, electric-power controller switches power testing, and delivery. on and off at remote load, limits current drawn by toad, and shuts off (with 2- to 3- second trip time) in case of short B79-10294 circuit. Lightweight efficient hybrid unit operates at 28 volts dc INDUCTORLESS TUNED CIRCUIT FOR HIGH FREQUEN- and at maximum currents of from 3 to 2 amperes. CIES L. KLEINBERG 879-10301 Apr. 1980 VOLTAGE-CONTROLLED ATTENUATOR WITH LOW PHASE GSFC-12410 Vol. 4, No, 3, p. 319 SHIFT Inductorless tuned Circuit functions as filter, amplifier, or G. F. LUTES, JR. (Caltech) oscillator at radio frequencies. Circuit is based on two directly. Apr. 1980 coupled transistors operated at their transition frequency and NPO-14347 Vol. 4, No. 3, p. 326 fabricated as integrated circuit on single silicon chip. Five megahertz RF (radiofrequency) signal attenuator utilizing RF quadrature hybrid, and optically viable- resistance load B79-10295 controlled by lamp circuit exhibits little phase shift. Circuit is TEMPERATURE CONTROLLER FOR CRYSTAL RESONA- designed to help distribute standard RF signal of controlled TORS amplitude, and phase throughout complex of facilities could be T. R. TURLINGTON (Westinghouse Electric Corp.) useful in application to precision test equipment and communica- Apr. 1980 tion electronics. NPO-14507 Vol. 4. No. 3. p. 320 Controller operates on less than 5W prime power and heats 879-10302 crystal from -10 C to 75 C in less than 45s. Unit is faster and IMPROVED INSULATOR LAYER FOR MIS DEVICES more accurate (to within 0.7 C) than other inexpensive controllers W. E. MILLER and faster and less expensive than very precise controllers in Apr. 1980 vacuum flasks. LANGLEY-12455 Vol. 4, No. 3, p. 327 Insulating layer of supersonic conductor such as LaF sub B79-10296 3 has been shown able to impart improved electrical properties DIRECT-CURRENT DRIVE FOR AC MOTORS to photoconductive detectors and promises to improve other J. N. SOLARIO (Caltech( metal/insulator/semiconductor (MIS) devices. e.g.. MOSFET and Apr. 1980 integrated circuits. NPO-14427 Vol. 4, No, 3. p. 321 Dual windings of ac motor serve as output transformer for 879-10303 dc/ac inversion. Method makes use of low-cost commutatorless MINIMIZING SPIKES IN SWITCHING-REGULATOR ac motors, powered by solar energy, batteries and other dc CIRCUITS sources possible. W. T. MCLYMAN )Caltech) Apr. 1980 879-10297 NPO-14505 Vol. 4, No, 3. p. 328 MEASURING SIGNAL-TO-NOISE RATIO AUTOMATICALLY Circuit, employing tapped inductor to back-bias rectifying L. A. BERGMAN (Caltech) and A. R. JOHNSTON (Caltech) diodes and extra diode to cummutate current, minimizes current Apr. 1980 spikes that cause premature transistor failure in switching-regulator NPO-14582 Vol. 4, No. 3. p. 322 circuits. Automated method of measuring signal-to-noise ratio in digital communication channels is more precise and 100 times faster 879-10304 than previous methods used. Method based on bit-error-rate (B&R) DIGITAL AUTOMATIC GAIN CONTROL 01 ELECTRONIC COMPONENTS AND CIRCUITS

Z. UZDY (Caltech) relieve strain on cables. Utilization of grommets provides more Apr. 1980 ease in cable insertion and removal. Potential applications include NPO-14236 Vol. 4. No. 3. p. 329 wiring in large residential and commercial buildings. Performance analysis, used to evaluated fitness of several Circuits to digital automatic gain control (AGC). indicates that B79-10311 digital integrator employing coherent amplitude detector (CAD) INTERLEAVED SHIELDING FOR CABLES is best device suited for application. Circuit reduces gain error G. R. READ (Rockwell International Corp.( to half that of conventional analog AGC while making it possible Apr. 1980 to automatically modify response of receiver to match incoming MSC-18369 Vol. 4, No. 3. p. 335 signal conditions. Interleaved wrapping of metal foil shielding on power cables gives more effective electromagnetic interference protection B79-10305 without increasing amount of material or weight. SURGE PROTECTION WITH AUTOMATIC RESET R. B. CHAN (Hughes Aircraft Co.) and M. C. SINELLI (Hughes B79-10312 Aircraft Co.) ISOLATOR/RETAINER FOR CONNECTORS Apr. 1980 J. L. ALPENIA (Rockwell International Corp.) and W. F. ELLIS MSC-18356 Vol. 4, No. 3. p. 329 (Rockwell International Corp.) Circuit turns power off automatically when surge occurs and Apr. 1980 restores power when voltage returns to normal. Transmitters MSC-18527 Vol. 4, No, 3. p. 335 and other equipment are protected in electrically noisy environ- Double-ended cap holds mating plugs and receptacle, ments: however, if three transient overvoltages (Or Continuous preventing electrical contact between them when not in use. overvoltage( are sensed within 3.2 seconds, Circuit turns power Cap maintains continuous electrical ground between plug and supply off permanently since serious failure may have occurred. receptacle protecting against electromagnetic-interference pickup. Device is also useful for isolation of sensitive circuits from each B79-10306 other during storage, transit, or testing. BUBBLE-DOMAIN DETECTOR R. L. STERMER and C. D. NICHOLS B79-10313 Apr. 1980 STABLE S-BAND POWER AMPLIFIER LANGLEV-12241 Vol. 4, No. 3. p. 330 C. E. HERMESMEYER (Motorola, Inc.) Bubble domain detector employs transformer coupling for Apr. 1980 data retrieval. Method makes multidetection practical by time NPO-14443 Vol. 4, No, 3. p. 336 multiplexing. Multiplexer matrices can be scaled in 4 by 4. 4 by Relatively linear amplifier with automatic level control (ALC) 8. 4 by 16, or larger combinations without diode steering. preserves modulation characteristics of phase-shift-key (PS K) modulated S-band transmitter. B79-10307 CMOS ANALOG SWITCHES FOR ADAPTIVE FILTERS B79-10314 C. E. DIXON (Motorola, Inc.) LIMITING AMPLIFIER FOR MICROWAVES Apr. 1980 J. N. OWENS (Hughes Aircraft Co.) NPO-14442 Vol. 4, No. 3. p. 332 Apr. 1980 Adaptive active low-pass filters incorporate CMOS (Compli- MSC-18471 Vol. 4, No. 3, p. 337 mentary Metal-Oxide Semiconductor) analog switches (such as Limiting amplifier, using gallium arsenide field effect transistor 4066 switch) that reduce variation in switch resistance when (FET), delivers constant-amplitude drive signal to KU-band filter is switched to any selected transfer function. traveling wave tube (TINT) thus preventing distortion in output from TINT. B79-10308 MEASURING CHARGE NONUNIFORMITY IN MOS DE- B79-1O31 5 VICES MOISTURE PENETRATION IN MICROCIRCUIT PACKAGES J. MASEAJIAN (Caltech) and N. ZAMANI (Caltech( J. J. LICARI (Rockwell International Corp.) and K. L. PERKINS Apr. 1980 (Rockwell International Corp.) NPO-14585 Vol. 4. No. 3. p. 333 Apr. 1980 Convenient method of determining inherent lateral Charge M-FS.25087 Vol. 4, No. 3. p. 338 non-uniformities along silicon dioxide/silicon interface of metal- Results of study of hybrid microcircuit packages tested in oxide-semiconductor (MOS( employs rapid measurement of temperature/ humidity environments ranging from 25 C at capacitance of interface as function of voltage at liquid nitrogen 98 percent relative humidity (RH) to 85 C at 85 percent RH temperature. Charge distribution is extracted by fast-Fourier- shows that package susceptibility to moisture is affected more transform analysis of capacitance voltage (C-V( measurement. by high temperature than humidity, and room temperature tests are inadequate for testing package seal integrity. B79-10309 VARIABLE-CLOCK-RATE AID CONVERTER B79-1O444 P. C. LIPOMA (Lockheed Electronics Co.) VARIABLE-RESOLUTION COUNTER Apr. 1980 J. I. CLEMMONS, JR. MSC-18541 Vol. 4. No. 3. p. 333 Jun. 1980 Analog-to-digital (A/D( converter operates at two different LANGLEY-12530 Vol. 4, No, 4. p.463 rates (slow and fast) so that low amplitude noise is reduced Variable-resolution counter circuit increases time interval that without loss of transient response. During tracking, when n-bit binary counter can measure by using multivalue input clock. sensitivity is important, slow clock reduces noise. In search mode, Circuit allows measurement of time intervals beyond capability when signal may change rapidly, fast clock ensures rapid response. of single n-bit counter while maintaining reasonable resolution. B79-10310 B79.10445 STRAIN RELIEF FOR POWER-CABLE CONNECTORS WINDOW COMPARATOR FOR VOLTAGES W. T. DEAN. III (Rockwell International Corp.) J. M. BLACK Apr. 1980 Jun. 1980 MSC-19497 Vol. 4, No, 3. p. 334 FRC-10090 Vol. 4, No. 4. p. 464 Easily fabricated grommet composed of poly- Circuit determines whether voltage is within preselected range tetrafluoroethylene cylinder. containing U-shaped channels equally of voltage levels. Device requires fewer components than previous spaced around periphery, is used in power cable connectors to window comparators and is less susceptible to errors from

01 ELECTRONIC COMPONENTS AND CIRCUITS

reference drift. Comparator is useful in process-control circuitry, distortion in subsequent circuits. Device also improves current measuring instruments, and checkout equipment. balancing in push/pull transformer Circuits. Resulting circuits are self compensating for temperature. B79-10446 LOW-EMI SOLID-STATE RELAY B79-10453 W. D. MUSKA (United Aircraft Corp.) LOW-COST, LIGHTWEIGHT RF TRANSFER SWITCH Jun. 1980 D. L. OLSSON (TRW. Inc.) MSC-12698 Vol. 4. No. 4. p.465 Jun. 1980 Solid State relay electromagnetic interference (EMI) generated MSC-16907 Vol. 4, No. 4. p.472 when switching ac power to load. Relay could find uses in Low cost miniature DPDT 'half-size-crystal-can' relay serves circuits that are particularly susceptible to electrical noise or as RF transfer switch for 1.0-W S-band signals. Switch can be contain sensitive components. used in miniature communication equipment operations at vhf-to-microwave frequencies. Device presents principal gains over B79-10447 conventional RF switches on space saving, and weight and cost REAL-TIME DIGITAL INTEGRATOR reduction. A. L. RUBIN (Caltech), H. TAYLOR (Caltech). and D. E. WALLIS (Caltech) 879-10454 Jun. 1980 A RELIABLE SOLID-STATE RF TRANSFER SWITCH N00-14530 Vol. 4. No. 4. p.465 R. W. DODD (Watkins-Johnson Co.) Field programmable logic array (FPLA) is used to make 3-bit Jun. 1980 arithmetic logic unit (ALU) for large integrator that can be read MSC-16890 Vol. 4, No. 4. p. 472 and cleared while new data is added to begin new integral. Highly-reliable lightweight solid-state RF (radio frequency) Arrangement of device can provide for full carry/lookahead transfer switch replaces less reliable mechanical switch in handling capability with minimum gate delays. medium power for S-band power amplifier. 879-10448 879-10455 BIASED-RECEIVER DIGITAL INTERFACE SEMICONDUCTOR STEP-STRESS TESTING F.C. FITZGERALD (IBM Corp.) H. B. MEEKS and F. VILLELLA Jun. 1980 Jun. 1980 See also B79-10456 - B79-10475 MSC-14968 Vol. 4, No. 4. p. 466 M-FS-25329 Vol. 4. No. 4. p. 473 Coupling circuits converts TTL signals to higher voltage, higher Report documents behavior of discrete diodes and transistors current logic with good noise rejection. Depending on selected in extensive power and temperature overstress tests. Thirty nine components, circuit may also be adapted to low-power applica- devices were tested in groups designated: (1) power overstress. tions. and (2) and (3) temperature overstress. Results are of interest to users of tested components and engineers in conduction of 879-10449 similar tests. SENSOR/AMPLIFIER FOR WEAK LIGHT SOURCES D.J. DESMET (Univ. of Alabama), A. J. JASON (Univ. of Alabama). 879-10456 and A. C. PARR (Univ. of Alabama) JANTX1N645-1 DIODE Jun. 1980 Innovator not given (Special Products Division of DCA Reliability M-FS-25025 Vol. 4, No. 4. p.467 Lab.) Jun. 1980 See also 879-10455: B79-10457 - B79- Light sensor/amplifier circuit detects weak light converts it 10475 into strong electrical signal in electrically noisy environment. Circuit M-FS-25243 Vol. 4. No. 4, p. 474 is relatively simple and uses inexpensive, readily available Samples manufactured by Semtech were tested. Devices components. Device is useful in such applications as fire detection showed excessive reverse leakage currents during each of three and photographic processing. test phases. Results of testing suggest that failures occurred because of static charge on surface of encapsulant, caused by 879-10450 thermal decomposition of paint. OVERLOAD PROTECTION FOR SWITCHING REGULATORS E.LACHOCHI (RCA Corp.) 879-10457 Jun. 1980 JAN1X1N649-1 DIODE MSC-18513 Vol. 4, No. 4. p. 468 Innovator not given (Special Products Division of DCA Reliability Circuit protects all output lines of switching regulator against Lab.) Jun. 1980 See also B79-10455: B79-10456; B79- overloads without requiring current sensors on every line. If 10458: - B79-10475 overload is sensed, device short circuits bias on switching transistor M-FS-25344 Vol. 4, No. 4. p.474 so that power is rapidly cut off from loads. Circuit also includes Samples manufactured by Semtech and Micro Semiconductor delay network to inhibit erroneous operation during startup. were tested. Both lots did quite well in tests. Plot showing cumulative failure distribution for group 2 was drawn for both 879-10451 lots. Graphs for groups 1 and 3 failures could not be drawn AZIMUTH CORRELATOR DESIGN FOR IC CHIP because of extremely low occurrence. V. C. TYREE (Caltech) and C. WU (Caltech) Jun. 1980 B79-10458 NPO-14614 Vol. 4. No. 4. p. 469 JANTX/N746A DIODE Azimuth correlator Circuit synthetic-aperature radar (SAR) is Innovator not given (Special Products Division of DCA Reliability designed for single integrated circuit (IC) chip. Azimuth correlator Lab.) Jun. 1980 See also B79-10455 - B79-10457: B79- modules constructed with sets of such chips could make real-time 10459 - B79-10475 signal processing possible. Primary advantages are realized in M-FS-25245 Vol. 4. No. 4. p. 474 areas of weight and power requirement reductions. Samples manufactured by Siemens and Motorola were tested. Both lots did well in groups 1 and 3 testing. Failure analysis 879-10452 was done for group 2 tests because of excessive reverse-leakage- RISE-TIME CONTROL IN SATURATED AMPLIFIERS current failure mode. C. E. THEALL (The Singer Co.) Jun. 1980 879-10459 MSC 14934 Vol. 4. No. 4. p. 470 JANTX/4159A VOLTAGE REGULATING DIODE Inductor in transistor emitter circuit controls output rise time Innovator ioi given (Special Products Div. of DCA Reliability of saturated amplifier thereby reducing radiated noise and Lab.) Juni98O See also B79-10455 - B79-10458: B79-

01 ELECTRONIC COMPONENTS AND CIRCUITS

10460 - 879-10475 Lab.) Jun. 1980 See also B79-10455 - 879-10465; 879- M-FS-25246 Vol. 4, No. 4. p. 475 10467 - B79-10475 Diodes manufactured by Texas Instruments and Siemens M-FS.25270 Vol. 4. No. 4. p. 476 performed well in group 1 testing. Failure analysis shows that Tested diodes were manufactured by Semtech and Micro group 2 testing is most detrimental to both sample tots. Same Semiconductor. Micro Semiconductor diodes experienced no failure mode of excessive l(sub) A leakage can be clearly seen failures in groups 2 and 3 testing and only four failures in in group 3 testing. group 1. 679-10460 879-10467 JANTX/N937B ZENER DIODE JAN1X1N5417 DIODE Innovator not given (Special products Division of DCA Reliability Innovator not given (Special Products Division of DCA Reliability Lab.) Jun. 1980 See also B79-10455 - B79-10459; B79- Lab.) Jun. 1980 See also 879-10455 - -879-10466; 879- 10461 - B79-10475 10468 - B79-10475 M-FS-15247 Vol. 4, No. 4. p.475 M-FS-25271 Vol. 4. No. 4. p. 476 Zener diodes manufactured by Motorola and Siemens were Tested diodes were manufactured by Micro Semiconductor tested. Apparent failure mode in all three groups was B (sub) V and Semtech. Significant damage occurred Only in group 1 testing. (Zener-breakdown-voltage) minimum failure. Both manufacturers had approximately same amount of failure in each testing. 679-10468 JANTX1N5420 DIODE 679-10461 Innovator not given (Special Products Division of DCA Reliability JANTh/N972B ZENER DIODE Lab.) Jun. 1980 See also 879-10455 - B79-10467; 879- Innovator not given (Special Products Division of DCA Reliability 10469 - 879-10475 Lab.) Jun. 1980 See also B79-10455 - 879-10460; 879- M-FS-25272 Vol. 4. No. 4. p. 476 10462 - 879-10475 Testing of sample lots from Unitrode and Micro Semiconductor M-FS-25248 Vol. 4. No. 4. p. 475 had to be stopped in group 1 test because 50% failure rate Tested Zeners were manufactured by Siemens and Motorola. limit was reached. Failure analysis was performed only for group Devices tested in groups 1 and 2 did quite well. Notable damage 2 testing because of apparent failure mode. to both manufacturer lots occurred in group 2 testing. 679-10469 B79-10462 JANIX1N5550 SWITCHING DIODE JANTX/N98B ZENER DIODE Innovator not given (Special Products Division of DCA Reliability Innovator not given (Special Products Division of DCA Reliability Lab.) Jun. 1980 See also B79-10455 - B79-10468; 879- Lab.) Jun. 1980 . See also B79-10455 - 879-10461; 879- 10470 - 879-10475 10463 - 879-10475 M-FS-25273 Vol. 4, No. 4. p.476 M-FS-25249 Vol. 4, No. 4. p. 475 Tested devices were manufactured by Semtech and Micro Tested diodes were manufactured by Motorola and Siemens. Semiconductor. Failure rate of Semtech diodes exceeded 50% Both sample lots performed well in groups 1 and 3 testing. in all three test groups. Failure mode could not be precisely Group 2 testing was most detrimental of three groups. Extreme determined. heat was big factor in failure mode. 679-10470 B79-10463 JANTX1N5552 SWITCHING DIODE JANTX/N1202A SWITCHING DIODE Innovator not given (Special Products Division of DCA Reliability Innovator not given (Special Products Division of DCA Reliability Lab.) Jun. 1980 See also 879-10455 - 879-10469; 879- Lab.) Jun. 1980 See also B79-10455 - B79-10462; 879- 10471 - 879-10475 10464 - 879-10475 M-FS.25274 Vol. 4, No. 4. p.477 M-FS-25250 Vol. 4. No. 4. p. 475 Switching diodes manufactured by Micro Semiconductor and General Electric and International Rectifier switching diodes Semtech were tested. In groups 2 and 3 there were no Micro were tested. Group 2 testing proved to be most damaging to Semiconductor catastrophic failures. Testing of both lots was both lots. In group 2 testing many visual failures were seen in stopped in group 1 test because of 50% failure rate. samples from both manufacturers. B79-10471 679.10464 JANTX1N5554 SWITCHING DIODE JANTX1N3893 DIODE Innovator not given (Special Products Division of DCA Reliability Innovator not given (Special Products Division of DCA Reliability Lab.) Jun, 1980 See also 879-10455 - 879-10470; B79- Lab. Jun. 1980 See also 879-10455 - 879-10463; 879- 10472 - 879-10475 10465 - 879-10475 M-FS-25275 Vol. 4, No. 4. p.477 M-FS-25266 Vol. 4, No. 4. p.476 Micro Semiconductor and Semtech diodes were tested. In Diodes manufactured by Siemens and Motorola were tested. group 1 tests Micro Semiconductor and Semtech lot testing Testing of Motorola diodes was stopped in all 3 groups because was stopped because of excess failure rate. Failure analysis was 50% failure-rate limit was reached. Siemens lot endured more performed on groups 1 and 3 because of apparent failure mode. testing in groups 1 and 2 and completed testing on group 3. Failure analysis was performed for group 2 testing. 679-10472 JANTX1N5614 SWITCHING SIODE 679-10465 Innovator not given (Special Products Division of DCA Reliability JANTX1N4570A ZENER DIODE Lab.( Jun. 1980 See also 879-10455 - 879-10471; B79- Innovator not given (Special Products Division of DCA Reliability 10473 - B79-10475 Lab.) Jun. 1980 See also 879-10455 - 879-10464; B79- M-FS-25276 Vol. 4, No. 4. p.477 10466 - B79-10475 Diode manufactured by Micro Semiconductor and Semtech M-FS-25268 Vol. 4. No. 4. p. 476 were tested. Main failure mode was surface inversions caused Siemens and Motorola diodes were tested. Of three stress by leakage of contaminants through cracks in glass. Most failures groups, group 2 prove to be most detrimental to both sample in groups 2 and 3 were visual. lots. 679-10473 679-10466 JANTX1N5615 SWITCHING DIODE JANTX1N5415 DIODE Innovator not given (Special Products Division of DCA Reliability Innovator not given (Special Products Division of DCA Reliability Lab.) Jun. 1980 See also 879-10455 - B79-10472; B79-

02 ELECTRONIC SYSTEMS

10474 - B79-10475 R. ESKENAZI. M. J. RAYFIELD. and Y. YAKIMOVSKY M-FS-25277 Vol. 4, No. 4, p. 477 Aug. 1979 Diodes manufactured by Semtech and Micro Semiconductor NPO-14282 Vol. 4. No. 1, p. 20 were tested. Both sample lots exceeded 50% fail-rate in all groups. Digitizer and storage system allow rapid random access to Failure analysis was performed for groups 2 and 3. video data by computer. RAPID (random-access picture digitizer) uses two commercially-available, charge-injection, solid-state TV B79-10474 cameras as sensors. It can continuously update its memory with JANTX1N5618 SWITCHING DIODE each frame of video signal, or it can-hold given frame in memory. Innovator not given (Special Products Division of DCA Reliability In either mode, it generates composite video output signal Lab.) Jun. 1980 See also B79-10455 - B79-10473: B79- representing digitized image in memory. 10475 M-FS-25278 Vol. 4, No. 4, p. 478 B79-10019 Diodes tested were manufactured by Semtech and Micro ELIMINATING CLUTTER IN SYNTHETIC-APERTURE Semiconductor. Semtech sample lots completed all three testings RADAR with only one catastrophic failure. All three Micro Semiconductor A. JAIN lots had several failure that were submitted for failure analysis. Aug. 1979 NPO-14035 Vol. 4, No. 1. p. 21 B79-10475 Diffusion technique reduces clutter noise in coherent SAR JANTX1N5619 DIODE (synthetic-aperture radar) image signal without degrading its Innovator not given (Special Products Division of DCA Reliability resolution. Technique makes radar-mapped terrain features more Lab.) Jun. 1980 See also B79-10455 - B79-10474 obvious. It also has potential application in holographic microscopy. M-FS-25279 Vol. 4, No. 4, p. 478 Tested diodes were manufactured by Semtech and Micro B79-10020 Semiconductor. Failures were experienced in groups 1 and 2 AZIMUTH CORRELATOR FOR SYNTHETIC APERTURE testing. RADAR W. E. ARENS Aug. 1979 NPO-14019 Vol. 4, No, 1. p. 22 Azimuth correlation simulates large antenna aperture. It uses ELECTRONIC SYSTEMS charge-coupled-device (CCD) technology to simplify complex, 02 digital, signal-improvement process. In aircraft or spacecraft, correlator processes images onboard and in real time to simplify transmission to ground stations. B79-10015 B79-10021 ELECTRONIC PICTURES FROM CHARGED-COUPLED SIGNAL SEPARATOR FOR DUAL-FREQUENCY ANTENNA DEVICES A. W. HARTOP D. H. MCCANN (Westinghouse Electric Corp.). A. P. TURLY Aug. 1979 (Westinghouse Electric Corp.). and M. WHITE (Westinghouse NPO-14022 Vol. 4, No. 1, p. 23 Electric Corp.) Replacement for dichroic plate reduces noise. Besides being Aug. 1979 easier to install, flange is less expensive to fabricate. Most GSFC-12324 Vol. 4, No. 1. p. 17 important, the flange reduces antenna contribution to system Imaging system uses charge-coupled devices (CCD's) to noise: whereas, dichroic plate increases noise temperature by generate TV-like pictures with high resolution, sensitivity, and 2 or 3 degrees. signal-to-noise ratio. It combines detectors for five spectral bands as well as processing and control circuitry all on single silicon B79-10022 chip. COMPONENTS FOR AN S-BAND COMMUNICATION SUBSYSTEM B79.10016 C. W. ROOK (Motorola, Inc.) IMPROVING LOW-ILLUMINATION VIDEO Aug. 1979 R. L SAPIRSTEIN (Lockheed Missiles & Space Co.. Inc.) NPO-13955 Vol. 4. No. 1, p. 24 Aug. 1979 S-band communication components include low-pass filter, MSC-14841 Vol. 4, No. 1. p. 18 diplexer, and transmit output filter, which prevent radiation or Nonmoving TV pictures are improved by electronic system coupling of unwanted transmitter spurious outputs and to that removes much of the 'snow' or random noise in image. provide isolation while transmitter and receiver operate simulta- System integrates and averages picture elements in real time neously. and thereby allows easier and more accurate evaluation of image, visually and by computer. B79-10023 LED DISPLAY FOR SOLO AIRCRAFT INSTRUMENT B79-10017 NAVIGATION TV AUDIO AND VIDEO ON THE SAME CHANNEL R. K. CROUCH, W. L KELLY. Vi, L J. LINA. and B. D. MEREDITH J. B. HOPKINS (Westinghouse Electric Corp.) Aug. 1979 Aug. 1979 LANGLEY-12292 Vol. 4, No, 1, p. 26 MSC-16241 Vol. 4. No, 1. p. 19 Solo pilot's task is made easier through convenient display Transmitting technique adds audio to video signal during of landing and navigation data. Use of display shows promise vertical blanking interval. SlVI (signal in the vertical interval) is as more efficient means of presenting sequential instructions used by 1'V networks and stations to transmit cuing and and data, such as course heading, altitude, and radio frequency, automatic-switching tone signals to augment automatic and to minimize pilot's workload during solo instrument flight. manual operations. It can also be used to transmit one-way instructional information, such as bulletin alerts, program changes. 879-10024 and commercial-cutaway aural cues from the networks to affiliates. CABLE-FAULT LOCATOR Additonally. it can be used as extra sound channel for second- R. L CASON. J. J. MCSTAY. and A. P. HEYMANN. SR . (Planning language transmission to bilingual stations. Research Corp.) Aug. 1979 B79-10018 KSC-10899 Vol. 4, No, 1. p. 27 REAL-TIME VIDEO-IMAGE ANALYSIS Inexpensive system automatically indicates location of 02 ELECTRONIC SYSTEMS short-circuited section of power cable. Monitor does not require 879-10031 that cable be disconnected from its power source or that test FADER AND RAMP SHAPER REPLACE LINEAR FILTERS signals be applied. Instead, ground-current sensors are installed T. A. ROBINSON (Honeywell, Inc.) in manholes or at other selected locations along cable run. When Aug. 1979 fault occurs, sensors transmit information about fault location to MSC-16115 Vol. 4, No. 1. p. 34 control center. Repair crew can be sent to location and cable Digital 'fader' or 'ramp shaper' circuits replace linear filters can be returned to service with minimum of downtime. in suppressing switching transients and instabilities within servocontrol systems. Circuits can be optimized to introduce no B79-10025 attenuation, transport delay, or phase lags in new output signal. CLOUD-TO-GROUND LIGHTNING DETECTOR C. L. LENNON B79.10032 Aug. 1979 OPTICAL MEMORIES IN DIGITAL COMPUTING KSC-1 1099 Vol. 4, No. 1, p. 28 C. 0. ALFORD (Georgia Institute of Technology) and T. K. Device senses electric-field changes and hf radiation to GAYLORD (Georgia Institute of Technology) distinguish cloud-to-ground flashes from cloud-to-cloud flashes. Aug. 1979 M-FS-23897 Vol. 4. No. 1. p. 35 879-10026 High capacity optical memories with relatively-high data- RELIABLE INVERTER SYSTEMS transfer rate and multiport simultaneous access capability may S. NAGANO serve as basis for new computer architectures. Several compu- Aug. 1979 ter structures that might profitably use memories are: a) NPO-14163 Vol. 4, No. 1. p. 29 simultaneous record-access system, b( simultaneously-shared Base driver with common-load-current feedback protects memory computer system, and c) parallel digital processing paralleled inverter systems from open or short circuits. Circuit structure. eliminates total system oscillation that can occur in conventional inverters because of open circuit in primary transformer B79-10166 winding. Common feedback signal produced by functioning TELETYPE TEST UNIT modules forces operating frequency of failed module to coincide R. H. COUCH and H. C. BEALL (Research Triangle Inst.) with clock drive so module resumes normal operating frequency Dec. 1979 in spite of open circuit. LANG LEY-12527 Vol. 4, No, 2. p. 181 Device may be used to facilitate testing and fault isolation B79-10027 in teletype and modem systems that are used for communication MONITORING DISASTER AREAS VIA SATELLITES by people who having hearing disabilities. Unit uses CMOS digital W. E. SIVERTSON, JR. integrated circuitry which may be operated from relatively Aug. 1979 inexpensive battery of any voltage from 3 to 18 volts. LANGLEY-12344 Vol. 4. No. 1. p. 30 Easily-displayed low-cost radar targets signal distress to 879-10167 orbiting satellites. Effective medical and evacuation efforts can LIMITED SCAN DUAL-BAND HIGH-GAIN ANTENNA be carried Out successfully around globe due to this early warning. P. W. CRAMER. JR. (Caltech) and K. E. WOO (Caltech) Another application is to measure rainfall, surface runoff, Dec. 1979 evaporation, and soil moisture. NPO-14038 Vol. 4. No. 2. p. 182 Dual band communication and tracking antenna concept B79-10028 combines 5- and X-band high gain performance in near field SIMPLER CABLING AND POWER LINK FOR REMOTE cassagrainian configuration. Design incorporating subreflector in READOUTS near field of feed permits limited electronic scanning with phased J. C. PERRY array feed of approximately subreflector size placed in region Aug. 1979 between subreflector and main reflector. GSFC-12411 Vol. 4, No. 1. p. 30 Display power and segment data are multiplexed over same B79-10168 coaxial line. Thus, only one wire and return lead are needed, DUAL HYBRID MODE FEED HORN and single power supply at central location can service all D.A. BATHKER (Caltech) and R. F. THOMAS (Caltech) remote displays. Dec. 1979 NPO-13594 Vol. 4. No. 2. p. 183 879-10029 Antenna feed horn is combination of corrugated, round, and A CLOSED-LOOP CONTROL-LOADING SYSTEM tapered waveguide configurations that are dimensioned to excite B. R. ASHWORTH and R. V. PARRISH He sub 11 and He sub 12 modes to illuminate reflector antenna Aug. 1979 See also NASA-TN-D-8371(N77-16020) more uniformly than antenna horns excited only in He sub 11 LANGLEY-12167 Vol. 4. No. 1, p. 32 mode. Horn is adaptable to both symmetrical and asymmetrical Langley Differential Maneuvering Simulator (DMS) realistically Cassagrainian antennas. simulates two aircraft operating in differential mode. It Consists of two identical fixed-base cockpits and dome projection B79-10169 systems. Each projection system consists of sky/Earth projector WIDE-BEAM FLUSH-MOUNTED ANTENNA and target-image generator and projector. Although programmable H. ELLIS. JR. (Rockwell Intern. Corp.) control forces are small part of overall system, they play large Dec. 1979 role in providing pilot with kinesthetic cues. MSC-16800 Vol. 4, No, 2. p. 184 Compact six-element S-band phased-array antenna produces B79-10030 exceptionally broad, circularly polarized beam and wide bandwidth. A TELEPHONE MULTILINE SIGNALING SYSTEM Suitable for flush mounting, antenna may be useful in high altitude P. C. TOOLE, J. L. BELT (Planning Research Corp.). R. G000LOE aircraft, communication satellites, and ground-based moving (Planning Research Corp.), and D. B. LEINIGER (Planning Research vehicles. Corp.) Aug. 1979 B79-10170 KSC-11023 Vol. 4, No, 1, p. 33 HIGHER GAIN FOR FEEDBACK CONTROL SUBJECT TO Telephone system interconnects users of from one to eight VIBRATIONS telephone lines in network. System is useful in coordinating J. F. GARREN, JR. and F. R. NIESSEN activities in large plants and installations. It permits spontan- Dec. 1979 See also NASA-TM-X-74004 (N77.17103) eous conferences. paging, and monitoring from key locations, LANGLEY-12215 Vol. 4, No, 2. p. 185

02 ELECTRONIC SYSTEMS

Complementary filtering and simple electronic model greatly Apr. 1980 increase amount of useful gain achievable in feedback control ARC-10984 Vol. 4, No. 3. p. 341 system subjected to environmental vibration. Technique has Video compression circuit divides picture into elements increased useful gain from 2 to 4 and increased bandwidth from transmitted at reduced data rate. By sampling elements along less than 0.5 Hz to over 1 Hz. diagonals in N-by-N picture blocks, system gives picture quality comparable to that of standard television and superior to most 879-10171 pseudorandom sampling schemes. FAULT-TOLERANT COMPUTER SYSTEM A. A. AVIZIENIS (Caltech), D. A. RENNELS (Caltech), and M. 679-10317 ERCEGOVAC (Caltech) ANALOG ACTUATOR-PISTON MEMORY Dec. 1979 B. A. SABLE (United Technologies Corp.) NPO-14562 Vol. 4. No. 2. p. 186 Apr. 1980 More reliable computers could be assembled by connecting MSC-12697 Vol. 4, No. 3. p. 342 four proposed VSLI building block circuits with built-in error Simple analog control system of digitally controlled acuator detection to standard microprocessors and memory devices to uses stopped position of actuator as memory and potentiometer form self checking computer module. Each building block detects as sensing element during power failure to reload drive circuit its own malfunctions and single bit errors found in memory. to value equal to its last position preceding power loss. 879-10172 MAXIMUM-LIKELIHOOD DATA DECODER B79-10318 M. E. ALBERDA (Caltech) MICROPROCESSOR-CONTROLLED RECEIVER Dec. 1979 T. L. GRANT and V. MATSUMOTO Apr. 1980 NPO-13574 Vol. 4, No. 2. p. 188 Digital convolutional decoder circuit for data communication ARC-11275 Vol. 4, No. 3. p. 342 receiver employs Viterbi decoding algorithm to quickly and Microprocessor and radio receiver are combined in low-cost, efficiently decode data on basis of 'maximum likelihood' computa- high performance, data communications receiver. Hybrid receiver tions. automatically acquires and tracks UHF channels despite low signal-to-noise ratios, fading signal strengths, and high Doppler B79-10173 offset. It also performs digital bit synchronization, which has MICROPROCESSOR-BASED INTERFACE FOR OCEANOG- traditionally required separate unit. RAPHY G. A. HANSEN (Caltech) 879-10319 Dec. 1979 CENTERING IMAGES IN SPLIT-SCREEN TV DISPLAY NPO-14566 Vol. 4, No. 2. p. 189 J. B. HOPKINS (Westinghouse Elec. Corp.) Ocean floor imaging system incorporates five identical Apr. 1980 microprocessor-based interface units, each assigned to specific MSC-18399 Vol. 4. No, 3. p. 343 sonar instrument to simplify system. Central control module based Circuit for creating 'split screen' television pictures allows on same microprocessor eliminates need for custom tailoring operator to select any portion of each image to be displayed hardware interfaces for each instrument. without moving cameras.

B79-10174 879-10320 GUIDANCE SYSTEM FOR A ROVING VEHICLE ALL-DIGITAL QPSK MODULATOR J. A. MILLER )Caltech) A. W. BURGESS (Hughes Aircraft Co.) and R. L. JULIAN (Hughes Dec. 1979 See also B78-10026 Aircraft Co.) NPO-14376 Vol. 4, No. 2. p. 190 Apr. 1980 Computer controlled guidance system for semiautonomous MSC-16922 Vol. 4. No. 3. p. 344 robot guides robot in incompletely defined environment. System Circuit consisting of only four components (2 IC Chips and operates in real time avoiding obstacles detected by 'stereo 2 time delay devices) modulates RIP signal with 2 asynchronous television and laser range finder eyes.' digital data signals. Digital modulator is virtually free of amplitude modulation, is not subject to temperature effects from other B79-10175 components, dissipates less power, and is far simpler than its MULTIPLE-CAMERA AUTOMATIC CONTROLLER analog predecessors. E. T. BLOAM Dec. 1979 LEWIS-12711 Vol. 4. No. 2. p. 192 B79-1O321 Device automatically controls exposure time and frame LOW-PROFILE COMMUNICATIONS ANTENNA sequencing for three remotely located cameras used for I. P. VU (Lockheed Electronics Co.) photographing interior of internal-combustion chamber through Apr. 1980 Special viewing ports. Controller is highly applicable in many MSC-16683 Vol. 4. No, 3. p. 345 areas where closely monitored remote photography is required. Low profile antenna constructed using microstrip techniques are used for elliptical or circularly polarized signals. Operating B79-10176 range is determined by thickness of dielectric layer and size of NAVIGATION-AID POWER SYSTEMS antenna element. Compact size and shape along with other G.L. GOLTZ )Caltech). L M. KAISER (Caltech), and H. WEINER desirable features may make antenna useful for communication (Caltech) on trains and other road vehicles. Dec. 1979 NPO-14466 Vol. 4, No. 2. p. 193 B79-1O322 Design synthesis and performance analysis (DSPA) program DUAL-FREQUENCY MICROWAVE ANTENNA package is collection of subroutines used for computation of D. A. BATHKER )Caltech), S. A. BRUNSTEIN (Caltech), A. C. design and performance characteristics of viable solar-array- LUDWIG (Caltech), and P. D. POTTER (Caltech) charged battery powered system for flashing-lamp buoys employed Apr. 1980 See also 879-10021: B79-10002 as maritime aids to navigation. NPO-13091 Vol. 4, No. 3. p. 346 Single antenna using two feed horns (one for receiving and 879-10316 radiation X-band signals, and one for S-band signals), in VIDEO-COMPRESSION SCHEME Conjunction with ellipsoid reflector and diChronic plate, can H. LUM. JR. and V. MATSUMOTO accommodate two different frequencies simultaneously.

02 ELECTRONIC SYSTEMS

B79-10323 PHYSICAL SCIENCES INTERFEROMETER ANTENNA-ARRAY SYSTEM 03 J. A. KAISER. JR. Apr. 1980 GSFC-12365 Vol. 4, No. 3. p. 346 System immune from interference locates signals in space B79-10033 without ambiguity. Signals from each antenna element are SOLAR-POWERED PUMP processed through three different mixing stages. Innovator not given (Calmac Manufacturing Co.) Aug. 1979 M-FS-23996 Vol. 4. No. 1. p. 39 Collector pump of solar-heating systems is powered by B79-10324 concentrating solar collector separate from main collector. Solar LOCK DETECTOR FOR NOISE-CODED SIGNALS driven pump eliminates need for electrical supplies to integral L. M. CARSON (Motorola, Inc.) components. Apr. 1980 NPO-14435 Vol. 4, No. 3. p. 348 879-10034 Circuit indicates when receiver is locked on pseudorandom- TRANSPARENT SOLAR CELL MODULE noise-coded signal. Circuit is used for reception of such digitally G. J. ANTONIDES (Lockheed Missiles and Space Co.). P. A. coded signals as scrambled voice messages or scrambled video. DILLARD (Lockheed Missiles and Space Co.). W. M. FRITZ Circuit determines when receiver generated code is correct and (Lockheed Missiles and Space Co.). and D. P. LOU (Lockheed synchronized with incoming signal so that receiver can track Missiles and Space Co.) signal. Aug. 1979 NPO-14304 Vol. 4. No. 1. p. 40 Modified solar cell module uses high transmission glass and B79-10476 adhesives, and heat dissipation to boost power per Unit area by VARIABLE-RESOLUTION FACSIMILE SYSTEM 25% (9.84% efficiency based on cell area at 60 C and 100 mW/sq P. C. LIPOMA (Lockheed Electronics Co., Inc.) cm flux). Design is suited for automatic production and is Jun. 1980 potentially more cost effective. MSC-18516 Vol. 4, No. 4. p. 481 Variable-element scanner in facsimile transmission system B79-10035 allows adjustment of resolution as dictated by document SOLAR POWER CONDITIONER requirement. Device reduces transmission time when high L. JAN, N. JOHNSON, S. LINDENA, W. T. MCLYMAN, and J. resolution is not needed. N. SOLARIO Aug. 1979 NPO. 14356 Vol. 4, No. 1. p. 41 879-10477 Efficient power-conditioning circuit designed to utilize CONSERVING POWER IN COMPUTER MEMORIES maximum power available from solar cell array, controls output Innovator not given (Honeywell. Inc.) Jun. 1980 of array so that excess energy not needed by load is diverted LANGLEY-11952 Vol. 4, No. 4. p. 482 to charge batteries for reserve power when sufficient sunlight is Power control system for electronic memories saves energy not available. by switching off power to portions of memories that are not in use. Although power-Off period lasts only a few microseconds B79-10036 or milliseconds, it amounts to sizable part of overall read/write SUN TRACKER FOR CLEAR OR CLOUDY WEATHER cycle timer: large energy savings can be realized. D. R. SCOTT and P. R. WHITE Aug. 1979 See also NPO-13652 (B78-10186) M-FS-23999 Vol. 4. No. 1. p. 42 B79-1O478 Sun tracker orients solar collector so that they absorb DIGITAL GENERATION OF COMMAND-ENCODER WAVE- maximum possible sunlight without being fooled by bright clouds, FORMS holes in cloud cover, or other atmospheric conditions. Tracker W. S. ATARAS (General Electric Co.) follows sun within 0.25 deg arc and is accurate within -4- or - Jun. 1980 5 deg when sun is hidden. GSFC-12203 Vol. 4, No. 4. p. 482 Command encoder for command data system produces B79-10037 sinusoidal signals by purely digital means. ASSEMBLING SOLAR-CELL ARRAYS J. T. BLOCH )Boeing Co.(. R. T. HANGER (Boeing Co.). and F. W. NICHOLS )Boeing Co.) 879-10479 Aug. 1979 BINARY SYNCHRONOUS SIMULATOR NPO-14416 Vol. 4. No. 1. p. 43 J. R. ROGERS. Ill Modified 70 mm movie film editor automtically attaches Jun. 1980 solar cells to flexible film substrate. Machine can rapidly and KSC-11096 Vol. 4. No. 4. p. 483 inexpensively assemble cells for solar panels at rate of 250 cells Flexible simulator for trouble-shooting data transmission per minute. Further development is expected to boost production system uses binary synchronous communications protocol to rate to 1000 cells per minute. produce error-free transmission of data between two points. Protocol may be used to replace display generator or be directly B79-10038 fed to display generator. VARIABLE-SHAPE SOLAR-ENERGY CONCENTRATOR C. G. MILLER )California Polytechnic State Univ. of San Luis B79-10480 Obispo, Calif.) and J. H. PHOL (California Polytechnic State Univ. SWITCHING REDUCES COMPUTER POWER REQUIRE- of San Luis Obispo, Calif.) MENT Aug. 1979 Innovator not given (Honeywell. Inc.) Jun. 1980 NPO-13736 Vol. 4. No. 1. p. 43 LANGLEY-11958 Vol. 4, No. 4. p. 484 Proposed low cost three dimensional tracking solar concentra- Network of power switches activates only selected UI circuits tor fabricated from lightweight, flexible polymeric film membrane necessary for that particular time interval. Power that was fed is controlled in shape by differential pressure loading. Fine to inactive circuits and dissipated is no longer applied. Because adjustments to shape could be made by mounting electrets or of this, system can use much higher, smaller power source. magnets on membrane or applying electric or magnetic field.

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879-10039 J. B. BRECKINRIDGE ALL-ELECTRIC GAS DETECTOR Aug. 1979 J. S. MARGOLIS NPO-14502 Vol. 4. No. 1. p. 51 Aug. 1979 Fully tilt compensated double-pass chevron beam splitter. NPO-14341 Vol. 4, No. 1. p. 45 that removes channelling effects and permits optical phase tuning. Modified optoacoustic gas detector identifies gases by is wavelength independent and allows small errors in alignment measuring pressure-induced voltage charge in electric signals. It that are not tolerated in Michelson. Machzender. or Sagnac can detect water vapor, atmospheric fluorocarbons, or certain interferometers. Device is very useful in experiments where nitrous or nitric compounds that indicate presence of explosives. background vibration affects conventional interferometers. B79-10040 679-10047 LOW-NOISE SPECTROPHONE OPTICAL SYSTEM FOR MULTISPECTRAL SCANNER M. J. KAVAYA and J. S. MARGOLIS A. C. STOKES and N. G. KOCH (Lockheed Electronics Co.) Aug. 1979 Aug. 1979 NPO-14362 Vol. 4, No. 1. p. 46 MSC-18255 Vol. 4. No. 1. p. 52 Spectrophone, using continuous laser beam, operates at lower Optical system designed for scanning eight spectra bands noise levels and thus detects trace amounts of gases with greater simultaneously from aircraft at variety of speeds and altitudes is sensitivity. compact, easy to align, and reliable. System efficiently and effectively circumvents many problems associated with previous 879-10041 systems. IMPROVED COAL-SLURRY PIPELINE W. L. DOWLER 679-10048 Aug. 1979 MARINE CHLOROPHYLL A ANALYSIS NPO-14425 Vol. 4, No. 1. p. 47 R. W. JOHNSON High strength steel pipeline carries hot mixture of powdered Aug. 1979 See also NASA-TP-1021 (N78-13628) coal and coal derived oil to electric-power-generating station. LANGLEY-12293 Vol. 4, No. 1. p. 54 Slurry is processed along way to remove sulfur, ash, and nitrogen Quantitative distribution maps of chlorophyll a and other and to recycle part of oil. System eliminates hazards and limitations important environmental parameters of coastal zones are prepared associated with anticipated coal/water-slurry pipelines. by regression analysis of sea-truth data and data collected by aircraft multispectral scanners. B79-10042 FUEL GAS FROM BIODIGESTION B79-10049 R. C. MCDONALD (National Space Tech. Laboratory) and B. C. PRODUCTION OF LARGE-AREA ELECTRETS WOLVERTON (National Space Tech. Laboratory) P. K. C. PILLAI, E. SHIVERS, and 0. WEAVER Aug. 1979 Aug. 1979 M-FS-23957 Vol. 4, No. 1. p. 48 M-FS-23186 Vol. 4, No. 1. p. 55 Biodigestion apparatus produces fuel gas (primarily methane) Charge injection techniques are used in two methods of for domestic consumption, by anaerobic bacterial digestion of producing low cost homocharged electrets. organic matter such as aquatic vegetation. System includes 3.786-1 cylindrical container, mechanical agitator, and simple B79-10050 safe gas collector for short term storage. THEORY OF BACK-SURFACE-FIELD SOLAR CELLS 0. VONROOS B79-10043 Aug. 1979 OPTICALLY COUPLING TUNABLE DIODE LASERS NPO-14451 Vol. 4, No. 1. p. 57 D. M. ROBINSON and C. W. ROWLAND Report describes simple concise theory of back-surface-field Aug. 1979 (8SF) solar cells (npp + junctions) based on Shockley's LANGLEY-12438 Vol. 4. No. 1. p. 49 depletion-layer approximation and cites superiority of two-junction Proposed optical coupling, using lenses and mirrors that devices over conventional unijunction cells. replace complex mechanical systems, can combine separate tunable diode laser outputs and expand wavelength range. Method B79-10051 uses single cooler housing and requires no moving parts within RANKINE-CYCLE SOLAR-COOLING SYSTEMS cooler assembly. H. M. WEATHERS Aug. 1979 B79-100" M-FS-25094 Vol. 4. No. 1. p. 57 IMPROVED FLIGHT-SIMULATOR VIEWING LENS Report reviews progress made by three contractors to Marshall W. M. KAHLBAUM Space Flight Center and Department of Energy in developing Aug. 1979 See also NASA-TP . 1066 (N78-12829) Rankine-cycle machines for solar cooling and testing of com- LANGLEY-12251 Vol. 4, No. 1. p. 50 mercially available equipment involved. Triplet lens system uses two acrylic plastic double convex lenses and one polystyrene plastic single convex lens to reduce B79-10052 chromatic distortion and lateral aberation. especially at large RANKINE-CYCLE HEATING AND COOLING SYSTEMS field angles within in-line systems of flight simulators. Innovator not given (AiResearch Manufacturing Co.) Aug. 1979 B79-10045 M-FS-23998 Vol. 4. No. 1. p. 58 PROJECTION OPTICS FOR A LASER VELOCIMETER Design for domestic or commercial solar heating and cooling D. B. RHODES system based on Rankine heat pump cycle includes detailed Aug. 1979 drawings, performance data, equipment specifications, and other LANG LEY-12328 Vol. 4, No. 1. p. 51 pertinent information. Projection optics for laser velocimeter (LV) scans constant focal volume over entire focus-position range. Optics thus simplify 879-10053 LV measurements over large flow fields (such as those encountered DESIGN INFORMATION FOR SOLAR-HEATING SYSTEMS in wind tunnels) by eliminating calibrations required when focal Innovator not given (Colt. Inc.) Aug. 1979 volume varies with position. M-FS-25097 Vol. 4, No. 1. p. 58 Report contains preliminary design information for two B79-10046 solar-heating and hot water systems presently under development. A CHEVRON BEAM-SPLI'fl'ER INTERFEROMETER Information includes quality control data, special tooling specifica-

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tiOns. hazard analysis, and preliminary training program for and incident-of-angle behavior. Tests were conducted using installation contractors. National Bureau of Standards recommedations and specifications. B79-10054 B79-10062 SOLAR-HEATING SYSTEM-PERFORMANCE TESTS CONTROLLER FOR SOLAR HEATING-DESIGN PACKAGE Innovator not given (IBM Federal Systems Div.) Aug. 1979 See Innovator not given (Solar Control Corp.) Aug. 1979 also M-FS-25022 (B78-10494) M-FS-25009 Vol. 4, No. 1. p.61 M-FS-25116 Vol. 4. No. 1. p. 58 Report contains performance specifications and detailed Report describes comprehensive performance tests of drawings for two instruments: (1) differential controller, and complete solar powered space and hot water heating system to (2) temperature monitor, for solar-powered water-heating verify its suitability for field installation in small single family systems. Included in package are schematics, wiring diagrams, dwellings. test procedures, and parts list.

B79-10055 B79-10063 COST ANALYSIS OF HOT-AIR SOLAR-HEATING SYSTEMS PERFORMANCE TEST FOR A SOLAR WATER HEATER B. J. HAWKINS and R. D. STEWART Innovator not given (Wyle Labs.. Inc.) Aug. 1979 Aug. 1979 M-FS-25114 Vol. 4, No. 1. p. 59 Two reports describe procedures and results of performance M-FS-25092 Vol. 4, No. 1. p. 61 tests on domestic solar powered hot water system. Performance Report describes results of study of two operational test tests determine amount of energy collected by system, amount Sites (Huntsville. Alabama and Carlsbad, New Mexico) furnishing of energy delivered to solar source, power required to operate estimates of actual costs and potential cost savings of new and system and maintain proper tank temperature, overall system retrofit hot-air solar heating and hot-water system for single efficiency, and temperature distribution in tank. family dwellings. 879-10064 879-10056 SOLAR ENERGY FOR INDUSTRIAL PROCESS HEAT AIR SOLAR COLLECTOR-INSTALLATION PACKAGE R.H. BARBIERI and D. L PIVIROTTO Innovator not given (Owens-Illinois, Inc.) Aug. 1979 Aug. 1979 M-FS-25031 Vol. 4, No. 1. 59 p. NPO-14498 Vol. 4, No. 1. p. 62 Installation package for air solar collector contains parts list, Findings of study of potential use for solar energy utilization operating instructions, and performance specifications. by California dairy industry prove that applicable solar energy systems furnish much of heat needed for milk processing with 679-10057 large savings in expenditures for oil and gas and ensurance of STATIC LOAD TESTING OF A LIQUID SOLAR COLLECTOR adequate readily available sources of process heat. Innovator not given (Wyle Labs., Inc.) Aug. 1979 See also M-FS-23890 )B78-10208( 879-10065 M-FS-25115 Vol. 4. No. 1. p. 59 AN ANNOTATED ENERGY BIBLIOGRAPHY Report summarizes results of tests in which flat-plate liquid S.J. BLOW solar collectors were subjected to static pressure loads and Aug. 1979 See also NASA-TM-74764 )N77-28578): NASA-TM- examined for leakage and other damage. 47465 (N77-28577) LANGLEY-12488 Vol. 4, No. 1. p. 62 679-10058 Comprehensive annotated compilation of books, journals, LIQUID SOLAR COLLECTOR-PERFORMANCE EVALUATION periodicals, and reports on energy and energy related topics, Innovator not given )WyIe Labs.. Inc.) Aug. 1979 See also contains approximately 10.0000 technical and nontechnical M-FS-2501 0 (B78-10498); M-FS-25082 (B78-10499) references from bibliographic and other sources dated January M-FS-25090 Vol. 4, No. 1. p. 59 1975 through May 1977. Report summarizes thermal performance tests and measurements of incident-of-angle modified and transient response of 879-10066 flat-plate solar collector. ANALYSIS OF APERTURE ANTENNA RADIATION PAT- TERN 879-10059 R. HERSKIND )AVCO Corp.). E. SAYRE )AVCO Corp.). J. E. WEATHERING OF A LIQUID-FILLED SOLAR COLLECTOR TROUSDALE )AVCO Corp.). and J. YOS )AVCO Corp.) Innovator not given (Wyle Labs., Inc.) Aug. 1979 See also Aug. 1979 M-FS-23972 (B78-10477) MSC-16246 Vol. 4, No. 1. p. 63 M-FS-25113 Vol. 4, No. 1. p. 60 Report presents analysis of radiation pattern produced by Report describes procedures and results of tests for effects aperture antenna transmitting through layered dielectric material. of weathering on flat-plate liquid solar collector. Thermal Report also describes computer program developed to compute performance was measured before and after natural weathering radiation patterns on basis of analysis. for 15-1/2 months by using Marshall Space Flight solar simulator. 879-10067 679-10060 ANALYSIS OF BUILDING HEATING AND COOLING DESIGN OF A CONCENTRATING SOLAR COLLECTOR V. W. CHAI. S. HIGGINS, F. L. LANSING, F. W. STOLLER. and Innovator not given (Northrop. Inc.) Aug. 1979 D. M. STRAIN M-FS-25098 Vol. 4, No. 1. p. 60 Aug. 1979 Design package for concentrating solar collector includes NPO-14683 Vol. 4, No. 1. p. 63 detailed set of design drawings and parts list for all components Energy Conservation Program )ECP) gives design engineer and subcomponents of system (including its tracking drive). methodology and easy-to-use computer program for simulating hourly thermal characteristics over full year for individually 679-10061 characterized zones within building. Inexpensive system can be CONCENTRATING SOLAR COLLECTOR-PERFORMANCE used to develop thermal model of building to aid selection of TESTS most suitable and economical heating and cooling system for Innovator not given (Wyle Labs.. Inc.) Aug. 1979 See also building. M-FS-25068 (878-10500) M-FS-25086 Vol. 4. No. 1. p. 60 B79-10177 Report summarizes test results from evaluation of concentra- SINGLE-AXLE, DOUBLE-AXIS SOLAR TRACKER ting solar collector thermal performance, from transient behavior, L. W. BRANTLEY and B. D. LAWSON

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Dec. 1979 M-FS-25102 Vol. 4, No. 2. p. 204 M-FS-23267 Vol. 4, No. 2. p. 197 Economical laser scanner assembled from commercially avail- Solar concentrator tracking mechanism consisting of angular able components, modulates and scans focused laser beam over axle and two synchronized drive motors, follows seasonal as area up to 5.1 by 5.1 cm. Scanner gives resolution comparable to well as diurnal changes in Earth's orientation with respect to that of conventional television. Device is highly applicable to incoming sunlight. area of analog and digital storage and retrieval. B79-10178 B79-10185 HIGH-PERFORMANCE SOLAR COLLECTOR MULTIPLEXED MASS SPECTROMETER FOR DESORPTION D. C. BEEKLEY (Owens-Illinois. Inc.) and G. R. MATHER. JR. STUDIES (Owens-Illinois. Inc.) M. BALES (California Univ., Berkeley) Dec. 1979 Dec. 1979 M-FS-25135 Vol. 4, No. 2. p. 198 ARC-11134 Vol. 4. No, 2. p. 205 Evacuated all-glass concentric tube collector using air or Microprocessor controlled mass spectrometer data acquisition liquid transfer mediums is very efficient at high temperatures. system simultaneously monitors up to nine gaseous products Collector can directly drive existing heating systems that are emitted from heated substrate during thermal desorption presently driven by fossil fuel with relative ease of conversion experiments. and less expense than installation of complete solar heating systems. B79-10186 PREIONIZED DISCHARGE FOR SHORT-WAVELENGTH B79-10179 LASER SIMPLE, ECONOMICAL SOLAR COLLECTOR J. B. LAUDENSLAGER (Caltech( and T. J. PACALA (Caltech) K. ANTHONY Dec. 1979 See also B75-10115 Dec. 1979 See also 678-10203 NPO-13945 Vol. 4. No. 2. p. 206 M-FS-25109 Vol. 4, No. 2. p. 199 Laser uses helium and nitrogen gases at pressure of several Hot air solar collector designed for economy and simplicity atmospheres to produce emissions in visable and ultraviolet is assembled from only three parts: (1) molded urethane foam regions. Preionization of gases by transverse discharge insures body, (2) flat sheet metal collector panel and (3) transparent that main discharge is glow instead of arc for proper charge cover. Large arrays may be assembled by inserting male fittings transfer mechanism. of each collector into female fitting of adjacent collector. B79-10187 B79-10180 IMPROVED TIME-OF-FLIGHT MASS SPECTROMETER LIGHTWEIGHT, ECONOMICAL SOLAR CONCENTRATOR K.A. LINCOLN J. G. SIMPSON Dec. 1979 Dec. 1979 ARC-11090 Vol. 4, No. 2. p. 207 M-FS-23727 Vol. 4. No. 2. p. 200 External signal-conditioning electronics assembled from Concentrator consisting of aluminized polymeric film stretched commercially available components improves dynamic capability over parallel tensioned wires that can be used with or without of time-of-flight mass spectrometer. tracking drive promises to reduce cost of commercial and residential solar heating systems. B79-10188 DEGASSING PROCEDURE FOR ULTRAHIGH VACUUM B79-10181 B. C. MOORE (McDonnell Douglas Corp.) POINTING ERRORS IN SOLAR DISH COLLECTORS Dec. 1979 R. 0. HUGHES (Caltech) M-FS-25103 Vol. 4. No. 2. p. 208 Dec. 1979 Calculations based on diffusion coefficients and degassing NPO-14630 Vol. 4, No. 2. p. 200 rates for stainless-steel vacuum chambers indicate that baking Mathematical analysis calculates effects of transient pointing at lower temperatures for longer periods give lower ultimate errors in solar dish collectors treating each pointing error pressures than rapid baking at high temperatures. Process could separately. This approach considerably simplifies programming reduce pressures in chambers for particle accelerators, fusion of simulation models for tracking drive, wind effects, and other reactors, material research, and other applications. design parameters. 879-10189 879-10182 PERFORMANCE EVALUATION OF A LIQUID SOLAR DIFFERENTIAL SPECTROPHONE COLLECTOR J. S. MARGOLIS (Caltech) Innovator not given (Wyle Laboratories) Dec. 1979 Dec. 1979 See also B78-10167; B79-10040 M-FS-25026 Vol. 4. No. 2. p. 209 NPO-14599 Vol. 4, No. 2. p. 202 Report describes thermal performance and structural-load Sensitivity and measuring capability of optoacoustic gas tests on commercial single glazed flat-plate solar collector with analyzer (spectrophone) are enhanced by combining differential gross area of 63.5 sq ft that uses water as heat-transfer medium. monitoring stark modulation. Report documents test instrumentation and procedures and presents data as tables and graphs. Results are analyzed by 879-10183 standard data-reduction methods. LENS WINDOW SIMPLIFIES TDL HOUSING D. M. ROBINSON and C. W. ROWLAND B79-10190 Dec. 1979 DESIGN AND INSTALLATION OF A SOLAR-POWERED LANGLEY-12437 Vol. 4, No, 2. p. 203 HOT-WATER SYSTEM Lens window seal in tunable-diode-laser housing replaces Innovator not given (Solar Engineering & Manufacturing plan parallel window. Lens seals housing and acts as optical-output Co.) Dec. 1979 coupler, thus eliminating need for additional reimaging or M-FS-25080 Vol. 4. No. 2. p. 209 collimating optics. Package includes performance specifications, design drawings, hazard analysis, and installation for complete solar-powered B79-10184 hot-water system. FOCUSING LASER SCANNER W. R. CALLEN (Georgia Inst. of Technology) and J. E. WEAVER 879-10191 (Georgia Inst. of Technology) THE DESIGN OF SOLAR-HEATING SYSTEMS Dec. 1979 See also NASA-CR-150810 (N78-31412) Innovator not given (Honeywell, Inc.) Dec. 1979

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M-FS-25108 Vol. 4. No. 2. p. 209 Innovator not given (Owens-Illinois) Dec. 1979 Report describes organized approach to design of solar-heating M-FS-25138 ' Vol. 4, No. 2. p. 212 systems. Such parameters as collector area, storage capacity, Report containing performance specifications and engineering hardware, and constraints are determined and complete drawings of concentric-tube air solar collector show details of cost-and-performance analysis are made. Report provides practical collector and subcomponents that indicate efficiency surpassing example by tracing development of several systems sized for predetermined performance baseline for air collectors. single family, multifamily, and commercial buildings in Minneapolis area. B79-10199 DESIGN REVIEW OF A LIQUID SOLAR COLLECTOR 879-10192 B. L. WIESEWMAIER THE DESIGN OF SOLAR-HEATING AND COOLING Dec. 1979 SYSTEMS M-FS-25140 Vol. 4, No. 2, p.212 Innovator not given (Honeywell, Inc.) Dec. 1979 Report documents procedures, results, and recommendations M-FS-25106 Vol. 4. No. 2. p. 210 for in-depth analysis of problems with liquid-filled version of Methods described in report were used to develop specifica- concentric-tube solar collector. Problems are related to loss of tions for Rankine-cycle solar heating and cooling systems for vacuum and/or violent fracture of collector elements, fluid leakage, single family, multifamily, and commercial buildings. freezing, flow anomalies, manifold damage, and other component failures. B79-10193 DESIGN PACKAGE FOR A SOLAR-HEATING SYSTEM B79-10200 Innovator not given (IBM Corp.) Dec. 1979 See also B78- DEVELOPMENT OF NONMETALLIC SOLAR COLLECTOR 10492; B78-10493 AND SOLAR-POWERED PUMP M-FS-25136 Vol. 4. No. 2. p. 210 J. C. PARKER Report contains sufficient information to assemble complete Dec. 1979 See also 878-10498; B78-10499; B79-10033 tested residential flat-plate solar heating system. Descriptive M-FS-25143 Vol., 4, No. 2. p. 213 material provides design, performance, and hardware specifications Design and building of two unique components for solar for utilization by architectural engineers, and contractors in heating 1. flatplate solar collector using no metal components, procurement, installation, operation, and maintenance of similar and 2. solar powered pump for heating and cooling systems are solar applications. outlined in report. Report also discusses hardware, deliverable end items, problems encountered during fabrication and testing, B79-10194 and performance certification. PERFORMANCE AFTER WEATHERING OF A LIQUID SOLAR COLLECTOR B79-10201 Innovator not given (Wyle Laboratories) Dec. 1979 See also CERTIFICATION TESTS ON THE SOLAR-POWERED PUMP B78-10206 Innovator not given (Calmac Manufacturing Co.) Dec. M-FS-25137 Vol. 4, No. 2. p. 211 1979 See also B79-10200 Results from retesting of liquid solar collector described in M-FS-25144 Vol. 4. No, 2. p. 213 'Performance evaluation of liquid collector' )M-FS-23931). after Evaluation of solar-powered pump is given. Details cover long term exposure to natural weathering indicate no detectable fifty performance criterion along with summary of findings. degradation in collector performance and no visable deterioration in appearance of collector. Supporting data and pretest/post test B79-10202 efficiency comparison are included. COST-REDUCTION ANALYSIS FOR A SOLAR-HEATING SYSTEM B79-10195 W. L. REID (Alabama Univ.) and A. E. SHANNON (Alabama MODULAR SOLAR-HEATING SYSTEM - DESIGN PACKAGE Univ.) D. S. SINTON (IBM Corp.) Dec. 1979 See also B79-10063 Dec. 1979 See also B78-10494 M-FS-25152 Vol. 4. No. 2. p. 213 M-FS-25130 Vol. 4, No. 2. p. 211 Details on solar-heating system installed in Huntsville. Compilation contains design, performance, and hardware Alabama are presented. Estimated cost savings and recommenda- specifications in sufficient detail to fabricate or procure materials tions for system are proposed. and install, operate, and maintain complete modular solar heating and hot water system for single family size dwellings. B79-10203 REMOTE-SENSING APPLICATIONS TO GEOLOGY B79-10196 Innovator not given (University of Tennessee Space Insti- CONCENTRIC-TUBE SOLAR COLLECTOR tute) Dec. 1979 Innovator not given (Owens-Illinois) Dec. 1979 See also M-FS-25151 Vol. 4, No, 2. p. 214 B79-10056 Results of two day workshop on applications of remote sensing M-FS-25133 Vol. 4. No. 2, p. 211 to geology are summarized in report. Topics discussed are Brochure contains design, performance, and installation environmental analysis, crop classification, plant epidemics and information for commercial concentric-tube solar collector. diseases, irrigation reform, and soil surveys. B79-10197 B79-1O204 PERFORMANCE VERIFICATION OF AN AIR SOLAR COMPUTER ANALYSIS OF LANDSAT DATA COLLECTOR A. R. JAYROE, JR. D. C. MILLER (Owens-Illinois) and R. F. ROMAKER (Owens- Dec. 1979 See also NASA-TM-78184 (N78-30634) Illinois) M-FS-25105 Vol. 4. No. 2. p. 214 Dec. 1979 See also B79-10056 Report summarizing possible ways of improving LANDSAT M-FS-25131 Vol. 4. No. 2. p. 212 data provided by computers is presented. Procedures and results of battery of qualification tests performed by independent certification agency, on commercial 879-10205 solar collector are presented in report. Reported results were SKYMAP STAR CATALOG used as basis in judging collector suitable for field installation D. GOTLIEB (Computer Science Corp.) in residential and commerical buildings. Dec. 1979 GSFC-12445 Vol. 4, No, 2. p. 215 879-10198 Skymap data and data-handling programs for 255.000 stars PRELIMINARY DESIGN OF AN AIR SOLAR COLLECTOR are discussed.Data should prove useful to astronomers, spacecraft

03 PHYSICAL SCIENCES

designers, and others who have need for comprehensive star Conceptual design for heat exchanger, utilizing two immiscible catalog. liquids with dissimilar specific gravities in direct contact, is more efficient mechanism of heat transfer than conventional heat B79-10206 exchangers with walls or membranes. Concept could be adapted METEOROLOGICAL DATA-PROCESSING PACKAGE for collection of heat from solar or geothermal sources. J. B. BILLINGSLY and P. A. BRAKEN Dec. 1979 B79-10330 GSFC-12372 Vol. 4. No. 2. p. 215 NO-REHEAT AIR-CONDITIONING METPAK, meteorological data-processing package of satellite H. D. OBLER data used to develop cloud-tracking maps, is given. Data can Apr. 1980 develop and enhance numerical prediction models for mesoscale GSFC-12191 Vol. 4, No, 3. p. 356 phenomena and improve ability to detect and predict storms. Air conditioning system, for environmentally controlled areas containing sensitive equipment, regulates temperature and B79-10207 humidity without wasteful and costly reheating. System blends AOIPS CLASSIFICATION PACKAGE outside air with return air as dictated by various sensors to J. B. BILLINGSLY and P. A. BRAKEN ensure required humidity in cooled spaces (such as computer Dec. 1979 room). GSFC-12374 Vol. 4, No. 2. p. 216 CLASSPAK, interactive program for classifying multispectral B79-10331 data, is presented. Program is applicable in land-cover studies, IMPROVING MASER FREQUENCY STABILITY forestry and agriculture investigations, and also for watershed S. B. CRAMPTON (Williams College) studies. Apr. 1980 GSFC-12400 Vol. 4, No. 3. p. 357 B79-10325 Hydrogen maser frequency standard is more stable by addition TRANSMITTER/ RECEIVER FOR LASER IMAGING of parallel pyrex capillary tube array collimator. With collimator, P. G. HASELL JR. (Environmental Research Institute of Michigan), maser line width has been made as narrow as 0.24 hertz L M. LARSEN (Environmental Research Institute of Michigan), representing fivefold improvement over maser without collimator. and E. A. WORK )Bureau of Land Management) Fluorocarbon coating in tubes virtually eliminates energy loss in Apr. 1980 See also NASA-CR-151461 (N77-27485) collimator. MSC-18196 Vol. 4. No. 3. p. 351 Dual-mirror transmitter and receiver combination is used with B79-10332 laser multispectral imaging system carried by low fly aircraft. ROTATABLE MICROSCOPE STAGE Device can be arranged to reduce laser light backscatter which J. A. IVANISKO (Sperry Rand Corp.) creates false light levels in recorded image and compensates Apr. 1980 for scanning phase delay between transmitter and receiver. MSC-18549 Vol. 4, No, 3. p. 358 Samples mounted on rotatable microscope stage consisting B79-10326 of aluminum hemisphere resting in hemispherical cavity of FABRICATING WEDGE-SHAPED BEAM SPUTTERS polytetrafluoroethylene base is viewed at various angles. Stage C. M. FLEETWOOD. JR. and S. H. RICE permits operator to orient sample at selected fixed angles. Apr. 1980 GSFC-12348 Vol. 4. No. 3. p. 352 B79-10333 Fast economical fabrication produces wedge-shaped beam MICROWAVE MEASUREMENT OF ATMOSPHERIC PRES- splitter with 0.3 micrometer edge. compared to conventional SURE methods that have yielded 2 micrometer edges. Typical beam D. A. FLOWER (Caltech) and G. E. PECKHAM (Heriot-Watt splitter made by new process is prism-shaped with right- University) triangle cross-section. Apr. 1980 NPO-14450 Vol. 4, No. 3. p. 358 B79-10327 Proposed concept for measuring surface air pressure over FIELD-FLATTENER LENS ocean utilizes three pairs of microwave signals transmitted from F. VICIK (Barnes Engineering Co.) orbiting satellite. Measurements are used for long range weather Apr. 1980 See also NASA-CR-151753 )N78-29424) forecasting. MSC-18373 Vol. 4. No. 3. p. 353 Proposed spherical lens employs image flattening reflective B79-10334 surface within spherical refracting elements to focus light to flat ALL-GLASS SOLAR COLLECTOR image. Device is intended for use as optical scanner for silicon J. P. WISNEWSKI (PPG Industries, Inc.) light detector. Lens can scan wide angle at low F-stops, producing Apr. 1980 high-resolution image over angle of wavelengths from 0.4 to M-FS-23870 Vol. 4. No, 3. p. 359 14 micrometers. Proposed all tempered glass solar collector uses black collection fluid and mirrored bottom to reduce energy loss and B79-10328 overall costs associated with conventional collectors. Collector HIGH-RESOLUTION SPECTROMETER is more efficient and practically maintenance-free. R. BEER (Caltech) Apr. 1980 B79-10335 NPO-14372 Vol. 4. No, 3. p. 354 SOLAR-HEATING SYSTEM DESIGN PACKAGE Proposed spectrometer combines optical and imaging devices Innovator not given (Contemporary Systems. Inc.) Apr. and cryogenic cooling to measure infrared radiation in 1-to-15 1980 micrometer wavelength range with spatial resolution of M-FS-25226 Vol. 4. No. 3. p. 360 1 arc-second and average spectral resolution of about 0.1 cm(-1). Report describes solar heating system composed of warm-air Compact. lightweight unit is suitable for laboratory or field use. solar collector, logic control unit, and switching and transport Pollution monitoring is possible application. unit, that meets government standards for installation in residential dwellings. Text describes system operation and performance B79-10329 specifications complemented by comprehensive set of subcompo- LIQUID/LIQUID HEAT EXCHANGER nent design drawings. C. G. MILLER (Caltech) Apr. 1980 B79-10336 NPO-14271 Vol. 4. No. 3. p. 355 TEST AND EVALUATION OF A SOLAR-HEATING SYSTEM

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Innovator not given (Fern Engineering Co.. Inc.) Apr. 1980 879-10343 M-FS-25201 Vol. 4. No. 3, p. 360 COLLECTOR PERFORMANCE AT VARIOUS AIR-CHANNEL Report documents results of evaluation tests performed on DEPTHS components of commerical solar heating and hot water system. Innovator not given (Wyle Laboratories) Apr. 1980 Subsystems tested include fiat plate solar collector, energy M-FS-25159 Vol. 4, No. 3. p. 362 transport module, and control panel. Tests conducted include Report describes evaluation of solar collector efficiency which snow and wind loads, flame spread, and smoke classification as was measured at airflow, channel depths of 3. 2. 1, and 1/2 inches well as solar heating operation. in solar simulator. Data were also recorded on absorber surface temperature, inlet and outlet temperatures, airflow and insolation B79-10337 rates, collector differential pressure and windspeed, for result INSTALLATION PACKAGE FOR A SOLAR-HEATING tabulation and plotting. SYSTEM Innovator not given )Solaron Corp.) Apr. 1980 879-10344 M-FS-25198 Vol. 4. No. 3. p. 360 FIN-TUBE SOLAR COLLECTORS Package consists of installation, operation and maintenance Innovator not given (Wyle Laboratories) Apr. 1980 manuals for four commercial solar energy subsystems, including M-FS-25238 Vol. 4. No. 3. p. 362 flat plate solar collector pebble bed thermal-storage. Manual gives Report presents test procedures and results of thermal- design information, sizing data, specification drawings, and other performance evaluation of seven commercial fin tube (liquid) material for subsystem. solar collector-absorber plates. Tests were conducted indoors at Marshall Space Flight Center Solar simulator. Results are graphically shown along with supporting test data and summary, 679-10338 indicating efficiency as function of collector inlet temperature. VERIFICATION TESTS FOR A SOLAR-HEATING SYSTEM Innovator not given )Colt. Inc.) Apr. 1980 879-10345 M-FS-25178 Vol. 4, No. 3. p. 361 CERTIFICATION OF THE CONCENTRATING SOLAR Report describes method of verification of solar space heating COLLECTOR and hot-water systems using similarity comparison, mathematical Innovator not given (Northrup, Inc.) Apr. 1980 analysis, inspections, and tests. Systems, subsystems, and M-FS-25220 Vol. 4, No. 3. p. 363 components were tested for performance, durability, safety, and Report describes procedures and results of extensive testing other factors. Tables and graphs complement test materials. of concentrating solar collector performed for certification of systems compliance with government performance standards. Test 679-10339 includes operational, electrical. mechanical, and thermal checks, RESIDENTIAL SOLAR-HEATING/COOLING SYSTEM as well as structural integrity. Innovator not given (Energy Resources Center of Honeywell. Inc.) Apr. 1980 See also 879-10192 B79-1O346 M-FS-25166 Vol. 4, No. 3. p. 361 COLLECTOR PERFORMANCE AFTER WEATHERING Report documents progress of residential solar-heating and Innovator not given (Solar Energy Systems Div. of Wyle cooling system development program at 5-month mark of Laboratories) Apr. 1980 See also B78-10204 anticipated 17-month program. System design has been M-FS-25187 Vol. 4. No. 3. p. 363 completed, and development and component testing has been Method drastically reduces preparation time of pentaerythritol initiated. Report includes diagrams, operation overview, optimiza- diformal (2. 4, 8. 10-tetroxaspiro (5.5) undecane) from several tion studies -of subcomponents, and marketing plans for system. hours to time span of 3 to 20 minutes with yields greater than 90 percent. Other advantages include elimination of solvents, B79-10340 decrease in labor and energy needs, adaptability to continuous INSTALLATION PACKAGE FOR A SOLAR-HEATING operations, and overall simplicity and convenience. SYSTEM Innovator not given (Solar Engineering and Equipment Co.. B79-10347 Inc.) Apr. 1980 CONCENTRATING SOLAR COLLECTOR - FINAL DESIGN M-FS-25157 Vol. 4, No. 3. p. 361 J. C. PARKER Installation package for solar-powered hot-air system contains Apr. 1980 See also B78-10500 such information as operation and maintenance manuals, hardware M-FS-25186 Vol. 4. No. 3. p. 363 brochures, schematics. operating mode descriptions, and drawings. Final report of program to improve commercially available concentrating solar collector describes final hardware, discusses problems encountered, and presents certification statements, 879-10341 photographs, and recommendations for modification. LIQUID SOLAR COLLECTOR Innovator not given (Florida Solar Energy Center) Apr. 1980 879-10348 M-FS-25218 Vol. 4. No. 3. p. 362 WEATHERING OF A FLAT-PLATE SOLAR COLLECTOR Report documents evaluation test on commercial flat-plate Innovator not given (Wyle Laboratories) Apr. 1980 solar collector that uses water as working fluid. Performance M-FS-25160 Vol. 4, No. 3. p. 364 was measured before and after 34-day exposure to natural Report contains performance evaluation of flat-plate liquid environment. Tables in metric and English units present data on solar collector after 14-months of natural weathering. Collector air and water temperatures, waterfiow, insolation, efficiency, and efficiency was calculated and plotted as function of inlet liquid windspeed and direction. temperature. Measurements were made of ambient temperature, inlet and outlet temperatures, differential temperature and B79-10342 pressure, liquid flow rate, insolation, and windspeed. FINAL REPORT ON THE CONCENTRIC-TUBE SOLAR COLLECTOR 679-10349 J. C. PARKER GUIDE TO REMOTE-SENSOR DATA SYSTEMS Apr. 1980 See also B79-10178; B79-10199 R. R. DEWITT (New Tech.. Inc.) and J. L. ELLISON (New Tech.. M-FS-25188 Vol. 4, No. 3. p. 362 Inc.) Report documents 26-month program to optimize perform- Apr. 1980 See also NASA-CR-150837 )N79-14499) ance of commercial high performance concentric tube solar M-FS-25169 Vol. 4. No. 3. p. 364 collector. Report discusses program objectives, accomplishments, Remote sensing data-handbook presents theoretical and encountered problems, and final hardware. Certification test results practical information on spaceborne sensors and associated are also included. systems for Earth-resources applications. Handbook provides

16 03 PHYSICAL SCIENCES

discussion on historical information, principles of operations, B79-10484 factors affecting performances, nature of data output, and system INCREASED FUEL-CELL CROSS-PRESSURE LIMIT required to process data and trends in research and development. W. F. BELL (United Technologies Corp.) and N. J. MAIO (United Technologies Corp.) 879-10350 Jun. 1980 SOLAR INSOLATION MODEL M-FS-25196 Vol. 4. No. 4. p. 490 J. H. SMITH (Caltech) Polytetrafluoroethylene (PTFE) impregnated support screen Apr. 1980 increases cross pressure on electrolyte-filled matrix in fuel-cell NPO-14787 Vol. 4, No. 3. p. 365 passive water-removed unit. This increases cell operating pressure Computer program SOLINS helps engineers with relatively limit which may improve performance and life characteristics of complex task of choosing best orientation of fixed flat-plate solar passive water-removal-type fuel cells. collectors for local conditions. Program models average hourly solar insolation on fixed but arbitrarily-oriented surface. Considera- 679-10485 tion is given to problems of array spacing, shadowing, and use MEASURING TRANSMISSIVITY OF SOLAR-CELL COVERS of augmentation reflectors to increase insolation at collector E.G. LAUE (Caltech) surface. Jun. 1980 NPO-14638 Vol. 4, No. 4. p. 490 679-10351 Apparatus uses simulated solar point source refracted by GENERAL OPTICS EVALUATION PROGRAM condensing lens to determine ratio of transmissivity of solar cell B.J. HOWELL cover material to that of standard reference specimen. Apr. 1980 GSFC-12439 Vol. 4, No. 3. p. 365 B79-10486 Computer program GENOPTICS is generalized aid for analysis IMPROVED DEGRADATION RESISTANCE OF (ALGA)AS and evaluation of Optical systems that employ lenses, mirrors, LASERS diffraction gratings, and other geometrical optical surfaces. It H. KRESSEL (RCA Corp.) and J. LADANY (RCA Corp.) can exactly trace up to 800 rays through as many as 40 surfaces. Jun. 1980 See also NASA-CR-3045 (N78-32405( Results can be used to compute third order aberration coefficients LANGLEY-12242 Vol. 4, No. 4. p. 491 including spheric contributions. Simultaneous doping with Ge and Zn improves degradation resistance of short-wavelength (AIGa)As lasers. Method opens 879-10352 up prospects for greatly increased reliability in lasers and LED's THERMODYNAMIC AND TRANSPORT PROPERTIES OF operating at 7,500 angstroms or below. FLUIDS T. E. FESSLER B79-10487 Apr. 1980 IMPROVED VAPOR-GROWTH TECHNIQUE FOR Ill-V LEWIS-13127 Vol. 4, No. 3. p. 365 COMPOUND LASERS Computer program subroutine FLUID calculates thermodyna- C. J. BUJOCCHI (RCA Corp.). G. H. OLSEN (RCA Corp.). and T. mic and transport properties of pure fluids in liquid, gas, or J. ZAMEROWSKI (RCA Corp.) two-phase (liquid/gas) conditions. Program determines thermody- Jun. 1980 namic state from assigned values for temperature and density, LANGLEY-12255 Vol. 4, No. 4. p. 492 pressure and density, temperature and pressure, pressure and Vapor Growth technique of multilayered semiconductor devices entropy, or pressure and enthalpy. based on elements in groups 3. 4. and 5 such as transmission photo cathodes and heterojunction lasers, reduces thermal 879-10481 decomposition and improves performance. In addition technique NUCLEAR ELECTRO-OPTIC POWER allows fabrication of GaP/GaA5P/lnGaP, visible CW lasers J. J. SINGH through reduction of thermal decomposition. Jun. 1980 See also NASA-TM-78789 (N78-33538) LANGLEY-12496 Vol. 4, No. 4. p. 487 B79-10488 Tertiary-nuclear power cell utilizes alpha source from which GERMANIUM-ON-INP HETEROJUNCTION-STRUCTURE radiated particles strike phosphors which in turn emit photons LED that are converted to electricity by solar cell. Experiments F.Z. HAWRYLO (RCA Corp.) indicated that device is capable of providing sufficient power for Jun. 1980 numerous electronic applications where reliability and long life LANGLEY-12349 Vol. 4, No, 4. p. 492 are important. Ge-on-lnP heterojunction structure LED has been developed where in Ge film is evaporated Onto commercially available loP 1379-110482 substrate. Forward bias of device is approximately 1 volt, and it PROPOSED JOSEPHSON VOLTAGE STANDARD emits light in 9.800 angstrom region. Technique permits easy C. C. CHANG (U.S. Dept. of Commerce), L. B. HOLDERMAN and inexpensive fabrication of LED for application at this (U.S. Dept. of Commerce), and J. TOOTS (U.S. Dept. of Commerce) wavelength. Jun. 1980 M-FS-23845 Vol. 4, No. 4. p. 488 B79-10489 Relatively-simple microwave integrated circuit comprising two IMPROVED THERMAL-CONDUCTING AND CURRENT- resonators linked by Josephson junction could be set up to CONFINING FILM generate standard Josephson volt in any industrial laboratory. F. Z. HAWRYLO (RCA Corp.) Standard cells and electronic equipment could be readily compared Jun. 1980 and calibrated to this standard. LANGLEY-12350 Vol. 4. No. 4. p. 493 Ge film that replaces Si02 coating in method of fabricating B79-10483 room-temperature CW laser diodes achieves greater heat HIGH-EFFICIENCY WIND TURBINE dissipation while maintaining effectiveness as current-confining L. A. HEIN and W. N. MYERS medium. Film also lessens certain unwanted strain parameters Jun. 1980 and ultimately increases lifetime of lasers. Method is applicable M-FS-23830 Vol. 4. No. 4. p. 489 to fabrication of lnP and (AIGa)As CW lasers. Vertical axis wind turbine incorporates several unique features to extract more energy from wind increasing efficiency 20% over B79-1049O conventional propeller driven units. System also features devices OHMIC CONTACT TO P-TYPE INDIUM PHOSPHIDE that utilize solar energy or chimney effluents during periods of F. Z. HAWRVLO (RCA Corp.) no wind. Jun. 1980

17 03 PHYSICAL SCIENCES

LANGLEY-12351 Vol. 4, No. 4. p. 494 879-10497 Low-Series-resistance ohmic contact to p-type lnP semicon- TESTING OF A SOLAR COLLECTOR WITH CONCEN- ductor material is achieved in technique utilizing Au-Ge-Zn eutectic TRATING MIRRORS alloy. Alloy sets and adheres well to semiconductor surface with nnovator not given (Solar Energy Systems Division of WyIe higher acceptor concentration at metal semiconductor interface. Laboratories) Jun. 1980 Technique has proved satisfactory for pn junction LEDs and M-FS-25310 Vol. 4, No. 4. p.498 lasers. Commerical flat-plate solar collector with concentrating mirrors has been tested for thermal performance, structured B79-10491 behavior under static load, and effects of long-term natural CDINP SEMICONDUCTOR ALLOY weathering. Report documents results of testing and concludes F. Z. HAWRYLO (RCA Corp.) that absorptivity was degraded by weathering. Jun. 1980 LANGLEY-12405 Vol. 4, No. 4. p. 494 879-10498 Semiconductor alloy of CdSlnP deposited Onto CdS substrate INSTALLATION PACKAGE - HOME SOLAR HEATER using liquid-phase epitaxy (LPE) employed in solvent is replace- Innovator not given (Contemporary Systems, Inc.) Jun. ment for lnP n- and p-type heterojunction layers contained in 1980 GaAsp laser devices. Alloy will aid in lowering current density M-F5-25338 Vol. 4, No. 4 p. 498 of laser and enhance its longevity and CW operation at room Installation of commercial solar-heating system at two story, temperature. three bedroom house in New Hampshire is described in 65 page report. System collectors are integrated part of building replacing conventional roofing or siding. Report also includes general B79-10492 description of system, its operation and guidelines, Orientation SEALED HIGH-PRESSURE X-RAY DETECTOR and references. P. GORENSTEI N (Smithsonian Astrophysical Observatory) Jun. 1980 GSFC-12519 Vol. 4, No. 4. p. 495 B79-10499 Detector is filled to pressure of 2 atm with mixture of 95% MONTE CARLO VARIANCE REDUCTION xenon and 5% methane for recording hard X-ray (50-to 100-keVO N. A. BYRN (Science Applications, Inc.( images with spatial resolution of about 1 mm. Being sealed, Jun. 1980 M-FS-23645 Vol. 4, No. 4. p. 499 detector requires no gas purification or replenishment after initial Computer program incorporates technique that reduces fill. Potential areas of application include nuclear medicine, and variance of forward Monte Carlo method for given amount of X-ray or gamma-ray astronomy. computer time in determining radiation environment in complex organic and inorganic systems exposed to significant amounts B79-10493 of radiation. AUTOMATICALLY CLASSIFYING EARTH FEATURES FROM ORBIT B79-10500 R. L. HOLSTROM (Martin Marietta Corp.). R. T. SCHAPPELL WIND-ENERGY STORAGE (Martin Marietta Corp.), and J. C. TIETZ (Martin Marietta Corp.) L. H. GORDON Jun. 1980 See also NASA-CR-158997 (N79-16339( Jun. 1980 See also NASA-CR-135283 (N78-20802): NASA- LANGLEY-12589 Vol. 4. No. 4. p. 496 CR- 135284 (N78-20803(: NASA-CR- 135285 (N78-20804( Solid state circuit classifies satellite imagery by spectral LEWIS-13097 Vol. 4, No. 4. p. 499 signature of vegetation, bare land, water, clouds, or snow. Circuit Program SIMWEST can model wind energy storage system can be used to sort and separate specific imagery by signature using any combination of five types of storage: pumped hydro, so that only useful data is transmitted to Earth. Device saves battery, thermal, flywheel, and pneumatic. Program is tool to time and costs involved in manual separation of data. aid design of optional system for given application with realistic simulation for further evaluation and verification. B79-10494 FEP PLUG PROTECTS H2 MASERS B79-1O501 J. J. DELUCA and V. S. REINHARDT LANDSAT SIGNATURE DEVELOPMENT PROGRAM Jun. 1980 A. A. BLAND GSFC-12552 Vol. 4. No. 4. p. 497 Jun. 1980 Lifetime of hydrogen-maser bulb is increased by replacing KSC-11113 Vol. 4, No, 4. p. 500 beam stop plate with thick fluorinated ethylene-propylene (FEP) LANDSAT signature development program (LSDP) automatic- plug inserted in hole opposite beam entrance stem of bulb. ally produces unsupervised classification of scene from LANDSAT data tape. Program is effective enough to be useful to sophisticated B79-10495 remote sensing analyst yet is simple enough to be utilized by PROGRAMABLE SOLAR-ENERGY CONTROLLER ground truth investigators who have only basic understanding of Innovator not given )Sunkeeper Control Corp.) Jun. 1980 computer and remote sensing procedures. M-FS-25189 Vol. 4, No. 4. p. 497 Report characterizes commerically developed solar-energy control IPECH (integrated programmable electronic controller and hydronic) subsystem, giving information used in evaluating its performance. 04 MATERIALS B79-10496 WEATHERING OF A LIQUID SOLAR COLLECTOR Innovator not given (Solar Energy System Division of Wyle Laboratories) Jun. 1980 B79-10068 M-FS-25300 Vol. 4, No. 4. p. 498 SELF-PACKAGING DESICCANT Commercially available flat plate hot water solar collector is R. F. FEDORS characterized in report that presents 10 month weathering study Aug. 1979 of system. Collector efficiency was calculated and plotted from NPO-14354 Vol. 4, No. 1. p. 67 measurements of fluid temperature and flow rate, ambient Desiccant, consisting of water-soluble filler contained in temperature and solar flux. Windspeed and wind direction were water-permeable elastomeric matrix, absorbs large quantities of also measured during tests. water without becoming sticky or releasing corrosive agents.

04 MATERIALS

Desiccant may be molded into virtually any Shape depending on Reactor utilizes multiple stacked trays compactly arranged area of application. in paths of horizontally channeled reactant gas streams. Design allows faster and more efficient deposits of film on substrates, B79-10069 and reduces gas and energy consumption. Lack of dead spots IRRADIATION PRETREATMENT FOR COAL DESULFURIZA- that trap reactive gases reduces reactor purge time. TI ON G. C. HSU B79-10076 Aug. 1979 SILICON SOURCE FOR VACUUM DEPOSITION NPO-14104 Vol. 4, No. 1, p. 68 G.W. RACETTE (General Electric Co.) and D. J. RUTECKI (General Process using highly-penetrating nuclear radiation (Beta and Electric Co.) Gamma radiation) from nuclear power plant radioactive waste Aug. 1979 to irradiate coal prior to conventional desulfurization procedures LANGLEY-12356 Vol. 4, No, 1. p. 74 increases total extraction of sulfur. Device using two independent silicon sources for ultra-high- vacuum deposition on large substrates can deposit P and N B79-10070 types of silicon simultaneously. Efficient water cooled copper FLUIDIZED COAL COMBUSTION shield supports and cools structure and isolates two filaments. P. I. MOYNI HAN and D. L YOUNG Aug. 1979 NPO-14273 Vol. 4, No. 1. p. 69 879-10077 Fluidized-bed coal combustion process, in which pulverized LOW ABSORPTANCE PORCELAIN-ON-ALUMINUM COAT- coal and limestone are burned in presence of forced air, may ING lead to efficient, reliable boilers with low sulfur dioxide and nitrogen H. LEGGETT dioxide emissions. Aug. 1979 M-FS-23879 Vol. 4. No, 1. p. 75 679-10071 Porcelain thermal-control coating for aluminum sheet and SODA ASH REMOVES SULFUR FROM FUELS foil has solar absorptance of 0.22. Specially formulated coating J. DOOHER (Adelphi Univ.). S. MOON (Adelphi Univ.), and D. absorptance is highly stable, changing only 0.03 after 1,000 hours WRIGHT (Adelphi Univ.) of exposure to simulated sunlight and can be applied by standard Aug. 1979 commercial methods. GSFC-12403 Vol. 4, No. 1. p. 69 Test shows that adding soda ash (sodium bicarbonate) to 879-10078 coal/oil/water emulsion reduces 75 to 80% of sulfur dioxide BURNING CRUDE OIL WITHOUT POLLUTION gas emitted during subsequent combustion of emulsion. J. HOUSEMAN Aug. 1979 679-10072 NPO-14344 Vol. 4, No. 1. p. 76 A CONTINUOUS SILICON-COATING FACILITY Crude oil can be burned at drilling sites by two-stage C. BUTTER (Honeywell. Inc.) and J. D. HEAPS (Honeywell, Inc.) combustion process without producing pollution. Process allows Aug. 1979 easier conformance to strict federal or state clean air standards NPO-14373 Vol. 4. No. 1. p. 70 without installation of costly pollution removal equipment. Automatic continuous silicon-coating facility is used to process Secondary oil recovery can be accomplished with injection of 100 by 10 cm graphite-coated ceramic substrates for silicon steam heating by burning oil. solar cells. Process reduces contamination associated with conventional dip-coating processes, improving material service 679-10079 life. CONTINUOUS STERILIZATION OF PLUMBING SYSTEMS C. J. BRYAN, C. V. MOVERS, and E. E. WRIGHT, JR. B79-10073 Aug. 1979 SILICON TETRACHLORIDE SPRAY FEEDER KSC-11085 Vol. 4, No, 1. p. 77 T. N. MEYER (Westinghouse Electric Corp.) and C. B. WOLF 'Continuous sterilization of plumbing, such as in hospitals, (Westinghouse Electric Corp.) clinics, and biological testing laboratories is possible with Aug. 1979 ethylene oxide/Freon 12 (ETO/F-12) humidifier developed for NPO-14382 Vol. 4, No, 1. p. 71 sterilization of potable water systems. Silicon tetrachloride spray feeder mechanism is incorporated into high-temperature reactor for production of highly pure silicon intended for solar cells. Feeder supplies silicon tetrachloride as B79-10080 liquid droplets that rapidly vaporize in high temperature (2,000 CONTROLLED METAL-FILM DEPOSITION ON ALUMINA to 2,200 K) reactor zone. SUBSTRATES E. H. LEE. A. D. MOORHEAD. and H. POPPA 679-10074 Aug. 1979 A REACTOR FOR MORE EFFICIENT SOLAR CELLS ARC-11214 Vol. 4, No. 1. p. 78 M. G. FEY (Westinghouse Electric Corp.), T. N. MEYER (Westing- Report describes results of investigation of preparation, house Electric Corp.), and C. B. WOLF (Westinghouse Electric nucleation and controlled growth of particulate deposits (palladium Corp.) and iron) on electron-transparent alumina substrates. Results Aug. 1979 indicate that characteristic properties of metal deposits are strongly NPO-14381 Vol. 4, No. 1. p. 72 dependent on cleanliness, phase, and crystallographic orientation Reactor produces highly pure silicon at relatively high of substrate. temperature of 2,000 K. Process separates liquid silicon product from gaseous coproducts more easily than conventional lower- 679-10208 temperature processes. High production rates may be obtained THERMOLUMINESCENCE ANALYSIS OF AEROSOLS in relatively small reaction chambers which could include means E. R. LONG. JR. and R. S. ROGOWSKI for collecting or casting silicon ingots. Dec. 1979 See also NASA-TM-X .72795 (N76-21743) LANG LEY-12046 Vol. 4, No, 2. p. 219 B79-10075 Method is presented for identifying air pollutants in field or CHEMICAL-VAPOR-DEPOSITION REACTOR laboratory by technique based on thermoluminescence. Approach S. CHERN is useful in tracing dispersion of pollutants over geographical Aug. 1979 regions and in determining cancer causing agents in the upper NPO-14137 Vol. 4. No. 1. p. 73 atmosphere.

19 04 MATERIALS

B79-10209 gases. Materials simplify and improve separation of atmospheric INSTRUMENT FOR AEROSOL CHARACTERIZATION gases in terms of time, quantity of material needed, and sharpness G. VARSI (Caltech) of separation. Dec. 1979 NPO-14320 Vol. 4. No. 2. p. 220 B79-10216 Differential pumping system that directs particles into beam DETERMINING RESIN/FIBER CONTENT OF LAMINATES moving at high speed measures size distribution and chemical G. G. GARRARD (Rockwell International Corp.) and D. W. composition of aerosols and is useful in study of atmospheric HOUSTON (Rockwell International Corp.) contamination, smog, stack gases, and chemical aerosols. Dec. 1979 LANGLEY-12442 Vol. 4, No. 2. p. 227 B79-10210 Article discusses procedure where hydrazine is used to extract REMOTE MEASUREMENT OF ATMOSPHERIC POL- graphite fibers from cured polyimide resin. Method does not LUTANTS attack graphite fibers and is faster than hot-concentrated-acid F. ALLARIO, J. HOELL, and A. K. SEALS digestion process. Dec. 1979 LANGLEY-12277 Vol. 4. No, 2. p. 221 B79-10217 The concentration and vertical distribution of atmospheric SYNTHESIS OF TRIARYLTRIFLUOROETHANES ammonia and ozone are remotely sensed, using dual-0O2-laser R.W. ROSSER and W. D. KRAY (Talladega College) multichannel infrared Heterodyne Spectrometer (1 HS). Innovation Dec. 1979 makes atmospheric pollution measurements possible with ARC-11097 Vol. 4, No, 2. p. 228 nearly-quantum-noise-limited sensitivity and ultrafine spectral Article discusses preparation of triaryl-2,2,2-trifluoroethants resolution. prepared from a,a,a-trifluoroacetone by condensation with various substituted aromatic compounds. Compounds are useful as they B79.10211 have high thermal stability. MONITORING HARMFUL GASES W. A. HELMS and J. A. STETTER (Energetics Science. Inc.) B79-10218 Dec. 1979 See also NASA-CR-153048 (N77-23439);NASA- FLAT-FLAME BURNER CR-155770 (N78-18224) G. C. FRYBURG, F. J. KOHL, R. A. MILLER. and C. A. STERNS KSC-11086 Vol. 4, No. 2. p. 222 Dec. 1979 See also NASA-TM-X-73600 (N77-19209): NASA- Instruments are developed for monitoring presence of TM-73794 (N78-13157): 879-10219 hydrazine and nitrogen dioxide in air. Nitrogen dioxide and LEWIS-13161 Vol. 4, No, 2. p. 229 hydrazine are highly toxic and explosive substances used in Aqueous solutions of inorganic salts are aspirated and then propellants for rocket engines. Instruments discussed are nebulized into mixing chamber of flat-flame burner to study inexpensive and most useful for detecting above substances in behavior of inorganic salts in flames. concentrations as low as few parts per million. B79-10219 B79-10212 HIGH-PRESSURE MASS-SPECTROMETRIC SAMPLING WATER-SOLUBLE FLUOROCARBON COATING SYSTEM P. NANELLI (Pennwalt Corp.) G. C. FRYBURG, F. J. KOHL, A. A. MILLER. and C. A. STERNS Dec. 1979 See also B79-10213 Dec. 1979 See also NASA-TM-73720 (N77-32242), 879- MSC-16562 Vol. 4, No. 2. p. 223 102 18 Water-soluble fluorocarbon proves durable nonpolluting LEWIS-12913 Vol. 4. No. 2. p. 230 coating for variety of substrates. Coatings can be used on metals, Mass spectrometric sampler directs sampling of gaseous masonry, textiles, paper, and glass, and have superior hardness species from systems at atmospheric pressure. Method is and flexibility, strong resistance to chemicals fire, and weather. accomplished through orifice machined in platinum cone. B79-10213 B79-1O220 WATER-BASED INTUMESCENT PAINT ANALYSIS OF FATIGUE DAMAGE IN COMPOSITES D. G. SAUERS and P. NANNELLI (Pennwalt Corp.) J. D. WHITCOMB Dec. 1979 See also B79-10212 Dec. 1979 See also NASA-TM-78693 (N78-23457) MSC-16609 Vol. 4, No. 2. p. 224 LANGLEY-12431 Vol. 4, No. 2. p. 231 Article discusses fire-resistant water-based paints made by Finite-element heat-transfer analysis determines sites of adding intumescing agents to fluorocarbon coatings. Since these potential failure in composite materials. Method is sensitive to paints are water-based, they do not pollute atmosphere as they matrix damage and fiber disbonding that occurs long before actual dry and can be used in a closed-loop air-recirculation system in fiber breakage. spacecraft and submarines. B79-10221 B79-10214 STRENGTH ENHANCEMENT OF PREALLOYED POWDER HIGH-TEMPERATURE ADHESIVES FOR POLYIMIDE FILMS SUPERALLOYS A. K. ST. CLAIR, T. L. ST. CLAIR. and W. S. SLEMP J. C. FRECHE and W. J. WATERS Dec. 1979 Dec. 1979 See also NASA-TM-78834 (N78-21266) LANGLEY-12348 Vol. 14, No. 2. p. 224 LEWIS-13173 Vol. 4. No, 2. p. 232 Linear condensation polyimides which are high-temperature Strengthening and forming process for prealloyed powder polymers show promise as adhesives which form flexible film superalloys greatly increases material strength in the 900-1,200 coatings compatible with polyimide films. Materials are advanta- F temperature range. Process which involves superplastically- geous since they can be supplied as flexible tape, already B-staged deforming compacted powders at controlled rates and temperature and ready for bonding. is most effective on nickel-base alloys. B79-10215 B79-10222 MODIFIED POLYMERS FOR GAS CHROMATOGRAPHY IMPROVED ION-SELECTIVE MEMBRANES F. H. WOELLER (San Jose State Univ), W. CHRISTENSEN. and S. S. ALEXANDER (Ionics, Inc.) L MAYER (San Jose State Univ.) Dec. 1979 See also NASA-CR-134931 )N76-18670); NASA- Dec. 1979 CR-135316 (N78-18515); NASA-TM-73751 (N78-14631): ARC-11154 Vol. 4, No, 2. p. 226 NASA-TM-73873 (N78-19656): B76-10070 Polymeric materials are modified to serve as stationary phase LEWIS-12678 Vol. 4. No, 2. p. 233 in chromatographic columns used for separation of atmospheric Ion-selective membranes are developed in evolution of

04 MATERIALS

REDOX (reduction-oxidation) electrochemical bulk energy storage ARC-11253 Vol. 4. No. 3. p. 371 concept which have exceptional selectivity giving three orders Heat and chemical resistant polymers with triazine crosslinks of magnitude improvement over commercially available mem- are prepared by thermal condensation reactions to form branes. 1,2,4-oxdiazole linkages. They are compounded with variety of fillers, extenders, and modifiers for numerous applications in which B79-10223 stability, impermiability to liquids and gases, good plasticity, and IMPROVED INVERTED STEPANOV APPARATUS elasticity or rigidity are important. S. BERKMAN (RCA Corp.) and H. E. TEMPLE (RCA Corp.) Dec. 1979 B79-10356 NPO-14297 Vol. 4, No. 2, p. 234 SYNTHESIS OF 2, 4, 8. 10-TETROXA5PIRO (5.5) UNDEC- Modifications in inverted Stepanov process improve heat ANE transfer and energy efficiency in growing silicon ribbon crystals. A. C. POSHKUS (National Res. Council) Using system, silicon is directly heated by induction, minimizing Apr. 1980 heat transfer and contamination problems. ARC-11243 Vol. 4. No. 3. p. 371 Method drastically reduces preparation time pentaerythritol B79-10224 diformal from several hours to time span of 3 to 20 minutes FIBROUS REFRACTORY COMPOSITE INSULATION with yields greater than 90 percent. Other advantages include H. E. GOLDSTEIN, M. SMITH. and D. B. LEISER (Stanford Univ.) elimination of solvents, decrease in labor and energy needs, Dec. 1974 adaptability to continuous operations, and overall simplicity and ARC-11169 Vol. 4, No. 2, p. 235 convenience. Family of high-temperature, low-density refractory composite insulations made from aluminoborosilicate and silica fibers has 879-10357 insulating material with improved mechanical and thermal RELATING VISCOSITY TO POLYMER CONCENTRATION properties. Composition is useful for reusable heat-shield materials. R. F. FEDORS (Caltech( Apr. 1980 B79-10225 NPO-14609 Vol. 4, No. 3. p. 372 FATIGUE PROPERTIES OF COLUMBIUM ALLOY Equation developed by Vanoijk and first applied to viscosity R. A. CROSBY (The Marquardt Co.) and F. K. LAMPSON (The of Newtonian suspension of rigid particles by Eilers is rearranged Marquardt Co.) to yield intrinsic viscosity as explicit function of polymer Dec. 1979 concentration in polymer solvent system. Experiments have shown MSC-18256 Vol. 4. No. 2. p. 235 relationship valid for polymer solutions having relative viscosi- Report presents data from series of tests undertaken to ties ranging from 1 to 100. determine room-temperature fatigue properties of C-103 columbium alloy and its combination with Ti-6Al-4V 879-10358 weldments. SIMPLE ESTIMATE OF CRITICAL VOLUME A. F. FEDOAS (Caltech) 679-10226 Apr. 1980 USE OF COMPOSITES IN ELECTRIC VEHICLES NPO-14464 Vol. 4, No, 3. p. 373 R. H. DAWE (Caltech), D. B. EDWARDS (Caltech), and H. A. Method for estimating critical molar volume of materials is FRANK (Caltech) faster and simpler than previous procedures. Formula sums no Dec. 1979 more than 18 different contributions from components of chemical NPO-14615 Vol. 4. No. 2. p. 236 structure of material, and is as accurate (within 3 percent) as Report presents study of weight savings in electric vehicles older more complicated models. Method should expedite many by using alternative structural materials, particularly composites. thermodynamic design calculations. Topics discussed include safety, aerodynamics, esthetics, and cost. B79-10359 879-10353 EQUILIBRIUM SWELLING OF ELASTOMERS IN SOLVENTS FLAME-RESISTANT TEXTILES A. F. FEDOAS (Caltech) L. C. FOGG (Sci. AppI.. Inc.), R. S. STRINGHAM (Sci. Appi., Apr. 1980 Inc.), and M. S. TOY (Sci. Appi., Inc.) NPO-14637 Vol. 4, No, 3. p. 374 Apr. 1980 See also NASA-CR-151834 (N79-10149) Two proposed empirical equations, developed from Eilers- MSC-18359 Vol. 4, No, 3. p. 369 VanDijk equation to characterize relative modulus of filled Flame resistance treatment for acid resistant polyamide fibers elastomers as function of filler content, describe: (1( equilibrium involving photoaddition of fluorocarbons to surface has been scaled swelling for cases where fillers are composed of permanent up to treat 10 yards of commercial width (41 in.) fabric. Process aggregates of primary particles: and (2) equilibrium swelling when may be applicable to other low cost polyamides, polyesters, and filler material is composed of non-aggregated particles. textiles. B79-10360 B79-1O354 DOUBLE-WALL TUBING FOR OIL RECOVERY FOUR-STEP REACTION FOR POLYTRIAZINE ELASTOMERS L H. BACK (Caltech), W. F. CARROLL (Caltech), L D. JAFFEE A. W. ROSSER and A. A. KORUS (San Jose State University) (Caltech), and L. D. STIMPSON (Caltech) Apr. 1980 Apr. 1980 See also B79-10369 ARC-11248 Vol. 4, No, 3, p. 370 NPO-14606 Vol. 4. No, 3. p. 375 Four step imidoylamidine reaction sequence is used to make Insulated double-wall tubing designed for steam injection crosslinked polyperfluoralkyltriazines with superior elastomeric oil recovery makes process more economical and allows deeper properties, greater molecular weight, and crosslinking control. extension of wells. Higher quality wet steam is delivered Polymers can find useful application in fuel tank sealants. through tubing to oil deposits with significant reductions in heat 0-ring, wire enamels, pneumatic ducts, and many other applica- loss to surrounding rock allowing greater exploitation of pre- tions. viously unworkable reservoirs. B79-10355 679-10361 HEAT- AND CHEMICAL-RESISTANT OXDIAZOLE ELAS- POST-PROCESSING FLAME-RETARDANT FOR POLYURE- TOMERS THANE A. W. ROSSER, H. KWONG (San Jose State Foundation), and P. MONAGHAN (Arthur D. Little, Inc.) and K. R. SIDMAN (Arthur I. M. SHALHOUB (San Jose State Foundation) D. Little, Inc.( Apr. 1980 Apr. 1980 See also NASA-CR-144362 (N75-29264)

04 MATERIALS

MSC-16307 Vol. 4, No. 3. p. 376 NPO-14474 Vol. 4, No. 3. p. 381 Treatment of polyurethane form with elastomer formulation Silicon tetrafluoride gas removes metallurgical-grade impurities after processing makes foam fire resistant without compromising when passed over silicon in quartz tube. Technique allows physical properties. In testing, once ignition source is removed, inexpensive increase in throughout rate. Approach could improve combustion stops. Treatment also prevents molten particle silicon production for silicon solar cells. formation, generates no smoke or toxic gases in fire, and does not deteriorate under prolonged exposure to Sun. B79-10368 COMPACT REACTOR FOR ONBOARD HYDROGEN 879-10362 GENERATION OZONE INHIBITS CORROSION IN COOLING TOWERS T. A. BRABBS K. R. FRENCH (Caltech), R. D. HOWE (Caltech), and M. F. Apr. 1980 See also NASA-TP-1247 )N78-23256) HUMPHREY (Caltech) LEWIS-13033 Vol. 4. No. 3. p. 382 Apr. 1980 Hydrogen, chemically stored as methanol, is promising NPO-14340 Vol. 4, No. 3. p. 377 internal-combustion fuel. Methanol is readily obtainable from Commercially available corona discharge ozone generator, natural products such as wood, compost, or various organic fitted onto industrial cooling tower, significantly reduces formation wastes. Steam reformation of methanol as source for hydrogen of scales (calcium carbonate) and corrosion. System also controls is relatively simple operation. growth of algae and other microorganisms. Modification lowers cost and improves life of cooling system. 679-10369 WATER-COOLED INSULATED STEAM-INJECTION WELLS B79-10363 L H. BACK )Caltech) and L. D. JAFFE (Caltech) MEASURING COAL THICKNESS Apr. 1980 C. BARKER (Univ. of Missouri at Rolla), J. BLAINE (Univ. of NPO-14605 Vol. 4, No, 3. p. 383 Missouri at Rolla), G. GELLER )Univ. of Missouri at Rolla(, A. Water is used as insulated coolant and heat-transfer medium ROBINSON (Univ. of Missouri at Rolls), D. SUMMERS (Univ. of for steam-injection oil wells. Approach is somewhat analogous Missouri at Rolla), and J. TYLER to cooling system in liquid-propellant rocket. In addition to trapping Apr. 1980 and delivering heat to steam-injection point, water will also M-FS-23979 Vol. 4, No, 3. p. 378 keep casing cooler, preventing or reducing casing failures caused Laboratory tested concept, for measuring thickness of by thermal stresses. overhead coal using noncontacting sensor system coupled to controller and high pressure water jet, allows mining machines 879-10370 to remove virtually all coal from mine roofs without danger of HIGH-TEMPERATURE INSULATION cutting into overlying rock. R. E. MOWERS (Rockwell Intern. Corp.) and A. C. PETERSON (Rockwell Intern. Corp.) 879-10364 Apr. 1980 PRECISE WET-CHEMICAL ETCHING M-FS-19498 Vol. 4, No. 3. p. 384 F. J. GRUNTHANER )Caltech) Lightweight insulating material works over very broad Apr. 1980 temperature range. Material is unaffected by moisture or hydraulic NPO-14339 Vol. 4. No. 3. p. 379 oil and is usable at temperatures ranging from 2,200 F 11.200 C) Controlled amount of etchant applied to surface of rotating to cryogenic levels. It is readily applied to number of high- sample removes only few angstroms of material. Technique is temperature and cryogenic processes. suited to study of chemical and crystal structures. Rate can be varied through control of spin frequency, liquid viscosity, droplet 679-10371 size, total etchant volume, etchant concentration. MOSSBAUER STUDY OF FESI2 AND FESE THIN FILMS K. AGGARWAL, W. T. ESCUE. and R. G. MENDIRA1TA B79-10365 Apr. 1980 DETECTING OXYGEN IN HYDROGEN OR HYDROGEN IN M-FS-25088 Vol. 4, No, 3. p. 384 OXYGEN Structural studies of FeSi2 and FeSe thin films have been A. C. ERICKSON (General Electric Co.) conducted via Mossbauer spectroscopy as continuation of earlier Apr. 1980 investigation of FeTe films. Results discuss structures of bulk MSC-18380 Vol. 4, No. 3, p. 380 and thin-film FeSi2 and bulk and thin-film FeSe. Catalytic sensor operates in high-pressure, moisture-laden gases. It was developed for life support system in which water 679-10372 is decomposed by electrolysis to produce oxygen and hydrogen. STRESS CORROSION IN HIGH-STRENGTH ALUMINUM Sensor has potential applications in gas-detection and measure- ALLOYS ment instruments, particularly for gases generated by electroly- A. C. DORWARD )Kaiser Aluminum and Chemical Corp.) and K. sis, because such gases may contain large amounts of moisture. R. HASSE (Kaiser Aluminum and Chemical Corp.) Apr. 1980 B79-10366 M-FS-23986 Vol. 4, No. 3. p. 385 AN IMPROVED CAPILLARY RHEOMETER Report describes results of stress-corrosion tests on aluminum S. P. FEINSTEIN )Caltech) alloys 7075, 7475, 7050. and 7049. Tests compare performance Apr. 1980 of original stress-corrosion-resistant )SCR) aluminum. 7075, with NPO-14501 Vol. 4, No. 3. p. 380 newer, higher-strength SCR alloys. Alloys 7050 and 7049 are Capillary rheometer incorporates cone-tipped preheated piston found superior in short-transverse cross-corrosion resistance to to compress plastized coal sample through narrow tube. Applied older 7075 alloy: all alloys are subject to self-loading effect force is proportional to viscosity and is recorded on separate caused by wedging of corrosion products in cracks. Effect instrument. Samples are heated rapidly due to large area of causes cracks to continue to grow, even at very-low externally cone surface. Device, primarily applied in designing efficient applied loads. equipment for feeding coal into combustion chamber, may be readily used in other viscosity studies. 679-10373 TEMPERATURE AND MOISTURE ANALYSIS IN COM- B79-10367 POSITES NEW APPROACH TO PURIFYING SILICON D. R. TENNEY, S. S. TOMPKINS, andJ. UNNAM )Geo. Washington R. E. CHANEY (Motorola, Inc.). W. M. INGLE (Motorola, Inc.), Univ.) and S. W. THOMPSON )Motorola, Inc.) Apr. 1980 Apr. 1980 LANGLEY-12452 Vol. 4. No, 3. p. 385

22 04 MATERIALS

Advanced fiber-reinforced polymeric matric composites have acid resistant than conventional polyimide foams. Self curing emerged as strong candidate materials for airframe applications. foam can be formed 'onsite' in limited access locations where Favorable aspects include high strength, stiffness, and low density. application of heat is difficult or impossible. Temperature and Moisture Analysis in Composites (TMAC) program was developed to study effect of variations in diffusion 879-10508 coefficients, surface properties, panel tilt, ground reflection, and COMPOSITES OF IMMISCIBLE METALS geographical location on moisture-concentration profiles and M. H. JOHNSTON, J. C. MCCLURE. and R. A. PARR average moisture contents of composite laminates. Jun. 1980 M-FS-23816 Vol. 4. No, 4. p. 508 B79-10502 Process aids development of composites of metals that are SIMULTANEOUS STACK-GAS SCRUBBING AND WASTE immiscible in liquid plase. Aligned uniformly dispersed spheres WATER TREATMENT or rods of bismuth in aluminum, lead in aluminum, bismuth in J. C. PORADEK and D. D. COLLINS (Chemsoil Corp.) zinc, and other systems have been prepared. Dispersed and matrix Jun. 1980 See Also NASA-CFl-160280 (N80-12620) metal are selected according to desired electrical or mechanical MSC-16258 Vol. 4, No. 4, p. 503 properties. Simultaneous treatment of wastewater and S02-laden stack gas make both treatments more efficient and economical. 879-10509 According to results of preliminary tests, solution generated by VACUUM-BONDED COVERING WITHSTANDS LOW stack gas scrubbing cycle reduces bacterial content of wastewater. TEMPERATURES Both processess benefit by sharing concentrations of iron. G. LERMA (Rockwell International Corp.) and Z. SIMINSKI (Rockwell International Corp.) B79-10503 Jun. 1980 LOW COST DISPOSAL OF MMII MSC-16235 Vol. 4. No. 4. p. 509 J. J. THOMAS (Florida Institute of Technology) and T. FRENCH Aluminum foil. tetrafluoroethylene ITEF). and glass fabric are (Florida Institute of Technology) vacuum bonded together to make composite covering material Jun. 1980 that is flexible, easy to handle, and unaffected by cryogenic KSC-11135 Vol. 4, No. 4. p. 504 temperatures. Concentration of gaseous toxic monomethylhydrazine (MM H) can be removed at 99.9% efficiency using scrubbers containing B79-10510 acetylacetone solutions as scrubbing liquors. Resulting product LONGER SHELF LIFE FOR CERAMIC SLURRIES is easily disposable and expensive liners for protecting scrubber Y. D. IZU (Lockheed Missiles and Space Co.) and T. M. TANABE from strong oxidizing agents are not needed. (Lockheed Missiles and Space Co.( Jun. 1980 B79-10504 MSC-18543 Vol. 4, No. 4, p. 509 A LOW-COST MOLECULAR-LEAK VALUE Viscosity of ceramic-coating slurries containing organic C. M. JUDSON (Analog Technology Corp.). J. L. LAWRENCE. acrylate viscosity-control agent is stabilized for over 2 months JR. (Analog Technology Corp.). and F. P. PICKETT (Analog by addition of ammonium hydroxide without significant changes. Technology Corp.) Jun. 1980 B79-10511 LANGLEY-12249 Vol. 4, No. 4, p. 505 SHEAR STRENGTH OF ALUMINUM FILLET WELDS Solenoid operated modular-leak and shutoff valve has been C.V. LOVOY developed for small portable, automated, mass spectrometer used Jun. 1980 See also NASA-TM-78168 (N78-21495) to measure trace constituents of air or other gases. Valve costs M .FS-23946 Vol. 4, No. 4. p. 510 much less to produce than precision needle-in-foil type. Yet its Shear-strength tests on aluminum fillet welds are documented performance closely matches that version. in report. Tests were made on aluminum alloy 2219 to aid designers in specifying sizes and lengths of fillet welds necessary B79.10505 to sustain expected loads in this material. Report discusses IMPROVED SYNTHESIS OF POLYFORMALS fillet-weld size and geometry, including root penetration and A. C. POSHKUS surface Contour. Jun. 1980 ARC-112" Vol. 4. No. 4, p. 506 B79-10512 Polyformals are prepared in less than 15 mm. as opposed ENGINEERING PROPERTIES OF INCOLOY-903 AND CTX-1 to hours or days by conventional processes. Product can be P. E. RUFF (Battelle Memorial Inst.) converted into ethylencially unsaturated monomers and into Jun. 1980 aphrogenic and pyrostatic phosphorylated derivatives and the like. M-FS-23359 Vol. 4. No. 4, p. 510 Engineering properties of lncoloy-903 sheet and CD(-1 (high B79-10506 strength austentic Fe-Ni . Co alloy) bar are characterized in report. SEPARATING LIQUID AND GASEOUS SOLUTIONS Report includes tables and plots of test data and photographs J. W. BENEFIELD (Lockheed Aircraft Corp.) and P. GRODZKA of microstructure of samples used. Two appendixes include (Lockheed Aircraft Corp.) specimen configuration and data Collected from industrial survey. Jun. 1980 M-FS-23368 Vol. 4, No. 4. p.506 879-10513 Clusius-Dickel separation (CDS) technique, currently used in UNRESOLVED MOSSBAUER HYPERFINE SPECTRA laboratory scale separation of certain isotopes, may find more J. R. SCHIESS and J. J. SINGH effective applications in low-gravity, space environments. Many Jun. 1980 advantages In power supply, mechanical stresses, and spatial LANG LEY-12439 Vol. 4. No. 4. p. 511 arrangement can be realized in space, making technique suitable Program analyzes unresolved Mossbauer hyperfine spectra for biological and polymer separations. resulting from existence of several local environments in dilute binary iron alloys. It has proven useful in studying effects of 079-10507 impurity atoms on iron Mossbauer spectra. SELF-CURING POLYIMIDE FOAM S. A. RICCITIELLO and P. M. SAWKO 879-10514 Jun. 1980 SINGLE, TWO, AND THREE-PHASE BINARY-ALLOY ARC-11170 Vol. 4. No. 4. p. 507 SYSTEMS Chemical formulation produces foamed polyimide plastic D. R. TENNEY without external heat. Foam is less dense and more flame and Jun. 1980

23 05 LIFE SCIENCES

LANGLEV-12381 Vol. 4. No. 4. p. 511 fabrication of liquid cooled garments. Cooling helmets may be Series of three computer programs solve one dimensional tran- assembled from material and various garments used for heating sient diffusion problems in single and multiphase binary-alloy sys- can be developed. tems. Accurate understanding of diffusion process in binary-alloy system is Important for development of metal matrix composites, 879-10228 some protective coatings, and thin-film technology. PLATINUM ELECTRODES FOR ELECTROCHEMICAL DETECTION OF BACTERIA J. A. WILKINS Dec. 1979 See also B78-10236 LANGLEV-12462 Vol. 4. No, 2. p. 240 LIFE SCIENCES Bacteria is detected elect ro-chemically by measuring evolution 05 of hydrogen in test system with platinum and reference electrode. Using system, electrodes of platinum are used to detect and enumerate varieties of gram-positive and gram-negative organisms compared in different media. 1379-1100111 HIGH-RESOLUTION ECHOCARDIOGRAPHY B79-1O229 A. NATHAN WIDEBAND ELECTRONICS FOR ULTRASONIC TISSUE Aug. 1979 CHARACTERIZATION NPO-14349 Vol. 4. No. 1. p. 81 P. GAMMELL (Caltech) High resolution computer aided ultrasound system provides Dec. 1979 two and three dimensional images of beating heart from many NPO-14461 Vol. 4, No, 2. p. 241 angles. System provides means for determining whether small System utilizing natural ringing frequency of electronic circuit blood vessels around the heart are blocked or if heart wall is coupled to wideband transducer is used to determine frequency moving normally without interference of dead and noncontracting dependence of ultrasonic properties of tissue. With procedure muscle tissue. frequency data can be obtained rapidly and inexpensively. 679-10082 B79-1O230 MICROCOMPUTER HELPS EVALUATE SKIN BURNS COUPLER FOR SURGERY ON SMALL ANIMALS V. J. ANSELMO and T. H. REILLY J. E. JOHNSON. JR. and P. F. SWARTZ Aug. 1979 Dec. 1979 NPO-14402 Vol. 4, No. 1. p. 82 ARC-11114 Vol. 4. No, 2. p. 242 Microcomputer analysis of multispectral imaging of burn area M inicoupler simplifies exchange of fluids with organs of aids production of display map of field and partial thickness laboratory animals enabling one person to perform surgery on burns making more effective clinical treatment possible. experimental animals such as rats and mice. Innovation eliminates obstructing hands and instruments from areas of surgery. B79-10083 ARTIFICIAL LIMB CONNECTOR 879-10231 C. W. BRIGHT, L. J. OWENS. V. MOONEY (Rancho Los Amigos CINEMICROGRAPHIC SPECIMEN HOUSING Hospital). and J. B. RESWICK (Rancho Los Amigos Hospital) J. R. WILKINS Aug. 1979 Dec. 1979 KSC-11069 Vol. 4, No. 1. p. 83 LANGLEY-12047 Vol. 4, No, 2. p. 243 Flexible connector gives skin freedom needed to self-adjust Housing used to observe gravitation effects on specimens to promote healing of flesh and to relieve skin stresses while embedded in support media, such as agar, supports microbial maintaining skin seal surrounding implanted percutaneous sleeve specimens vertically for time-lapsed cinemicrographic studies. used with bone fixation prosthetic connector. Procedure cannot be performed with conventional microscopes which see specimens in horizontal plane only. B79-10084 EVE-CONTROLLED SWITCH 879-10232 G. L. WALKER )Hayes International Corp.) and B. G. WEAVER IMPROVED CAPACITIVE EKG ELECTRODE (Hayes International Corp.( J. L. DAY, M. E. GRIFFITH (Texas Tech Univ.), W. M. PORTNOX Aug. 1979 (Texas Tech Univ.), and L. J. STOTTS (Texas Tech Univ.( M-FS-25091 Vol. 4. No. 1. p. 84 Dec. 1979 Eye motion sensor clipped to standard eyeglass frame and MSC-18321 Vol. 4. No, 2. p. 244 circuit allows electric wheel chair to be controlled by eye Light, compact electrode monitors heart signals through burn movements alone. Ointment and requires no electrolyte paste for coupling to skin. Innovation is useful because of its ability to monitor heart B79-10085 condition of burn victims. IDENTIFICATION OF MICRO-ORGANISMS G. A. TAYLOR and S. N. ZALOGUEV (U.S.S.R. Ministry of Health) B79-10233 Aug. 1979 See also NASA-TM-58185 )N78-29725) LOW-DOSE TOTAL-BODY-CALCIUM ANALYSIS MSC-18358 Vol. 4, No. 1. p. 85 T. K. LEWELLEN )Washington Univ.) and W. B. NELP (Washington Manual presents detailed laboratory procedures for identifying Univ.) aerobic or microaerobic bacteria, yeast or yeastible organisms, Dec. 1979 See also NASA-CR-151675 (N78-22696) and filamentous fungi and conducting other microbiological or MSC-18282 Vol. 4, No, 2. p. 245 immunological evaluations of samples taken from human subjects. Report details technique for measuring total body calcium Standardized procedures should be useful to researchers and by collecting exhaled 37Ar gas after exposure of patients to clinicians in laboratories, hospitals and other biological test 14-MeV neutrons. Summary for theoretical basis of technique is facilities. presented. B79-10227 879-10234 IMPROVED TEMPERATURE-CONTROL GARMENT ANTHROPOMETRIC SOURCEBOOK A. L. COX (Vought Corp.) and C. W. HIXON (Vought Corp.( A. L. BOND, J. T. JACKSON, A. J. LOUVIERE. and W. E. Dec. 1979 THORNTON ARC-11239 Vol. 4, No. 2. p. 239 Dec. 1979 See also NASA-RP-1024 (N79-11734); NASA-RP- Multilayer fabric containing polyurethane tubing is used in 1024 )N79:13711); NASA-RP-1024 (N79-13712)

24 06 MECHANICS

MSC-18500 Vol. 4. No. 2. p. 245 tests, excellent agreement was found between computer Three volume Anthropometric Source Book Contains large evaluation of femoral angiograms on living subjects and evaluation body of anthropometric data, design information, and references. by teams of trained angiographers. Subjects covered include variability in body size, mass distribution properties of human body, arm and leg reach, joint motion and B79-10515 numerous other materials. INDIRECT MICROBIAL DETECTION J. R. WILKINS B79-10235 Jun. 1980 ANALYZING WATER RESOURCES LANG LEY-12520 Vol. 4. No. 4. p. 515 Innovator not given (Ecosystems International. Inc.) Dec. Indirect method for detection of microbial growth utilizes 1979 See also NASA-CR-150467 (N78.13509) flow of charged particles across barrier that physically separated M-FS-25104 Vol. 4. No. 2. p. 245 growing cells from electrodes and measures resulting difference Report on water resources discusses problems in water in potential between two platinum electrodes. Technique allows measurement demand, use, and availability. Also discussed are simplified noncontact monitoring of all growth in highly infectious sensing accuracies, parameter monitoring, and status of forecas- cultures or in critical biochemical studies. ting, modeling, and future measurement techniques. B79-10516 B79.10374 EXTRACTING TRACE SUBSTANCES FROM BIOLOGICAL IMPROVEMENT OF CAT SCANNED IMAGES FLUIDS E. ROBERTS, JR. A. ZLATKIS (Univ. of Houston) Apr. 1980 See also NASA-TM-78974)N78-3169O): NASA-TN- Jun. 1980 0.8529 (N77-29539) MSC-18522 Vol. 4, No. 4. p. 516 LEWIS-13276 Vol. 4. No. 3. p. 389 Apparatus is used as aid in extraction of trace amounts of Digital enhancement procedure improves definition of images. volatile organics from biological fluids. 'Transervaporator' makes Tomogram is generated from large number of X-ray beams. Beams it possible to prepare violate fraction for analysis by high-resolution are collimated and small in diameter. Scanning device passes gas chromatography. beams sequentially through human subject at many different angles. Battery of transducers opposite subject senses attenuated B79-10517 signals. Signals are transmitted to computer where they are used MONITORING FETAL PH BY TELEMETRY in construction of image on transverse plane through body. A. BLUM. T. DONAHOE, M. D. JHABVALA. and W. RYAN Jun. 1980 B79-10375 GSFC-12507 Vol. 4. No. 4. p. 517 IMPROVED OPTICS FOR AN ULTRACENTRIFUGE Telemetry unit has been developed for possible use in C. G. MILLER (Caltech) and J. B. STEPHENS (Caltech) measuring scalp-tissue pH and heart rate of unborn infant. Unit Apr. 1980 radius data to receiver as much as 50 ft. away. Application NPO-13657 Vol. 4, No, 3. p. 390 exists during hours just prior to childbirth to give warning of Ultracentrifuge is important tool in study of polymers, problems that might require cesarean delivery. biomolecules, and cell structures. In typical ultracentrifuge rotor supports pair of optically matched vials: one contains sample B79-10518 mixed in solvent, and other is reference that contains only solvent. TRIFUNCTIONAL TRANSDUCER FOR MYOCARDIAL Doubleslit Optical system, transverse to rotor, creates interference MONITORING pattern on photographic plate each time vials pass through optics. V. H. CULLER (Caltech), C. FELDSTEIN (Caltech). G. W. LEWIS Medium in sample vial displaces interference maximums such (Caltech), and S. MEERBAUM (Sinai Medical Center) that shift gives measurement of density distribution along Jun. 1980 length of sample. NPO-14329 Vol. 4, No. 4. p. 517 Prototype myocardial transducer simultaneously monitors B79-1O376 internal force, displacement, and thickness of heart muscle fiber IMPROVED MICROBIAL-CHECK-VALVE RESINS within localized area of heart muscle. Transducer can be placed G. V. COLOMBO (Umpqua Research Co.) and D. F. PUTNAM in area less than 1.5 by 4 mm. (Umpqua Research Co.) Apr. 1980 See also NASA-CR-151678 (N78-22719); (NASA. CR-151843 (N79-11733) MSC-18377 Vol. 4. No, 3. p. 392 Improved microbial-check-valve resins have been tested for 06 MECHANICS their microbicidal effectiveness and long-term stability. Resins give more stable iodine concentrations than previous prepara- tions and do not impart objectionable odor or taste to treated water. Microbial check valve is small cylindrical device, packed with iodide-saturated resin, that is installed in water line where B79-10086 contamination by micro-organisms is to be prevented. Prototype CONTAINERLESS HIGH-TEMPERATURE CALORIMETER microbial check valve was tested for stability and performance L. L. LACY, D. B. NISEN. and M. B. ROBINSON under harsh environmental conditions. Effectiveness was Aug. 1979 100 percent at 35 deg. 70 deg. and 160 deg F (2 deg, 21 M-FS-23923 Vol. 4, No. 1. p. 89 deg. and 71 deg Q. Samples are heated by electron bombardment in high- temperature calorimeter that operates from 1,000 to 3,600 C B79-10377 yet consumes less that 100 watts at temperatures less than COMPUTER MEASUREMENT OF ARTERIAL DISEASE 2.500 C. Contamination of samples is kept to minimum by J. ARMSTRONG (Caltech), R. H. SELZER (Caltech). R. BARNDT suspending them from wire in vacuum chamber. Various sample (Univ of Southern Calif.), D. H. BLANKENHORN (Univ. of Southern slopes such as wires, disks, spheres, rods, or irregular bodies Calif.), and S. BROOKS (Univ. of Southern Calif.) can be accommodated and only about 100 nq of samples are Apr. 1980 needed for accurate measurements. NPO-14266 Vol. 4. No. 3. p. 393 Image processing technique quantifies human atherosclerosis 679-10087 by computer analysis of arterial angiograms. X-ray film images OBTAINING AN ELECTRICAL OUTPUT FROM A MECHANI- are scanned and digitized, arterial shadow is tracked, and several CAL FLOWMETER quantitative measures of lumen irregularity are computed. In other W.T. POWERS

06 MECHANICS

Aug. 1979 B79-10095 M-FS-23958 Vol. 4, No. 1. p.90 ACCURATE MEASUREMENTS OF MASS AND CENTER OF Circuit using optical sensor, low power counting electronics, MASS one clip digital-to-analog converter and operational amplifier E.V. CHOW and M. R. TRUBERT converts mechanical readout of water, gas, fuel oil or power Aug. 1979 See also NASA-CR-156130 (N78-20177) meter to analog signal suitable for online processing. NPO-14428 Vol. 4, No. 1. p. 96 Object is measured for mass and center of mass with B79-10088 accuracies of 0.01% and 0.14% respectively, using method that DIFFERENTIAL OIL FLOWMETER eliminates errors in alignment, leveling, and calibration. Method W. T. POWERS is applied to scientific instruments, recorder turntables, flywheels, Aug. 1979 and other devices that require precise balancing. M-FS-23959 Vol. 4, No. 1, p. 91 Difference in oil flow volume through two mechanical B79-10096 flowmeters is converted to analog signal by simple inexpensive MEASURING RESISTANCE OR CONDUCTANCE OF circuit. Circuit can be implemented with only minor changes to INSULATORS conventional oil flowmeters and used to measure fuel consumed H. S. MAY (Rockwell International Corp.) by oil fired furnace or water heater. Aug. 1979 MSC-18132 Vol. 4, No. 1. p. 98 B79-10089 Device protects stable fixture for holding electrodes against BIDIRECTIONAL FLUID-FLOW MONITOR specimen conductance or resistance measurement with substan- S. L. BARAJAS (Rockwell International Corp.) tially less labor and expense than previous methods. Aug. 1979 MSC-16762 Vol. 4. No. 1. p. 92 Bidirectional fluid-flow monitor detects flow rates as low as B79-10097 0.1 gal/mm (0.41/mm) and operates at temperatures up to LASER ALIGNMENT OF LARGE ASSEMBLIES 350 F (177 C) and at pressures to 500 psig (3.6 X 10 to the W. S. CAZARES (Rockwell International Corp.) and D. D. KERN sixth power N/M squared). Monitor shows 'no flow' or 'maximum (Rockwell Interational Corp.) flow' conditions and approximately indicates immediate flow rates. Aug. 1979 MSC-19346 Vol. 4. No. 1. p. 99 B79.10090 Electronically leveled laser instrument, incorporating special ELECTRICAL INDICATION OF AIRFLOW RATE tiltmeter-controlled laser alignment transit, simplifies alignment C. MURRISH (Life Sciences Engineering) of large structure. System operated from single alignment reference Aug. 1979 tower saves time and costs in assembling of structures. M-FS-23873 Vol. 4, No. 1. p. 92 Adaption of gas-flow measurement technique originally B7910098 developed by C. C. Thomas in 1911 is used for temperature MEASURING THE THICKNESS OF PLASTIC FILMS measurements which are easily converted to electrical signals. K. C. DONOHOE and T. WYDEVEN, JR. Aug. 1979 B79-10091 ARC-11219 Vol. 4, No. 1, p. 100 NONDESTRUCTIVE PULL TESTER Optical instrument measures thickness of translucent and A. LEVY (Hughes Aircraft Co.) transparent sheets in thickness range from 2 to 8 microns by Aug. 1979 monitoring attenuation of light as it passes through sheet. MSC-18329 Vol. 4, No. 1. p. 93 Quality control of welded electric wires is improved with 879-10099 easy-to-use tool applying small constant pull force to weldment TROUBLESHOOTING PLATED-WIRE MEMORIES (typically less than one-twentieth force required to pull weld C.M. BAKER (Honeywell. Inc.). T. M. BRIGHT (Honeywell, Inc.), apart). and R. C. CONSTABLE (Honeywell. Inc.) Aug. 1979 B79-10092 M-FS-23903 Vol. 4. No. 1, p. 100 PUSH TEST FOR SWITCH WELDS Faults in plated wire memories are identified and located C.J. TORBORG (Honeywell. Inc.) from outside of system by applying electrical impulses and Aug. 1979 analyzing their reflectance in technique of Time-Domain Reflec- M-FS-25027 Vol. 4, No. 1. p. 94 tometry (TDR). Intermittent faults are easier to find because Pencil-like tool that applies low predetermined force, may memory system is not disturbed by probing or disassembly. be used to individually test switch welds for identification of poor or marginal welds without harming good ones. B79-10100 B79-10093 DETERMINATION OF TOTAL SURFACE REFLECTIVITY CHECKING WELD PENETRATION D.J. DESMET (Univ. of Alabama). A. J. JASON (Univ. of Alabama). D. I. MACFARLANE (Rockwell International Corp.) and A. C. PARR (Univ. of Alabama( Aug. 1979 Aug. 1979 M-FS-19395 Vol. 4. No. 1. p. 95 M-FS-25024 Vol. 4, No. 1. p. 102 Fused wire in weld root area verifies weld penetration in Method of measuring total reflectance employs relatively electron-beam-welded joints. Method could be used in automotive, inexpensive reflectometer with gold-coated hemispherical reflector. aircraft, and machinery manufacturing when electron-beam- Light sources may be tungsten lamp for visible region, or Globar welds cannot be inspected ultrasonically. lamp for infrared. B79-10094 879-10101 ULTRASONIC GRATING CHECKS ELECTRON-BEAM CHARACTERIZING GLASS FRITS FOR SLURRIES WELDS H. N. NAKANO (Lockheed Missiles and Space Co.) H. A. MITCHELL (Rockwell International Corp.) Aug. 1979 Aug. 1979 MSC-18322 Vol. 4, No. 1. p. 103 M-FS-19422 Vol. 4, No. 1, p. 95 Glass frit can be mixed with consistently reproducible Remote inspection technique uses reflectance of ultrasonic properties even from different batches of glass frit using technique waves from machined steps in root area of electron beam welds to measure one quantity that determines integrated properties to indicate sound or faulty welds. of frit for combination with given liquid.

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B79-10102 for example, thickness of fiberglass parts for boats or automobiles. TEST-CONFIGURATION IDENTIFIERS Technique is particularly useful for sprayed-on insulation. W. D. SUM RALL (IBM Corp.) Aug. 1979 B79-10109 KSC-11087 Vol. 4. No. 1. p 103 BURN-TEST APPARATUS FOR FIBER COMPOSITES Distributed computer system, which allows great deal of W. L. DOWLER. J. D. QUINN. K. N. RAMOHALLI. and D. E. interaction within totally synchronized environment, comprises UDLOCK test system that presents systematic approach for identifying Aug. 1979 test configurations for large complex systems such as submarines, NPO-14578 Vol. 4. No. 1. p. 109 aircraft, or air traffic controllers. Burn-test apparatus made from conductive metal grid and indicator lamp monitors release of conductive carbon fibers from B79-10103 specimen of carbon-reinforced composites exposed to flame. ANTITHEFT CONTAINER FOR INSTRUMENTS Procedure is more sensitive than photographing or physically J. J. KERLEY, JR. trapping and counting fibers. Aug. 1979 GSFC-12399 Vol. 4. No, 1. P,104 B79-10110 Antitheft container is used to prevent theft of calculators, MEASURING MOISTURE IN THE ATMOSPHERE portable computers, and other small instruments. Container design D. L JOHNSON is simple and flexible enough to allow easy access to display or Aug. 1979 See also NASA-TM-78190 (N78-31405) input systems of instruments, while not interfering with power M-FS-25032 Vol. 4. No. 1. p. 110 input to device. Report describes instruments for measuring moisture in air by categorizing instruments according to their thermodynamic, B79-10104 hygroscopic. condensation, absorption, diffusion, and Optical EXTENDING THE RANGE OF LEAK DETECTORS properties. M. E. BURR (Rockwell International Corp.) Aug. 1979 B79-10111 M-FS-19411 Vol. 4, No. 1. p. 105 FRICTION COEFFICIENTS OF PTFE BEARING LINER Pressure-gage calibration, mass-spectrometer leak detector C.M. DANIELS (Rockwell International Corp.) measures leakage rates up to 300 times greater than its normal Aug. 1979 limit. Approach utilizes constant-volume displacement characteris- M-FS-19389 Vol. 4. No. 1. p. 110 tic of mechanical vacuum pump. Vacuum system must be small Data discusses frictional characteristics of PTFE (polytetraf- for calibration measurement validity and reduction of outgassing. luoroethylene) under temperature extremes and in vacuum environment. Tests were also run on reduced scale hardware to determine effects of vacuum. Data is used as reference by 679-10105 designers of aircraft-control system rod-end bearings and for ATTACHING STRAIN TRANSDUCERS TO FRAGILE bearings used in polar regions. MATERIALS M. F. DUGGAN (Lockheed Missiles and Space Co.) B79-10112 Aug. 1979 AIRCRAFT MISSION ANALYSIS MSC-16580 Vol. 4. No. 1. p. 106 D. S. HAUGE (Aerophysics Research Center) and H. L. A-shaped clamp prevents damage to thin, brittle specimens ROSENDAAL (Aerophysics Research Center) and supports displacement transducer away from heated zone. Aug. 1979 Also it defines reference points for strain measurement on LANGLEY-12299 Vol. 4, No. 1. p. 110 specimen surface thus preventing specimen cracking due to Aircraft missions, from low to hypersonic speeds, are analyzed unequal thermal expansion between clamp and holder. rapidly using the FORTRAN IV program NSEG. Program employs approximate equations of motion that vary in form with type of B79-10106 flight segment. Takeoffs, accelerations, climbs, cruises, descents, AUDIBLE MONITOR FOR ELECTROPLATING decelerations, and landings are considered. E. A. BUROWICK (Rockwell International Corp.) Aug. 1979 B79-10113 M-FS-19333 Vol. 4, No. 1. p. 106 DYNAMIC SIMULATION AND STABILITY ANALYSIS 'No buzzer' indicates early problem in electroplating when H. P. FRISCH parts are properly immersed into electroplating bath. Buzzer Aug. 1979 sounds when current flows through part; however, if current is GSFC-12422 Vol. 4. No. 1. p. 111 cut, buzzer stops warning that parts must be removed and Dynamic Interaction Simulation of Controls and Structure refinished thus preventing unnecessary waste of electrical energy (DISCOS) program was developed for dynamic simulation and and labor. stability analysis of passive and actively controlled spacecraft. Program is written in FORTRAN IV for batch execution and B79-10107 requires access to finite-element structures program as NASTRAN INSPECTING CRACKS IN FOAM INSULATION for flexible-body input data. L. W. CAMBELL (Martin Marietta Corp.) and G. K. JUNG Aug. 1979 679-10114 M-FS.23799 Vol. 4. No. 1. p. 107 GODDARD TRAJECTORY DETERMINATION Dye solution indicates extent of cracking by penetrating crack B. DIXON and showing original crack depth clearly. Solution comprised of Aug. 1979 methylene blue in denatured ethyl alcohol penetrates cracks GSFC-11946 Vol. 4. No. 1, p. 112 completely and evaporates quickly and is suitable technique for Goddard Trajectory Determination System (GTDS). programs usage in environmental or structural tests. designed to support Earth, lunar and interplanetary missions are used as research and development tool. Program displays research B79-10108 and development used in trajectory determination, preflight and MEASURING INSULATION THICKNESS postflight analyses, simulation of tracking data, ephemeris D. M. MUNN (Martin Marietta Corp.) generation, and related tasks. Aug. 1979 M-FS-23798 Vol. 4. No. 1. p. 108 B79-1O115 Calibrated eddy-current meter measures thickness of thermal MINICOMPUTER VERSION OF SPAR insulation on metal substrates with specially designed adapters; 0. 0. STORAASLI

27 06 MECHANICS

Aug. 1979 LANGLEY-12391 Vol. 4. No, 2. p. 253 LANGLEY-12370 LANGLEY-12371 Vol. 4, No. 1. p.113 Split-film vector anemometer accurately measures magnitude SPAR (Structural Performance Analysis and Redesign and direction of fluid flow velocity in three-dimensional space using Program), powerful tool for efficiently solving finite-element only one of three split films in three-prong split-film system. structural analysis problems, has been implemented on min- With procedure, one sensor develops all data previously required icomputers. System analyzes stress, buckling, vibration, and by three. thermal loads of large linear finite-element structural models.' B79-10241 B79-10116 TESTING PANELS IN SHEAR AND BIAXIAL COMPRESSION HINGE-CONNECTED RIGID BODIES J. K. NEARY (Rockwell International Corp.) C. E. FLEISCHER and P. W. LIKINS Dec. 1979 Aug. 1979 MSC-16132 Vol. 4, No. 2. p. 254 NPO-11964 Vol. 4, No. 1. p. 113 Hydraulic jacks simultaneously apply torsion, axial compres- Package of subroutines solve minimum dimension sets of sion, and lateral compression to structural panels. Jacks are discrete coordinate equations of motion for arbitrary number of suitable for testing large panels used in aircraft, lightweight trucks. hinge-connected rigid bodies assembled in tree topology. and buses. B79-10117 879-10242 CENTROIDS, MOMENTS, AND RADII OF GYRATION PREDICTING THE WET STRENGTH OF LAMINATES A. W. PATCH A. E. BOHLMAN (McDonnell Douglas Corp.) Aug. 1979 Dec. 1979 LEWIS-12765 Vol. 4. No. 1. p. 114 MSC-18022 Vol. 4, No. 2. p. 255 Computer program finds area, centroid, moments of inertia, Graphite/epoxy strengths at various moisture contents are product of inertia, and radii of gyration of closed curve given in estimated by extrapolating from small data base. With procedure, graphical form such as on engineering drawing or strip chart. massive testing is unnecessary because advantage is taken of System is applicable when finding volume and center of gravity large data base already available for moisture content in laminates. for liquid tanks, or for detecting buoyancy of hull sections. 879-10243 879-10236 NONCONTACT STRAIN MEASUREMENT ACCURATE DETERMINATION OF WORK IN THREE-POINT P. T. BIZON and F. D. CALFO BEND TESTS Dec. 1979 See also NASA-TM-73886)N78-19161) R. J. BUZZARD and D. M. FISHER LEWIS-13091 Vol. 4, No. 2. p. 256 Dec. 1979 See also NA5A-TM-X-73596)N77-19486) Electro-optical extensometer containing optical and electronic LEWIS-13034 Vol. 4. No. 2. p. 249 components measures displacement in simulated turbine blade Article presents procedure where correction curve accounts thermally cycled into and out of hot-gas stream. Innovation is for coincidental displacement and simplifies data analysis in three useful in obtaining accurate strain histories for components point bend test in field of materials testing. Method is applicable subjected to severe thermal environments and other environmental to any test in above field regardless of load displacement. changes. B79-10237 B79-10244 IMPROVED DISPLACEMENT MEASUREMENT IN BEND THERMOGRAPHIC INSPECTION OF WELDED CONTACTS TESTING G. L. WORKMAN (North Alabama Scientific & Engineering R. J. BUZZARD and D. M. FISHER Consultants, Inc.) Dec. 1979 See also NASA-TM-X-73596(N77-19486) Dec. 1979 LEWIS-13035 Vol. 4, No. 2. p. 250 M-FS-25093 Vol. 4. No. 2. p. 257 Removable spacers extend displacement range and increase Good and poor-quality welds are identified by digitized accuracy. Innovation is needed to accurately measure displacement thermography. an approach which improves reliability of solar between ram and load applicator of compression testing arrays on space probes. machine during bend testing. B79-10245 B79-10238 NONDESTRUCTIVE WELD TEST BY HOLOGRAPHY DISPLACEMENT GAGE MODIFIED FOR MULTIPLE M. PERRY (North Alabama Scientific & Engineering Consultants. MEASUREMENTS Inc.) and G. L WORKMAN (North Alabama Scientific & A. J. BUZZARD and D. M. FISHER Engineering Consultants, Inc.) Dec. 1979 See also NASA-TM-73731)N77-30500) Dec. 1979 LEWIS-13036 Vol. 4, No. 2. p. 251 M-FS-23826 Vol. 4, No. 2. p. 258 Clip-in gages used in fracture toughness testing are modified Hologram with magnification locates poorly bonded pads on to permit acquisition of additional displacement data. With solar cell arrays. Innovation is useful for testing assembly of innovation, displacement is measured simultaneously at several large solar-cell arrays accurately and nondestructively. locations on face of test specimen. B79-10246 879-10239 DIAZO TECHNIQUES FOR REMOTE SENSOR DATA MEASURING THE PERMITTIVITY OF GASES AND AERO- ANALYSIS SOLS S. MOUNT (Missouri Univ. - Rolla) and L. E. WHITEBAY (Missouri W. J. TRETT Univ. - Rolla) Dec. 1979 Dec. 1979 See also NASA-CA-2953(N78-17447) KSC-11090 Vol. 4. No. 2. p. 252 M-FS-25110 Vol. 4. No. 2. p. 259 Two-coupler microwave technique measures complex Cost and time to extract land use maps. natural-resource permittivity utilizing waveguide which encloses gas or aerosol. surveys, and other data from aerial and satellite photographs Using technique, blower continuously circulates substances to are reduced by diazo processing. Process can be controlled to keep them homogeneous. enhance features such as vegetation, land boundaries, and bodies of water. 879-10240 IMPROVED SPLIT-FILM VECTOR ANEMOMETER B79-1O247 J. SCHEIMAN A THERMOCOUPLE FOR HOT, OXIDIZING ENVIRONMENTS Dec. 1979 A. V. JENKINS

28 06 MECHANICS

Dec. 1979 879-10254 LANGLEY-12229 Vol. 4. No. 2. p. 260 CHARACTERISTICS OF WING/BODY/TAIL CONFIGURA- Thermocouple enclosed in nonoxidizing thermally conductive TIONS metal provides temperature probe which is made for very hot, M. F. E. DILLENIUS (Nielsen Engineering & Research. Inc.). F. highly oxidizing environments. Approach makes temperature K. GOODWIN (Nielsen Engineering & Research. Inc.). D. M. KLINE measurement in hot, oxidizing atmospheres much easier task. (Nielsen Engineering & Research. Inc.). and M. A. MENDENHALL (Nielsen Engineering & Research. Inc.) B79-10248 Dec. 1979 AIRPLANE STABILITY PROGRAMS FOR POCKET CALCU- ARC-11224 Vol. 4, No. 2. p. 266 LATORS Package of computer programs determine longitudinal W. L SHERMAN aerodynamic characteristics of wing/body/tail combinations Dec. 1979 See also NASA-TM-78678(N78-30138) including effects of nonlinear aerodynamics of components and LANGLEY. 12479 Vol. 4, No. 2. p. 261 interference between components. Three general-use programs and three stability programs are written for pocket calculators. B79-10255 ADVANCED-PANEL PILOT CODE B79-10249 G. R. BILLS (Boeing Commercial Airplane Co.), M. A. EPTON CONTROLLING A WIDE RANGE OF FLOW RATES (Boeing Commercial Airplane Co.). and F. T. JOHNSON (Boeing G. S. PERKINS (Caltech) Commercial Airplane Co.) Dec. 1979 Dec. 1979 NPO-14312 Vol. 4, No. 2. p. 262 ARC-11278 Vol. 4, No. 2. p. 266 Servo-operated valve and two flowmeters allow accurate Numerical research program helps establish proof-of-concept control over 1.900:1 flow-rate range. It was developed as part for newly developed higher-order panel method applicable to of laboratory instrument for measuring properties of confined both subsonic and supersonic flows about nearly-arbitrary aircraft fluids under conditions analogous to those encountered in deep configurations. It is intended to solve variety of boundary-value drilling operations. problems in steady-subsonic or supersonic inviscid flow.

B79-10250 B79-10256 NONINTERFERING SUPPORT FOR AERODYNAMIC ARBITRARY AIRCRAFT-GEOMETRY GENERATOR MODELS C. L W. EDWARDS. W. J. SMALL, and S. H. STACK S. M. DOLLYHIGH, C. M. JACKSON. JR.. and D. S. SHAW Dec. 1979 Dec. 1979 LANG LEY-12515 Vol. 4, No. 2. p. 267 LANGLEY-12441 Vol. 4. No. 2. p. 262 Computer program helps designers to generate detailed Metric half-span support increases accuracy of subsonic and configuration geometry with much flexibility in choices of supersonic wind-tunnel measurements. configurations and details of description. Input requirements, program turnaround time, and costs are kept low. It consists of 1379-10251 routines that generate fuselage and planar-surface (winglike) SOLAR-POWERED JET REFRIGERATOR geometries and routine that determines true intersection of all V. W. CHAI (Caltech) and F. L. LANSING (Caltech) components with fuselage. Dec. 1979 N P0-14550 Vol. 4, No. 2. p. 263 B79-1O257 Design criteria are easily evaluated by tool. Thermodynamic RELIABILITY OF NONDESTRUCTIVE EVALUATION DATA analysis of solar-powered vapor-jet refrigerator combines important J. C. COUCHMAN (General Dynamics Corp.) and B. G. W. YEE performance parameters in nomogram that assist design of (General Dynamics Corp.) practical system. Projected coefficients of performance for different Dec. 1979 ejector configurations, working fluids, and other design variables LEWIS-12908 , Vol. 4, No. 2. p. 267 are easily obtained from nomogram. Program calculates probability of defects at selected confidence levels from nondestructive evaluation data. It provides 879-10252 alternate method of grouping sample data to obtain reasonable ESTIMATING EFFECTS OF ACCIDENTAL PROPELLANT value for lower confidence limit with small sample size. EXPLOSIONS P. M. ORDIN, W. E. BAKER (Southwest Research Center), P. K. KU LESZ (Southwest Research Center), P. K. MOSELEY B79-1O378 (Southwest Research Center). V. B. PARR (Southwest Research IMPROVED FLAW-DETECTION METHOD Center), R. E. AICKER (Southwest Research Center), L. M. A. J. PLATT, JR. VARGAS (Southwest Research Center), and P. S. WESTINE Apr. 1980 LANGLEY-11866 Vol. 4. No. 3. p. 397 Dec. 1979 See also NASA-CR-3023)N79-10226): NASA-CR- Holographic detection of unbonded or delaminated surfaces 134906) N76- 19296) of materials and structures is improved by using helium instead LEWIS-13247 Vol. 4, No. 2. p. 265 Workbook assesses magnitudes and effects of blasts and of air in vacuum test chamber. Helium has index of refraction fragments from ground system explosions. It provides designer closer to vacuum (unity) than air. Therefore changes in chamber and safety engineer with rapid methods for predicting damage pressure during test do not alter index of refraction as much as and hazards from explosions of liquid-propellant and compressed- they do with air. With air, much of detail is lost, particularly in gas vessels used in ground storage, transport, and handling. curved areas. 879-10253 879-10379 FLOW FIELDS IN SUPERSONIC INLETS SOLAR-CELL DEFECT ANALYZER V. L SORENSEN M. K. GAUTHIER (Caltech), E. L MILLER (Caltech), and A. Dec. 1979 SHUMKA (Caltech) ARC-11098 Vol. 4. No. 2. p. 265 Apr. 1980 Flow fields in two and three dimensional axisymmetric NPO-14476 Vol. 4, No. 3. p. 398 supersonic inlets are calculated with computer program that uses Laser-Scanning System pinpoints imperfections in solar cells. method of characteristics to compute array of points in flow Entire solar panels containing large numbers of cells can be field. At each point, local pressure, local Mach number. local scanned. Although technique is similar to use of scanning flow angle. and static pressure are calculated. Program can be electron microscope (SEM) to locate microscopic imperfections, used to design and analyze supersonic inlets by determining it differs in that large areas may be examined, including entire surface compression rates and throat flow properties. 29 06 MECHANICS

Solar panels, and it is not necessary to remove cover glass or 879-10386 encapsulants. DEFLECTOMETER FOR PRECRACKED CHARPY AND JIC BEND TESTS 879-10380 R. T. BUBSEY and M. H. JONES DETECTING LEAKS IN VACUUM BAGS Apr. 1980 E. E. CARLSTROM (Lockheed Missiles and Space Co.. Inc.) LEWIS-13090 Vol. 4, No. 3. p. 404 Apr. 1980 Deflectometer uses ASTM Standard Test E-399 clip-in MSC-18423 Vol. 4, No. 3. p'399 displacement gage as sensing element. Gage is available in most Small leaks in vacuum bag can be readily detected by eye, fracture testing laboratories and has good sensitivity and accuracy. using simple chemical reaction: combination of ammonia and acetic acid vapors to produce cloudy white smoke. Technique B79-10387 has been successfully used to test seam integrity and to identify ZONE-CONTROLLED RESISTANCE HEATER minute pinholes in vacuum bag used in assembly of ceramic tile P. R. BAGWELL (Vought Corp.) heat shield for Space Shuttle Orbiter. Apr. 1980 MSC-16251 Vol. 4, No. 3. p. 406 Geodesic array of heaters powered by separate electrical 879-10381 supply unit and silicon controlled-rectifier (SCR) control unit CRACK-OPENING DISPLACEMENT TRANSDUCER produces controlled temperatures over independent zones. Arrays R. A. SIMONDS (Vought Corp.) conform to and enclose almost any shape with close thermal Apr. 1980 coupling and are programmed to reproduce almost any desired LANGLEY-12485 Vol. 4, No. 3. p. 400 time/temperature distribution. Crack-opening displacement transducer consists of 30 deg cone, coil spring, and linear-displacement transducer. Conical probe B79-10388 is used to measure crack opening. Cone is pressed firmly into ENERGY SAVER FOR INDUSTRIAL LIGHTING crack by spring. As applied load causes crack to open up. cone J. ARLINE (Warren and Williams Associates, Inc.), J. LAPALME is pushed further into it. Movement of cone, and thus crack (Warren and Williams Associates, Inc.). and C. WARREN (Warren growth, is monitored by linear-displacement transducer. Method and Williams Associates, Inc.) gives more accurate measurement of crack-opening displacement Apr. 1980 of very narrow slots. KSC-11103 Vol. 4, No, 3. p. 407 Electronic controller switches lights on or off in response to B79-10382 amount of sunlight available. Is applicable in offices and PEEL TESTING METALIZED FILMS industrial installations where electrical energy is wasted by using L.BIVINS (Rockwell International Corp.) and T. SMITH (Rockwell artificial light in sunlit areas. Device utilizes electronic monitor International Corp.) that varies artificial lighting according to amount of sunlight in Apr. 1980 given area. NPO-14672 Vol. 4, No. 3. p. 401 Flimsy ultrathin sheets are mounted on glass for peel-strength B79-10389 measurements. Technique makes it easier to perform peel tests COMPACT THERMOCOUPLE REFERENCE FOR VACUUM on metalized plastic films. Technique was developed for determin- CHAMBERS ing peel strength of thin (1.000 A) layers of aluminum on Kapton J. C. FAY (Rockwell International Corp.) and J. D. GLOVER film. Previously, material has been difficult to test because it is (Rockwell International Corp.) flimsy and tends to curl up and blow away at slightest disturbance. Apr. 1980 Procedure can be used to measure effects on metalization bond MSC-19651 Vol. 4, No. 3. p. 408 strength of handling, humidity, sunlight, and heat. Self-contained reference installed inside vacuum chamber include its own heater and power controller. Setup is less costly B79-10383 than approach utilizing many thermocouples. GAGE FOR 3-D CONTOURS C. C. HAYNIE (Rockwell International Corp.) B79-10390 Apr. 1980 FIBER-OPTIC PROXIMITY SENSOR MSC-19589 Vol. 4, No. 3. p. 402 A. K. BEJCZY (Caltech), W. A. HERMANN (Caltech), and H. C. Simple gage, used with template, can help inspectors PRIMUS (Caltech) determine whether three dimensional curved surface has correct Apr. 1980 contour. Gage was developed as aid in explosive forming of NPO-14653 Vol. 4. No. 3. p. 408 Space Shuttle emergency-escape hatch. For even greater accuracy, Proximity sensor for mechanical hand of remote manipulator wedge can be made of metal and calibrated by indexing machine. incorporates fiber optics to conduct signals between light source and light detector. Fiber optics are not prone to noise from electromagnetic interference and radio-frequency interference as B79-10384 are sensors using long electrical cables. AUTOMATIC INSPECTION OF SILICON WAFERS M. MARTIN )TAI, Inc.) B79-10391 Apr. 1980 SAFETY SHIELD FOR VACUUM/PRESSURE-C HAM BER M-FS-25124 Vol. 4, No. 3. p. 403 WINDOWS Laser machine scans wafers for contaminating particles which R. A. SHIMANSKY and R. SPENCER cause open circuits, short circuits, and other defects in inte- Apr. 1980 grated circuits and transfers good wafers to integrated circuit GSFC-12513 Vol. 4. No. 3. p. 409 processing equipment. Machine is faster and more accurate than Optically-clear shatter-resistant safety shield protects workers human operator using Iightfield/dark field microscope. from implosion and explosion of vacuum and pressure windows. Plastic shield is inexpensive and may be added to vacuum 879-10385 chambers, pressure chambers, and gas-filling systems. FAIRED INSTRUMENTATION FOR AERODYNAMIC TESTS W. C. LONG and M. L. WILLIAMS B79-10392 Apr. 1980 LIGHTNING PROTECTION FOR AIRCRAFT LANGLEY-11201 Vol. 4. No. 3. p. 404 F. A. FISHER (General Electric Co.) and J. A. PLUMER (Lightning Streamlined package is installed and removed without altering Technologies. Inc.) aerodynamic properties of structure being tested. Method uses Apr. 1980 See also NASA-RP-1008 (N78-11024) lightweight materials so that blade balance is maintained. LEWIS-12981 Vol. 4. No. 3. p. 410

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Reference book summarizes current knowledge concerning B79-10399 potential lightning effects on aircraft and means available to LOW-ASPECT-RATIO WINGS designers and operators to protect against effects. Book is available C. E. LAN (Univ. of Kansas Center for Research. Inc.) and S. C. because of increasing use of nonmetallic materials in aircraft MEHROTRA (Univ. of Kansas Center for Research. Inc.) structural components and use of electronic equipment for control Apr. 1980 of critical flight operations and navigation. LANGLEY-12490 Vol. 4, No. 3. p. 414 Computer program predicts aerodynamic characteristics of 879-10393 wings having attached flow across part of wing and vortex flow FAN NOISE-MODE STRUCTURE IN A DUCT across remainder. Program also uses quasi-vortex lattice method R. A. LOVE (Pratt and Whitney Aircraft Group), G. F. PICKETT to formulate wing boundary conditions. (Pratt and Whitney Aircraft Group), and R. A. WELLS (Pratt and Whitney Aircraft Group) B79-10519 Apr. 1980 See also NASA-CR-135295 (N78-17066); NASA- TRIPLE-EXPOSURE HOLOGRAPHY FOR MATERIALS TESTS CR-135294(N78-17065); NASA-CR-135293 (N78.17064) H. K. LW (Lumin, Inc.) LEWIS-13129 Vol. 4, No. 3. p. 411 Jun. 1980 Two computer programs help analyst meet low-noise limits M-FS-25180 Vol. 4. No. 4. p. 521 on turbofan engines. Microphone Location Program computes Theoretical analysis of technique of triple exposure of optimum locations in turbofan duct for placement of microphones. holographic nondestructive testing shows that significant After tests in first program are run, acoustic phase, amplitude, information can be extracted improving analysis of fringe pattern. and pressure are used as inputs in Modal Calculation Program. B79-10520 B79-10394 RESONANT-FATIGUE CRACKING APPARATUS ELECTRIC-CAR SIMULATION J. P. DORNER, W. S. PIERCE, and J. L. SHANNON, JR. C.P. CHAPMAN )Caltech) and R. A. SLUSSER (Caltech) Jun. 1980 Apr. 1980 LEWIS-13037 Vol. 4, No. 4. p. 522 NPO-14570 Vol. 4, No. 3. p. 411 Apparatus produces controlled surface cracks in test PARAMET, interactive simulation program for parametric specimens. It has been developed and is useful in production of studies of electric vehicles, guides user through simulation by surface cracks of controlled size and shape in fracutre speci- menu and series of prompts for input parameters. Program mens. It consists of specially-designed stand-mounted clamping considers aerodynamic drag, rolling resistance, linear and rotational fixture, commercially available pneumatic actuator, and suitable acceleration, and road gradient as forces acting on vehicle. sound-control mufflers. B79-10395 B79-10521 PHASE CHANGES IN LIQUID FACE SEALS MEASURING ACOUSTIC PROPERTIES OF MATERIALS W. F. HUGHES (Carnegie-Mellon Univ.) AND JET NOZZLES Apr. 1980 P. D. DEAN (Lockheed Aircraft Corp.), H. E. PLUMBLEE (Lockheed LEWIS-12994 Vol. 4, No. 3. p. 412 Aircraft Corp.), and M. SALIKUDDIN (Lockheed Aircraft Corp.) Computer program predicts boiling (phase change) in liquid Jun. 1980 face seals. Program determines if and when boiling occurs, and LEWIS-13265 Vol. 4, No. 4. p. 523 calculates location of boiling interface, pressure and tempera- Method measures acoustic properties of sound-absorbent ture profiles, and load. materials and jet-nozzle system. Advantages of impulse method over other methods are that test time and complication are B79.10396 reduced. Results obtained from impulse method have been COUPLED-CAVITY TRAVELING-WAVE TUBES compared with those from existing methods, both experimental D.J. CONNOLLY and T. A. OMALLEY and theoretical, and show excellent agreement. Apr. 1980 LEWIS-12861 Vol. 4, No. 3. p. 412 879-10522 Computer program is developed for analysis of coupled cavity TIRE-PRESSURE MEASURING CONCEPT traveling waves tubes )TWT's) which are used in variety of radar L 0. ASHMORE (Rockwell International Corp.) and communications applications. Programmers can simulate Jun. 1980 tubes of arbitrary complexity such as input and output couplers MSC-18490 Vol. 4. No. 4. p. 524 and other features peculiar to one or few cavities which may External tire-pressure measuring concept involves device that be modeled by correct choices of input data. applies external load to tire wall to measure its internal pressure. Method promises to be faster than conventional tire-pressure B79-10397 checks, speeding up turnaround time for aircraft. Method prevents NATURAL MODES OF HELICOPTER ROTOR BLADES air leakage that occurs when pressure is measured through tire R. E. MINECK (U.S. Army R&T Labs.) and W. H. WELLER (U.S. valve. Device is used to measure tire pressures on land vehicles. Army R&T Labs.) Apr. 1980 879-10523 LANGLEY-12501 Vol. 4, No. 3. p. 413 SYNTHETIC SEAWATER AS STRESS-CORROSION TEST Computer program based on Holzer- Myklestad approach MEDIUM calculates coupled vertical, horizontal, and torsional characteristics T. S. HUMPHRIES and E. E. NELSON of wide variety of hub and blade configurations of practical interest. Jun. 1980 See also NASA-TM-X-64733(N73-22062) Program is written in FORTRAN IV. M-FS-22706 Vol. 4, No. 4. p. 525 Seawater minimizes pitting corrosion of aluminum-alloy test B79-10398 samples. Of three corrosion-inhibiting methods evaluated using INTERFERING SURFACES IN SUBSONIC, TRANSONIC, (a) chromate inhibitors in saltwater. (b) surface treating sample AND SUPERSONIC FLOW via anodizing or alodine treatment, and (c) synthetic seawater. A. M. CUNNINGHAM. JR. (General Dynamics Corp.) synthetic seawater was most effective test medium, since it is Apr. 1980 more uniform than fresh seawater. LANGLEY-12524 Vol. 4. No. 3. p. 413 Computer program provides analysis method based on 879-10524 kernel-function technique that uses assumed pressure functions DETECTING INSULATION DEFECTS IN METAL/PLASTIC with unknown coefficients. With technique, generalized forces FILMS are calculated in unsteady flow, and pressure distributions are R. N. BUGGLE (Honeywell. Inc.) obtained in steady and unsteady flow. Jun. 1980

06 MECHANICS

M-FS-25127 Vol. 4, No. 4. p. 526 B79-10530 Simple apparatus checks insulation between plastic and metal DETECTOR VERIFIER FOR CIRCUIT ANALYZERS surfaces. Film can be inspected more accurately; apparatus can D. L. POPE (Rockwell International Corp.) and R. L. WOOTERS spot minute electrical contaminants between plastic and metal (Rockwell International Corp.) films. Steel roller connected to high-range ohmmeter is guided Jun. 1980 over entire plastic area of test sample. Roller weighs 2 lbs.(0.9 kg). MSC-19669 Vol. 4. No. 4. p 530 which effectively translates into 250-psi (1.76X10 to 6th power Economical tool checks operation of automatic circuit analyzer. -N/sq ml contact pressure at plastic surface sufficient to locate Each loop is addressed directly from analyzer console by switching microscopic defects. internal analyzer bridge to resistance equal that of connecting cable plus specified limiting test value. Procedure verifies whether B79-10525 detected faults in circuit under test are actually due to analyzer ACOUSTICAL MEASUREMENT SEPARATES CORE NOISE malfunction. Standard-length universal test cables make it possible AND JET NOISE to shift detector tool from cable to cable without resistance S. P. PARTHASARATHY (Caltech) compensation. Jun. 1980 NPO-14698 Vol. 4, No. 4. p. 526 B79-10531 Measuring technique discriminates between jet noise and RUGGED FAST-RESPONSE TEMPERATURE PROBE core noise of jet engine. Results of experimentation confirmed P. L. BAILEY, F. R. LEMOS, and W. C. ROSE that core noise and jet noise can be separated by examining Jun. 1980 cross-correlation of far-field microphone signals and that crossover ARC-11289 Vol. 4. No. 4. p. 531 point between core noise and jet noise moves toward higher Very-sensitive probe uses tungsten sensor wire wrapped velocities at higher angles with respect to jet axis. around to notched electrodes. Design combines ruggedness of earlier but less sensitive probe using very-short sensor wire B79-10526 with very-sensitive but fragile version with sensor wires wrapped ONSITE TESTING OF PRESSURE SAMPLING around non-conducting frames. R. MALLORY (Wyle Laboratories) Jun. 1980 B79-10532 LANGLEY-12428 Vol. 4. No. 4. p. 527 HIGH-TEMPERATURE HIGH-PRESSURE MAGNETIC Portable test instrument containing controller, pressure port PICKUP identification, 5-V power source for transducer excitation, and L. A. AHLBERG (Rockwell International Corp.) and B. R. digital voltmeter to test pressure sampling valves completely, TITTMAN N (Rockwell International Corp.) including leak and plug check before, during, or after installation Jun. 1980 in any location or environment. Controller comprises 117/24- MSC-18389 Vol. 4. No, 4. p. 532 Vac 100-watt transformer, bridge rectifier, capacitive-discharge Magnetic-pickup transducers operate at temperature as high stepper, and constant voltage source for homing sampling valve. as 1.100 C and pressures in excess of 2.5 kilobars. Transducers It also includes 5-V regulated power supply and bipolar digital obtain simulated seismic data in laboratory experiments at high voltmeter having 1 0-uV resolution. temperatures and pressure. They also have potential applications in industrial instrumentation for measurements under similarly B79-10527 difficult conditions. Transducers use high-temperature cement to GRAPHITE/EPDXY-TAPE TEST SPECIMENS bond parts together and high-temperature-insulated copper or J. L. CUPP (Rockwell International Corp.) and F. S. SPEARS aluminum wire for windings. (Rockwell International Corp.) Jun. 1980 B79-10533 MSC-18495 Vol. 4, No. 4. p. 528 CONTROLLING SUBSYNCHRONOUS WHIRL IN TUR- Constructed specimens for tranverse tensile testing of BOPUMPS unidirectional graphite/epoxy tape is tested more accurately than M. D. BLACK (Rockwell International Corp.) and B. F. ROWAN earlier samples. Specimens are made using unsupported adhesive (Rockwell International Corp.) and commercially-available (e.g.. Nomex. or equivalent) honey- Jun. 1980 comb core. Flexible adhesive and dimensionally stable core M-FS-19423 Vol. 4, No. 4. p. 533 eliminate uneven thermal expansion. Tensile strength of tape at Active fluidic dampers are proposed for controlling turbopump- various temperatures becomes direct function of applied shaft whirl. Study indicates that linear variable-bleed detector mechanical stress. and linear bistable amplifier are effective in supplying sizable controlled damping forces. Linear bistable device was considered B79-10528 as simplest and most adequate. 'THREE-DIMENSIONAL' VIBRATION FIXTURE C. A. SCHUMACHER (Martin Marietta Corp.) B79-10534 Jun. 1980 MECHANICAL-LOAD INDICATOR MSC-16305 Vol. 4, No. 4. p. 529 W. T. APPLEBERRY (Rockwell International Corp.) Simple cube-shaped fixture reduces vibration-test time to Jun. 1980 one-third required previously. Three units are supported at once. MSC-19511 Vol. 4. No. 4. p. 534 During one run each unit is tested along one of axes. Units are By rotation of washerlike part, mechanical indicator shows repositioned on second run for tests along different axes. Three when predetermined compression or tension load has been runs complete test: fixture can be set up to test small, reached. Indicator consists of bolt, sleeve, load-indicating washer, lightweight high-production units. and nut. Besides application as load indicator, device has uses as remote indicator of mechanical action. Rotating washer can B79-10529 also act as sequencer, signaling action to begin upon attainment RAPID TESTING OF PULSE TRANSFORMERS of certain load. It can be used, for example, to initiate work J. GRILLO (Singer Co.) cycle after stored energy has been built up in hydraulic or Jun. 1980 pneumatic power equipment. It can also be used as remote, MSC-18202 Vol. 4, No. 4. p. 529 nonelectrical switch in hazardous environments. Quality-control testing of pulse transformers is speeded up by method for determining rise time and droop. Instead of using B79-10535 oscilloscope and square-wave generator to measure these ADJUSTABLE HOLDER FOR TRANSDUCER MOUNTING characteristics directly, method uses voltmeter and sine-wave R. C. DEOTSCH (Rockwell International Corp.) generator to measure them indirectly in about one-tenth time. Jun. 1980 Droop and rise time are determined by measuring input/output MSC-18371 Vol. 4, No. 4. p. 535 voltage ratio at just four frequencies. 32 06 MECHANICS

Positioning of acoustic sensor, strain gage, or similar loads. FRAME 1 computer program analyzes, in both plastic transducer is facilitated by adjustable holder. Developed for and elastic ranges, redundant structures subjected to thermal installation on Space Shuttle, it includes springs for maintaining and mechanical loads. uniform load on transducer with adjustable threaded cap for precisely controlling position of sensor with respect to surrounding B79-10541 structure. AERODYNAMIC PERFORMANCE OF JET-FLAP WINGS G.R. HOUGH (Vought Corp.) B79-10536 Jun. 1980 AN EVALUATION OF LOW-COST PAYLOAD CARRIER ARC-11215 Vol. 4. No. 4. p. 538 V. H. YOST Computer program analyzes performance of jet-flap wings. Jun. 1980 Fast and easy-to-use prediction technique, it generates accurate M-FS-25129 Vol. 4. No. 4. p. 536 solutions for wide range of wing geometries and trailing-edge Payload carrier designed for space vehicles is essentially cargo jet momentum distributions. Analysis is based on optimized carrier that supports, positions, and protects various equipment vortex-lattice approach and results in rapid convergence of both and materials used in conducting experiments in weightless space overall and distributed loadings. environment. Proposed carrier entitled Materials Experiment Assembly II (MEA-11) is considered superior to previously B79-10542 developed models in size, weight, and cost to user. Structure is TRANSONIC FLOW PAST SWEPT WINGS lightweight with insulated exterior and can be custom sized to D. A. CAUGHEY (Cornell Univ.) and A. JAMESON (New York meet user needs. Univ.) Jun. 1980 B79-10537 LANGLEY-12446 Vol. 4, No. 4. p. 539 DETERMINING RADII OF CYLINDRICAL SEGMENTS FLO-22 computer program aids in numerical analysis of R. J. BUZZARD transonic potential flow past lifting, swept wing. FLO-22 uses Jun. 1980 relaxation method to solve finite-difference approximation of LEWIS-12826 Vol. 4. No. 4. p. 536 full-potential equation for transonic flow past configuration Simple method determines either inside or outside radius of consisting of wing or arbitrary planform and dihedral extending cylindrical segment when full diametrical section of material is from symmetry plane or wall. Comparisons of FLO-22 calculated not accessible for caliper measurement or if size, condition, or results with experimental data for both conventional and maneuverability of Cylinder is not amenable to use of template super-critical transport wings show good agreement. or comparator-type devices. Method employs standard micrometer or depth gage with ball-end rod and fixed-length baseplate. Method B79-10543 is more adaptable in variety of situations than are existing methods, TRANSONIC AIRFOIL ANALYSIS AND DESIGN and measurements can be obtained under conditions that may L. A. CARLSON (Texas A. & M. Univ.) be difficult if not impossible using other methods. Jun. 1980 LANGLEY-12354 Vol. 4, No. 4. p. 540 879-10538 TRANDES program provides aircraft engineer with accurate OVERALL LOUDNESS OF STEADY SOUNDS and efficient tool for analysis of steady, irrotational. transonic W. L. HOWES and V. R. CANRIGHT (U.S. Army Research & flow over specified two dimensional airfoil in free air. Program Technology Labs.) is used to design airfoils having prescribed pressure distribution, Jun. 1980 See also NASA- RP- 1001 (N79-25753) including effects of weak viscous interaction. TRANDES yield LEWIS-12914 Vol. 4. No. 4. p. 537 accurate solutions efficiently for biconvex, conventional, and Loudness (in sones) and loudness level (in phons) of any aftcambered airfoils. sound that is steady for tenths of second can be calculated using computer program derived from new operational theory of 879-10544 loudness. Theory is Constructed from psychoacoustic and HELICOPTER SLING LOADS physiological data on mammalian (monkey) auditory systems. J. D. SHAUGHNESSY, K. R. YENNI. and T. N. DEAUX (Sperry Computer program permits prediction of loudness of any steady Rand Corp.) sound including, for example, transportation noises, machinery Jun. 1980 noises, and other environmental noises, with possible additional LANGLEY-12557 Vol. 4. No. 4. p. 540 applications to broadcasting, sound reproduction, establishment Computer program compares various control-system concepts and enforcement of noise laws. for improving handling qualities of single-rotor helicopters carrying relatively-large external sling loads. Computer program 679-10539 developed to test these and other ideas helps to circumvent NONLINEAR STRUCTURAL ANALYSIS expensive prototype and field testing. Comparisons between (1) W. E. HAISLER (Texas A&M Research Foundation) computed data and flight data. (2) simulation-system values Jun. 1980 and flight test data. and (3) pilot evaluations of simulation and M-FS-25122 Vol. 4. No. 4. p. 537 actual-flight conditions are very favorable. Development of computer programs for nonlinear structural analyses has progressed from special application programs to 879-10545 large, generalized programs. AGGIE I program is moderately- WING AND LEADING-EDGE THRUST sized finite-element program that was developed specifically for H.W. CARLSON and R. J. MACK nonlinear structural analysis. It is based on two- and three- Jun. 1980 dimensional isoparametric solid elements. AGGIE I accounts for LANGLEY-12516 Vol. 4, No. 4. p. 541 nonlinearities due to large displacements, large strains and Computer program predicts leading-edge thrust for wings of nonlinear material behavior. arbitrary planform at supersonic speeds. Methods used in program are based on linearized wing theory. Program first calculates B79-1O540 lifting pressures. lift coefficients, drag coefficients, moment REDUNDANT STRUCTURES AT ELEVATED TEMPERA- coefficients, and lift distributions by using aft-element sensing TURES technique. Next, empirical function calculates set of adjusted L. I. GUIDRY (Rockwell International Corp.) and G. H. MINTZ pressure-coefficient locations along leading edge. This information (Rockwell International Corp.) is then used to determine limiting value of singularity parameter Jun. 1980 and value of local leading-edge thrust coefficient. MSC-18476 Vol. 4. No. 4. p. 538 In many structural systems. it is desirable to perform analysis B79-10546 to determine how safe structure is when subjected to 'yielding' SPACECRAFT TRAJECTORY

33 07 MACHINERY

J. L. HORSEWOOD (Business & Technological Systems, Inc.) Aug. 1979 and F. J. MANN (Business & Technological Systems, Inc.) LANGLEY-12280 Vol. 4. No. 1. p. 122 Jun. 1980 Monitor consisting of two concentric disks measures change LEWIS-13248 Vol. 4, No. 4. p. 541 in volume of charge during compression/displacement molding. Two programs. Hiltop I and Hiltop II, generate optimum Device enables operator to decide whether process pressure trajectory data for electric propulsion missions of interest in and temperature are set properly or whether sufficient material exploration of solar system. Propulsion-system logic is activated has been placed in mold. by Single program-input key: program modifications retain Hiltop I within framework of logic, so that Hiltop I input files, will run B79-10124 Hiltop II version and produce identical results as before. REMOVABLE FASTENER FOR INSULATING TILES J. N. BROWN (Rockwell International Corp.). D. H. CADE (Rockwell International Corp.), and H. A. LOGSTON (Rockwell International Corp.) Aug. 1979 07 MACHINERY MSC-16483 Vol. 4. No. 1. p. 123 Fastening device that consists of internally threaded silica insert, silica plug, and molded rubber retainer, seals holes in ceramic tiles securely over wide temperature excursions without cracking from thermal stresses. Device proves useful in high- B79-10118 temperature industrial applications. ENSURING FLAT CUTS IN LONGWALL MINING R. A. CAMPBELL, J. A. CURRIE, E. T. DEATON. and R. A. 879-10125 KISSEL RUBBER VALVE SEAL WITH TOUGH SKIN Aug. 1979 J. W. MARTIN (TRW. Inc.) M-FS-23726 Vol. 4, No. 1. p. 117 Aug. 1979 Minicomputer-controlled towed vehicle automatically deter- LANGLEY-11776 Vol. 4, No. 1. p. 124 mines flatness of wall of coal or other mineral as it is being Cut Curing technique for producing variable viscosity seal has by mining machine and allows machine operator to correct cut hard sealing surface supported by softer rubber. Valve seal is as necessary. Vehicle is used for longwall mining. clamped between two jaws for curing with hotter jaw at temperature of approximately 350 F and lower at room 879-10119 temperature. Result is durable tight valve-seat. FILM-ADVANCE MONITOR F. R. DREISBACK, E. T. FREEMAN. and C. W. STUMP Aug. 1979 879-10126 LANGLEY-12474 Vol. 4, No. 1. p. 118 PARACHUTE DEPLOY/RELEASE MECHANISM Device checks film advancement in remote cameras by adding D. B. ROBELEN optoelectronic sensor and idler sprocket with beam-breaker disk. Aug. 1979 Monitor is helpful to operators of cameras placed in hostile LANGLEY-11575 Vol. 4, No. 1, p. 125 environments. Mechanism operated by signals from single radio-control channel deploy and releases small drogue parachute from flying 879-10120 aircraft. Technique has uses in industrial process control and in PLUG AND DRILL TEMPLATE recreational hobby applications. S.ORELLA (Grumman Aerospace Co.( Aug. 1979 879-10127 MSC-16748 Vol. 4, No. 1. p. 119 REMOVABLE FASTENER FOR LARGE STRUCTURES Device installs plugs and then drills them after sandwich M. D. THU LSON (Martin Marietta Corp.) face sheets are in place. Template guides drill bit into center of Aug. 1979 each concealed plug thereby saving considerable time and M-FS-23990 Vol. 4, No. 1. p. 126 fostering weight reduction with usage of smaller plugs. Frame clamps lateral braces for assembling trusses, scaffolds, and other structures. Although approach originally proposed for B79-10121 assembling antennas and solar arrays in space, method is useful ANTENNA DEPLOYMENT MECHANISM in temporary structures which require fastening before they are C. R. GRIFFIN and W. A. LEAVY permanently welded or bonded. Aug. 1979 GSFC-12331 Vol. 4, No. 1. p. 120 All-mechanical antenna deployment system operates by single B79-10128 cable tensioned by electrically driven drum. Device is comprised QUARTZ BALL VALUE of Set of pulleys fixed to telescoping antenna mast, ratchet C. GOETZ (Motorola. Inc.) and W. M. INGLE (Motorola. Inc.) which prevents premature antenna retraction, and special latch Aug. 1979 which holds antenna in retracted position. NPO-14473 Vol. 4, No. 1. p. 127 Quartz ball valve consisting of two quartz joints sealed B79-10122 back-to-back and seated in quartz sockets perform at temperatures REMOTE MANIPULATOR FOR IC WAFERS of up to 1,250 C and in corrosive chemical environments J. L. HUDGINS without contamination or degradation. Aug. 1979 M-FS-23846 Vol. 4, No. 1. p. 121 879-10129 Mechanical manipulator automatically loads, transports, and METALLIC VIBRATION ISOLATORS unloads silicon wafers between processing stations in large- S. BENADO (Sundstrand Corp.) and K. J. HOTZ. JR. (Sundstrand scale integrated-circuit fabrication facility at Marshall Space Flight Corp.) Center thus eliminating need for human opeators at various Stages Aug. 1979 in processing cycle. It also reduces possibility of wafer contamina- M-FS-23949 Vol. 4 No. 1. p. 127 tion. Woven metallic replacements for rubber isolators withstand heat, vacuum, and thermal shock. Isolators find uses where rubber B79-10123 deteriorates or its mechanical properties are inadequate. Potential VOLUME-CHANGE INDICATOR FOR MOLDING PLASTIC applications are in power generators, vehicles, machinery, and W. C. HELER portable tools.

34 07 MACHINERY

B79-10130 B79-10261 CONTROLLER FOR A STRING ENGINE COMPOSITE BEARING LINERS HAVE SERVICE TEMPERA- A. R. MCDOUGAL TURE OF 600 F Aug. 1979 H. E. SLINEY NPO-14388 Vol. 4, No. 1, p. 128 Dec. 1979 See also NASA-TM-78935 (N78-26445( Hydraulic mechanism enables operator to adjust power and LEWIS-13277 Vol. 4, No. 2, p. 274 rotational direction of output of Stirling engine by applying only Self-lubricating graphite-fiber-reinforced polyimide liners for small force to control lever. Stirling engine has expander and plain bearings raise service temperature from 325 F to 608 F. displacer sections. B79-10262 B79-10131 ALL-METAL MUFFLER FOR DUCTS PRECISION LEVELING OF LARGE MACHINERY P. T. SODERMAN (U. S. Army) and T. D. SCHARTON (Bolt. H. P. PHILLIPS Beranek & Newman. Inc.) Aug. 1979 Dec. 1979 NPO-13257 Vol. 4, No. 1, p. 130 ARC-11159 Vol. 4, No. 2, p. 275 Tool originally developed to level massive circular runners Steel- or aluminum-skinned baffles absorb sound from air on antennas for communicating with space vehicles is modified flowing over them. Because there is no bulk filler, muffler does to accurately align and level other large machines thus proves not collect contaminants. If dirt accumulates on skin, it can be faster and more accurate than surveying technique. washed away without damaging muffler. B79-10132 B79-10263 STIFFNESS AND DAMPING OF ELASTOMERIC 0-RINGS MULTIPURPOSE SEALS FOR PRESSURE VESSELS M. S. DARLOW (Mechanical Technology, Inc.). R. K. MEHTA A. E. BUGGELE (Mechanical Technology. Inc.). and J. SMALLEY (Mechanical Dec. 1979 See also NASA-TM-X-73680 )N77-28493) Technology. Inc.) LEWIS-12944 Vol. 4, No. 2. p. 276 Aug. 1979 see also NASA-CR-135328 (N78-18460) Cryogenic or multipurpose seals made by using new materials. Seal possesses sufficient flexibility to contain high-pressure fluids LEWIS-13079 Vol. 4, No. 1, p. 131 Report presents parameter preturbation test program (using regardless of dimensional changes from eigher pressure and/or nineteen combinations of Test perameters) for elastomeric 0-rings temperature effects. Seal system operates in dual mode. Increased conducting for range of materials, temperatures, amplitudes, pressure supplements total sealing effort of seal system, which squeeze valves, stretch valves, cross-sectional diameters, and self-compensates for thermal contraction. groove widths. Tests data were plotted and Power law lines fitted to sets of data. B79-10264 RETAINERS FOR THREADED PARTS N. M. DAVIS (Bertea Corp.) and J. L. MANN (Bertea Corp.) B79-10133 Dec. 1979 ANNULAR ACOUSTIC LINERS FOR TURBOFAN ENGINES MSC-16198 Vol. 4. No. 2. p. 278 G. L. MINNER and E. J. RICE Retaining ring and fine wire secure nuts or screws reliably. Aug. 1979 Retainer is easy to assemble and to disassemble, even in confined LEWIS-12810 Vol. 4, No. 1, p. 132 areas. Computer Program (written in FORTRAN IV) for design annular acoustic liners for turbofan engines first estimates noise generated B79-10265 by turbofan engine, then permits methodical examination of SIMPLE NOISE SUPPRESSOR FOR VENTED HIGH- alternative choices of noise reduction. PRESSURE GAS A. G. HUFF B79-10258 Dec. 1979 EXTRA-SAFE TRACTOR-TRAILER COUPLING LEWIS-13231 Vol. 4, No. 2. p. 278 W. P. ALBRECHT and R. H. SPARKS Technique significantly reduces noise level. It uses principle Dec. 1979 of overexpansion of supersonic jet to create a multiple, strong FRC-10081 Vol. 4, No. 2. p. 271 shock-wave system in pipe, thereby decreasing exit velocity of Built-in safety mechanism for tractor-trailer 'fifth-wheel' jet and associated jet-mixing noise. coupling keeps rig together in case kingpin failure. Modified coupling utilizes all standard components, such as two wear B79-10266 plates, kingpin, and kingpin latch. It is modified by adding BIFUNCTIONAL GAS-FLOW REGULATOR semicircular lip to top wear plate. matching semicircular slot to E. F. KOCH (Caltech( bottom wear plate, and two latching stop mechanisms. Dec. 1979 NPO-13135 Vol. 4. No, 2. p. 279 B79-10259 Simple modification converts conventional high-pressure LASH-FREE SPHERICAL BEARING regulator to combination pressure-regulator/shutoff valve. L. A. HEIN and W. N. MYERS Modification entails adding second diaphragm and pressure Dec. 1979 compartment. Modified valve is switched between its two M-FS-23447 Vol. 4, No, 2. p. 272 functions by external two-position low-pressure valve. Grooved and chamfered spherical bearing can maintain close contact between its ball and race, even when it is vibrated. B79-10267 Bearing thus eliminates major cause of wear and loosening in EXTENDABLE MAST spherical bearings: pounding of ball on race under vibration. J. V. COYNER. JR. (Astro Research Corp.) and J. M. HEDGEPETH (Astro Research Corp.) 879-10260 Dec. 1979 CRYOGENIC-CONTAINER SUSPENSION STRAP LANGLEY-12078 Vol. 4. No. 2. p. 280 J. W. VORREITER Extendable mast is constructed from mutually supporting Dec. 1979 members that unfold as mast is deployed from compact package. ARC-11157 Vol. 4, No. 2. p. 273 Extendable mast is sturdy and can be compared to conventional Fiberglass/ epoxy supporting strap holds inner shell of rigid structures. cryogenic storage tank away from outer shell. Strap, made of two or more links, reduces heat leakage into cryogenic fluid B79-10268 more efficiently than conventional suspension systems. LOW-COST BORING MILL

07 MACHINERY

R. A. HIBDON (Boeing Services International, Inc.) temperature in electronic circuitry or cryogenic refrigeration Dec. 1979 equipment. KSC-11112 Vol. 4, No. 2. p. 281 Portable unit and special fixture serve as boring mill. Machine. 879-10401 fabricated primarily from scrap metal, was designed and set up COMPACT ROTARY SEQUENCER in about 12 working days. It has reduced setup and boring W. T. APPLEBERRY (Rockwell International Corp.) time by 66 percent as compared with existing boring miles, Apr. 1980 thereby making latter available for other jobs. Unit can be operated MSC-19514 Vol. 4, No. 3. p. 418 by one man. Rotary sequencer is assembled from conventional planetary differential gearset and latching mechanism utilizing inputs and 879-10269 outputs which are coaxial. Applications include automated BOND GRAPH FOR MODELING VALVES AND SWITCHES production-line equipment in home appliances and in vehicles. V. D. GEBBEN Dec. 1979 879-10402 LEWIS-13177 Vol. 4. No. 2. p. 282 SEALED-IN-QUARTZ RESISTANCE HEATER Digital graph element represents two-state devices. It can C. G. MILLER )Caltech) and J. B. STEPHENS (Caltech) be used in modeling mechanical stops, backlash, and other Apr. 1980 discontinuities that occur whenever subsystems are connected NPO-14529 Vol. 4. No. 3. p. 419 or disconnected. Electric resistance quartz heater operates at 1,400 F without developing excessively hot spots that can fail prematurely. Since resistance element is sealed in quartz, heater can be used in 879-10270 hostile environments. Sealed construction also keeps heater from EXTRA-STRONG FLOATING NUTS contaminating heated object. J. F. CHARLES (Rockwell International Corp.) and H. THEAKSTON (Standard Press Steel) B79-10403 Dec. 1979 REMOTELY CONTROLLED LATCH MSC-16938 Vol. 4, No. 2. p. 283 C. J. BARNETT (Rockwell International Corp.). P. CASTIGLIONE Increased bearing area withstands much higher torque than (Rockwell International Corp.), and L. R. CODA (Rockwell previous designs. Floating nut makes it possible to fasten parts International Corp.) on heavy-duty equipment, such as tractors and cranes, even Apr. 1980 though they can be reached for tightening from one side only. MSC-18365 Vol. 4, No. 3. p. 420 Mechanism engages and disengages parallel plates carrying B79-10271 couplings and connectors. Designed to lock items in place for FOLDABLE BEAM handling, storage, or processing under remote control, mechanism R. F. CRAWFORD (Astro Research Corp.) has fail-safe feature which does not allow plates to separate Dec. 1979 See also B77-10424 completely unless both are supported. LANGLEY-12076 Vol. 4. No. 2. p. 284 Articulated beam folds into helix around cylindrical hub B79-10404 without segments becoming twisted. Twisting motion that TORQUE-WRENCH EXTENDER FOR HARD-TO-REACH normally occurs when a structure is folded into helix is undesirable FASTENERS in segmented beam because it complicates joints between S. SELIK (Rockwell International Corp.) and J. A. STEIN (Rockwell segments. - International Corp.) Apr. 1980 B79-10272 MSC-18488 Vol. 4, No. 3, P. 421 ROTATING-SHAFT SEALS Extension kit for torque wrench tightens and loosens captive Innovator not given (Space Propulsion & Power Division of Lewis fasteners in hard-to-reach places. Kit Consists of four universal Research Center) Dec. 1979 See also NASA-SP-8121 socket joints and extender rod enclosed in greased-packed tube. )N78-30584) Extension kit replaces snap-on adapter and flexible drive shaft. LEWIS-13227 Vol. 4, No. 2. p. 285 Monograph organizes and presents significant experience and B79-10405 knowledge accumulated by NASA in development and operational SLIP SENSOR programs. Purpose is to assist designers. It reviews and A. K. BEJCZY )Caltech) assesses current design practices and from them establishes Apr. 1980 quidance for achieving greater consistency in design, increased NPO-14655 Vol. 4, No. 3. p. 422 reliability in end product, and greater efficiency in design effort. Slippage of one surface, relative to another is detected by 'ball bearing' magnetic sensor. Omnidirectional sensor responds B79-10273 to slippage in any direction. Sensor is mounted in 'finger' of AXIAL-FLOW TURBOPUMPS mechanical claw manipulator and signals operator who tightens Innovator not given (Space Propulsion & Power Division of Lewis grip by remote control when object slips. Research Center) Dec. 1979 See also NASA-SP-8125 (N78-31164) 879-10406 LEWIS-13228 Vol. 4, No. 2, p. 286 COUPLER FOR REMOTE MANIPULATORS Monograph organizes and presents significant experience and A. A. RUDMANN knowledge accumulated by NASA in development and operational Apr. 1980 programs. It assists system designers. It reviews and assesses GSFC-12429 Vol. 4, No. 3. p. 423 Current design practices and from them establishes guidance for Reliable, low-cost coupler alines and grasps moving and achieving greater consistency in design, increased reliability in rotating objects. Coupling mechanism may be used in handling end product, and greater efficiency in design effort. of radio-active materials or in underwater explorations and other remote manipulators. B79-10400 AUTOMATIC THERMAL SWITCH B79-10407 J. W. CUNNINGHAM and L. D. WING CENTRIFUGAL RECIPROCATING COMPRESSOR Apr. 1980 W. H. HIGH )Caltech) GSFC-12415 Vol. 4, No. 3. p. 417 Apr. 1980 Automatic thermal switch closes and opens heat-flow path NPO-14597 Vol. 4, No. 3. p. 424 in response to temperature changes. Control is used to regulate Efficient compressor uses centrifugal force to compress gas.

07 MACHINERY

System incorporates two coupled dc motors, each driving separate 879-10414 centrifugal reciprocating-compressor assembly. Motors are FLEXIBLE HEAT-AND-PRESSURE SEAL synchronized to accelerate and decelerate alternately. J. BELLAVIA. JR. (Rockwell International Corp.) and J. 0. KANE (Rockwell International Corp.) 879-104.08 Apr. 1980 ANGULAR-DISPLACEMENT MECHANISM MSC-18134 Vol. 4. No. 3. p 430 J. A. CALVERT Device withstands both heat and pressure and accommodates Apr. 1980 relative motion between seated surfaces. Seal consists of flexible M-FS-23777 Vol. 4. No. 3, p. 424 tube filled with thermally insulating material and coated with Redundant-motor drive system, utilizing two electric motors. pressure resistant materials. generates angular displacement to rotate mechanical or optical components in limited arc. Either motor can drive system while B79-10415 other remains stationary. Since stationary motor is not back-driven, INSULATING SEAL FOR CRYOGENIC-LIQUID TRANSFER system energy requirement is effectively reduced. I. M. KROENKE (Beech Aircraft Corp.) Apr. 1980 KSC-11105 Vol. 4, No. 3. p 431 879-10409 Modification to male bayonet on cryogenic transfer line LONG-WEARING TFE/METAL BEARINGS prevents freezeup of transfer-line coupling and leakage of cryogenic R,. A. BRASS (Rockwell Intern. Corp.( and W. A. GILLON, JR. liquid. Procedure helps leakage in plumbing and other cold fluids. (Rockwell Intern. Corp.) Apr. 1980 B79-10416 MSC-15994 Vol. 4. No. 3. p. 425 CRYOGENIC SEAL FOR INSTRUMENT WIRES Method for making metal/polytetrafluoroethylene (TFE) H. V. MASSEY (Federal-Mogul Corp.) bearing surfaces embeds long-wearing layer of TFE in microscopic Apr. 1980 pits in metal. Technique has potential applications in automotive MSC-18450 Vol. 4, No. 3. p 431 gears, ball joints, and roller chain components. Other applications Seal allows electrical wires to pass directly from sensors are in use of unlubricated bearings in chemical, pharmaceutical, inside of liquid nitrogen storage vessel to outside instruments. and food-processing equipment. No splices or connectors are required, so errors created by contact resistance are avoided. With method, measurements with highly B79-1O410 sensitive instrumentation are made with greater accuracy. POSITIVE ISOLATION DISCONNECT M. V. FRIEDELL (Martin Marietta Corp.) B79-10417 Apr. 1980 See also NASA-CR-144634 )N76-14187) STRONG, CORROSION-RESISTANT ALUMINUM TUBING MSC-16043 Vol. 4, No. 3. p. 426 M. W. REED (Vought Corp.) and F. F. ADAMS (Vought Corp.) Positive-isolation-disconnect (PlO) device with two mating Apr. 1980 halves prevents leakage or spillover when two fluid lines are MSC-18040 Vol. 4, No. 3. p 432 disconnected. Each half has shutoff poppet to stop fluid flow. When aluminum tubing having good corrosion resistance and When flow is shut, poppets are flush against each other, leaving postweld strength is needed, type 5083 alloy should be considered. no space for fluid to remain it. Chemical composition is carefully controlled and can be drawn into thin-wall tubing with excellent mechanical properties. Uses 879-10411 of tubing are in aircraft, boats, docks, and process equipment. HEATED TOOL FOR AUTOCLAVES T. T. SERAFINI. R. D. VANUCCI, P. J. CAVANO (TRW. Inc.), B79-10418 and W. E. WINTERS (TRW. Inc.) DYNAMIC-PRESSURE REGULATOR Apr. 1980 See also NASA-CR-135377 (N78-25132( R. R. WALKER (Rockwell International Corp.) LEWIS-12987 Vol. 4, No. 3. p. 427 Apr. 1980 Components made of composite materials are healed in MSC-18415 Vol. 4, No. 3. p 433 autoclaves by employing electrical resistance heating blankets, Computerized pressure regulator controls gas pressure in fixed thus avoiding need to heat entire autoclave volume. Method volume container, increasing, maintaining, and decreasing pressure provides not only significant energy savings compared to according to programmed instructions. Controller is adaptable to heating entire pressure vessel but offers time savings in accelerated any volume size or shape, and pressure variation may be heat-up and cool-down cycles. synchronized. 79-10419 879-10412 BALANCED-FORCE FLOW-REGULATOR VALVE IMPROVED PISTON RINGS FOR A STIRLING ENGINE W. C. HUBER A. R. MCDOUGAL (Caltech( Apr. 1980 Apr. 1980 MSC-12731 Vol. 4. No. 3. p 433 NPO-14497 Vol. 4. No. 3. p. 428 Valve regulates fluid pressure or flow by means of porous Cast-iron piston rings coated with commercially-available barrier and reduces surfaces exposed to liquid or gas flow that antifriction materials improves cylinder life of high-performance cause unbalanced pressure forces. Applications include hand Stirling engine. Ring is efficient heat conductor between piston valves, spool valves, and other devices that meter or control and cylinder. Device has low thermal expansion which maintains gases or liquids. minimum gap in ring, good radial force characteristics, and essentially indefinite life. 879-10420 IMPROVED WRAP-CURTAIN SEAL 679-10413 P. M. SCHROEDER (Rockwell International Corp.) THERMAL SEAL FOR HIGH AND LOW TEMPERATURES Apr. 1980 J. E. COLLIPRIEST. JR. (Rockwell Intern. Corp.) and D. M. FELL MSC-16647 Vol. 4. No, 3. p 435 (Rockwell Intern. Corp.) Wrapped-curtain thermal seal closes gaps around doors, Apr. 1980 windows, partitions, and other movable assemblies. Designed MSC-16151 Vol. 4. No. 3. p. 429 for simplicity, seal uses no springs or other mechanical devices Composite seal remains flexible between -423 and +500 and is easily installed on already existing structures. F. Due to wide temperature capability seal outperforms conventional elastometic seals used in industrial freezers, environmental B79-10421 chambers, refrigerated trucks and railcars, and aircraft doors. ZERO-LEAK VALVE

01 MACHINERY

W. F. MACGLASHAN, JR. (Caltech( possible applications are in support structures of heavy machinery Apr. 1980 and vehicle engines. Flexible sliding seal is ring about 7 feet in NPO-14717 Vol. 4, No. 3. p 435 diameter and can withstand temperatures up to 1,600 F. Zero-leakage valve has fluid-sealing diaphragm support and flat sievelike sealing surface. Diaphragm-support valve is easy to fabricate and requires minimum maintenance. Potential B79-1O551 applications include isolation valve for waste systems and remote IMPROVED TABLE-SAW GUARD air-actuated valve. Device is also useful in controlling flow of B. R. DUNN (Rockwell International Corp.) and P. P. ZEBUS liquid fluorine and corrosive fluids at high pressures. (Rockwell International Corp.) Jun. 1980 879-10422 MSC-19550 Vol. 4, No. 4. p. 549 SEPARATION REGION ON BOATAIL NOZZLES Guard makes lighter contact on materials being sawed. Cuts J. D. BUTEAU (United Technology Corp.), R. W. KING (United are better controlled, and damages to fragile foam-type materials Technology Corp.), and W. M. PRESZ. JR. (United Technology are reduced. Overhead support makes it possible to perform Corp.) slot and step cuts, and thick materials are pushed under guard Apr. 1980 with less force. Guard is transparent plastic enclosure held by LANGLEY-12453 Vol. 4, No. 3. p 436 side-attached overhead support arm. Computer subroutine package VISCUS offers flow analyst practical engineering computational procedure to model viscous effects of separated reverse flow on afterbody pressures and drag. Program is written in FORTRAN IV. B79-1O552 RECIRCULATING SPRAYER FOR FIBER-FILLED PAINTS B79-10547 A. K. MAJOR (United Space Boosters, Inc.) HIGH-ACCELERATION CABLE DEPLOYMENT Jun. 1980 C. E. BARNS, T. N. CANNING, B. GIN, R. W. KING. and J. P. KSC-11146 Vol. 4. No. 4. p. 550 MURPHY Recirculating paint sprayer applies spray of coarse filler in Jun. 1980 highly volatile solvent. Sprayer was developed for applying ARC-11256 Vol. 4, No. 4. p. 545 insulation material containing epoxy resin, glass fibers, and inert Prototype high-acceleration umbilical-cable deployment allows fillers suspended in chlorinated solvents. Sprayer resists abrasive electrical communication between above-ground instrumentation action of fiberglass filler and chemical activity of solvent. Pump and ballistic projectile below surface. Cable deployment is made and position ensure more uniform pressure at spray gun without up of forebody and afterbody. Forebody can be separated from backpressure regulator, which tended to clog in old sprayer. afterbody by rocket, or they can be fired as unit at target that stops afterbody on impact (forebody would continue, deploying cable). Similar design could be used in study of sea ice and in B79-10553 other surface-penetration studies. SCREW/STUD REMOVAL TOOL K. DANIELS (Martin Marietta Corp.), D. E. HERRICK (Martin B79-1O548 Marietta Corp.), and L ROTHERMEL (Martin Marietta Corp.) A SIMPLE SELF-SEALING PLUG Jun. 1980 E. P. RUPPE (Rockwell International Corp.) M-FS-22957 Vol. 4, No. 4. p. 550 Jun. 1980 Tool removes stubborn panheaded screws or studs where MSC-19635 Vol. 4. No. 4. p. 546 conventional tools would be either too weak or inconvenient to Inexpensive self-expanding plug makes convenient low- use. Screws with damaged heads or slots can also be removed pressure seal. Simple elastomeric plug seals round ports and this way. Tool can be worked with one hand and easily fits holes better than regular cork. Plug is inserted with plastic tool limited-access and blind areas. It can be made in various sizes that squeezes it to diameter smaller than port opening. Once to fit different screwheads. tool is removed, plug self-expands to its original shape, exerting stronger pressure to sealed surface than cork. Plug is less expensive to make than screw-on or cam-expanded seals. B79-10554 B79-10549 A TOOL FOR INSTALLATION AND REMOVAL OF CYLINDRI- MINIATURE MOTOR-DRIVEN INSTRUMENT VALVE CAL BAFFLES H. L. MINKIN A. PESSIN (Rockwell International Corp.) Jun. 1980 Jun. 1980 LEWIS-13195 Vol. 4. No. 4. p. 541 M-FS-19508 Vol. 4, No. 4. p. 551 Valve consists of small geared reversible motor, operated Simple tool based on principle of automobile oil wrench by momentary contact closure, which drives shaft with 0-rings Slips over cylindrical thread-on baffle to install or remove it from placed to seal selected ports. Shaft rotates and also moves baffle assembly. Tool consists of curled metal sheet brazed onto axially, causing ports to be alternately connected and disconnected. handgrip. Handgrip is adapted to be driven by wrench, ratchet, Electrical control of valve is provided by limit switches and relays. extension, torque wrench, or some other convenient tool. Design has advantage over other available valves: less precision Clockwise twist of handgrip, tightens metal sheet around baffle machining of parts is required: machining operations are less to advance it into threaded joint. Counterclockwise twist loosens expensive. Seals are made with 0-rings, which are easily sheet for repositioning or tool removal. replaceable and inexpensive; valve uses less power. It can be used in any application requiring pilot valves for control devices. B79-10555 SIMPLIFIED INSTALLATION OF THRUST BEARINGS B79-1055O N. D. SENSENBAUGH (Rockwell International Corp.) FLEXIBLE SLIDING SEAL Jun. 1980 E. L. WALLENHORST (Rockwell International Corp.( M-FS-19413 Vol. 4. No. 4. p. 552 Jun. 1980 Special handling sleeve, key to method of installing thrust MSC-18461 Vol. 4. No. 4. p. 548 bearings, was developed for assembling bearings on shaft of Circular seal both slides and flexes to accommodate relative low-pressure oxygen turbo-pump. Method eliminates cooling motion between two sealed members. Originally developed for and vacuum-drying steps which saves time, while also eliminating Space Shuttle orbiter, it contains sliding seal to accommodate possibility of corrosion formation. Procedure saves energy because engine gimbaling and flexible seal that absorbs forward motion it requires no liquid nitrogen for cooling shaft and no natural at high thrust of engine heat shield relative to airframe. Other gas or electric power for operating vacuum oven.

08 FABRICATION TECHNOLOGY

FABRICATION TECHNOLOGY C. M. DANIELS, JR. (Rockwell Intern. Corp.) 08 Aug. 1970 M-FS-19330 Vol. 4. No. 1. p. 140 Thin copper electrodeposited layer protects metal parts in environments with which they may be incompatible. Originally B79-10134 developed for main engine of Space Shuttle where high REPAIRING CRACKED GLASS strength nickle alloy bellows must operate in high-pressure D. D. HELMAN (Rockwell International Corp.(. J. W. HOLT hydrogen, technique protects nickel and is unaffected by forming (Rockwell International Corp.) and L. V. SMISER (Rockwell process or subsequent heat treatment and preinstallation International Corp.) processing. Aug. 1979 KSC-1 1097 Vol. 4. No. 1, p. 135 879-10141 Filing procedure consisting of machined lightweight fused- WINDOW WITH INTEGRAL SEAL silica tiles coated with thin-layer of borosilicate glass produces J. M. BEHAR (Rockwell International Corp.) homogeneous seal in thin glass. Procedure is useful in repairing Aug. 1979 glass envelopes. X-ray tub windows. Dewar flasks, and similar MSC-16490 Vol. 4, No, 1. p. 140 thin glass objects. Installation concept needed for air tight, water tight, laminated window does away with 0-rings and sealants needed for effective 879-10135 edge seal. Pliable inner layer of laminating adhesive extends to FIXTURE FOR LIMITED-ACCESS WELDING form built-in gasket. Technique is usable for plastic or glass J. R. TRYON (Rockwell International Corp.) windows where space for gaskets and sealing rings is limited, Aug. 1979 canopies, and shields for military, marine, and land transportation MSC-16698 Vol. 4, No. 1. p. 136 vehicles. Fixture consisting of screw-on expansion clamps and backup bar aligns edges of plates for precision butt welding. Tool holds plates securely, without offset, and allows welding and clamp B79-10142 disassembly to be completed when there is access from only FASTENING HARDWARE TO HONEYCOMB PANELS one side of structure. A. KENGER (Grumman Aerospace Co.) Aug. 1979 B79-10136 MSC-16752 Vol. 4, No, 1. p. 141 GIANT-ELECTRODE WELDER Adhesive bonding reduces likelihood of skin failure due to B. R. ATKINS (Martin Marietta Corp.(. R. A. CHIHOSKI (Martin excessive forces or torques by utilizing an adhesive to honeycomb Marietta Corp.), and F. YASHIRO (Martin Marietta Corp.( skin. Concept is useful in other applications of composites such Aug. 1979 as aircraft, automobiles, and home appliances. LANGLEY-11429 Vol. 4. No. 1, p. 137 Welder produces spot-welds in place of rivets and saves B79-10143 time and money. Unit comprised of conical copper electrode VAPOR-DEPOSITED GRADED-THICKNESS FILMS base diameter of 11.5 ft is also capable of welding very thin, H. HERZIG and R. S. SPENCER hard aluminum alloys. Aug. 1979 GSFC-11806 Vol. 4, No. 1, p. 142 B79.10137 Rotating substrate and slotted mask allow varying film FURNACE BRAZING UNDER PARTIAL VACUUM thickness to be deposited from vapor by exposing film substrate A. D. MCKOWN (Rockwell International Corp.) to metal vapor through circular mask. Useful for fabricating Aug. 1979 variable thickness coatings for controlling thermal, electrical, or M-FS-19363 Vol. 4. No, 1. p. 138 other properties. Brazing furnace utilizing partial-vacuum technique reduces tooling requirements and produces better bond. Benefit in that B79-10144 partial vacuum helps to dissociate metal oxides that inhibit metal APPLYING PHOTOSENSITIVE EMULSIONS TO ENAMEL flow and eliminates heavy tooling required to hold parts together SURFACES during brazing. W. FUHR (U. S. Radium Corp.( Aug. 1979 B79-10138 MSC-18107 Vol. 4. No, 1. p. 143 ROOM-TEMPERATURE BONDING OF THIN PLASTIC Two layers of lacquer solve problem of adhesion to in- SHEETS compatible surface by spraying panels precoated with enamel R. E. FRAZER paint with varying non-clear lacquers. Aug. 1979 NPO-14346 Vol. 4, No, 1. p. 138 Thin sheets of plastic are bonded together, without heat, by B79-10145 depositing metal films on plastic and applying light pressure. PLASTIC FILM INSULATES SOLAR CELLS FROM METAL Films are pressed together at room temperature, technique which SUBSTRATE makes it possible to join organic material without high tempera- T. C. DVORAK (TRW. Inc.) tures necessary for conventional adhesive bonding. Aug. 1979 M-FS-25007 Vol. 4, No. 1. p. 143 B79-10139 Approach uses polyimide film bonded to aluminum plate TEMPORARY INSULATION WITH POLYURETHANE FOAM using epoxy-impregnated fiberglass cloth as insulating layer. A. G. JACKSON (Rockwell International Corp.) and G. LERMA Because film is nonporous, problems due to voids are eliminated. (Rockwell International Corp.) Aug. 1979 879-10146 MSC-18298 Vol. 4, No. 1. p. 139 CUTTING SILICON FOR SOLAR CELLS Masking parts with Tetrafluoroethylene (TFE) tape allows easy E. R. COLLINS removal of insulation; therefore, insulation can be used temporarily Aug. 1979 white testing of parts and then removed for their reworking. NPO-14406 Vol. 4, No, 1. p. 144 Multiple bandsaw blades are used to produce multiple cuts B79-10140 on several silicon boules simultaneously. Method is faster and ELECTROPLATING OFFERS EMBRI'TTLEMENT PROTEC- more reliable than using single saw or multiple-cut reciprocating. TION blades.

39 08 FABRICATION TECHNOLOGY

B19-10147 B79-10279 FIXTURE FOR ASSEMBLING SOLAR PANELS CLEANING CONTAMINATED SUPERALLOY POWDERS P. A. DILLARD (Lockheed Missiles and Space Co.) and W. M. A. E. ANGLIN FRITZ (Lockheed Missiles and Space Co.) Dec. 1979 Aug. 1979 LEWIS-13041 Vol. 4, No. 2. p. 293 NPO-14303 Vol. 4, No. 1, P. 145 Cleaning process reduces level of contaminants in superalloy Vacuum fixture attaches array of silicon solar cells to mounting end product. Procedure has applications to variety of powder plate made of clear glass which holds and protects cells. Glass metallurgy contamination problems. plate transmits, rather than absorbs, solar energy thus cooling cells for efficient operation. Device therefore reduces handling 879.10280 of cells and interconnecting conductors to one operation. CONFINED EXPLOSIVE JOINING OF TUBES L. J. BEMENT 879-10148 Dec. 1979 CMOS CIRCUIT-FABRICATION HANDBOOK LANGLEY-12248 Vol. 4, No. 2. p. 294 D. L. BOULDIN, A. W. EASTES, W. R. FELTNER, B. R. HOLLIS, Technique uses explosive ribbon to join and seal tubes JR.. and D. E. ROUTH hermetically while totally confining explosive products, such as Aug. 1979 See also NASA-TM-78188 (N78-78648) smoke, light, and sound. Only click is audible. Process yields joints of the same strengths as parent metal. M . FS-25034 Vol. 4, No. 1. p. 146 Report describes complementary metal-oxide-semiconductor (CMOS) process used to fabricate integrated circuits at Marshall 679-10281 Space Flight Center. It also presents general discussions of circuit LOW-COST, HIGH-PERFORMANCE SEPARATOR FOR design, mask making packaging, and testing. ALKALINE BATTERIES L. HSU, W. H. PHILLIPP. and D. W. SHEIBLEY Dec. 1979 See also NASA-TP-1407 (N79-21128) B79-10274 LEWIS-12972 Vol. 4. No, 2. p. 295 ROTATABLE FIXTURE FOR SPRAY COATING Ion-transporting polymeric films are fabricated by cross-linking V. KATVALA, E. PORTER, and M. SMITH polyvinyl alcohols in situ. Major advantage of these strong, more Dec. 1979 chemically resistant films separators lies in ease of fabrication. ARC-1111O Vol. 4, No. 2. p. 289 Fixture that rotates about two axes ensures uniform coating 879-10282 and minimizes handling of coated workpiece. Each side of tile SPLICING SINGLE-MODE OPTICAL FIBERS is coated in sequence by moving turntables until surface is R. GOLDSTEIN (Caltech) and W. C. GOSS (Caltech) perpendicular to spray. Process is repeated until desired thickness Dec. 1979 has built up. NPO-14626 Vol. 4. No, 2. p. 296 Approach used to weld multimode fibers has been adapted B79-10275 for more exacting splicing of single-mode fibers. Precision cleaver TOOL CUTS SELF-LOCKING JOINTS IN PLASTICS with tungsten carbide knife edge cuts single-mode optical fibers D. F. GOURLEY, S. C. IRICK. and H. H. MARSHALL for welding. Welding apparatus includes m icromanipulator. Dec. 1979 microscopes, and vacuum chucks. LANGLEY-12427 Vol. 4, No. 2. p. 290 Three lathe tools form different joints in gasket material. 879-10283 HIGH-ENERGY-DENSITY CYLINDRICAL CAPACITORS A. D. PARKER (Hughes Aircraft Co.) and J. A. ZELIK (Hughes 879-10276 Aircraft Co.) FASTENER FOR EASY INSTALLATION AND REMOVAL OF Dec. 1979 See also NASA-CR-135286 (N78-24458): B79- TILES L. H. MALETZ (Rockwell International Corp.) 10284 LEWIS-12999 Vol. 4, No, 2. p. 297 Dec. 1979 Manufacturing technique produces high quality metalized-film MSC-16892 Vol. 4, No. 2. p. 291 Mating strips, one with metal hooks and one with metal cylindrical capacitors of energy density greater than 0.1 J/g loops, allow convenient mounting and removal on many kinds uncased, using either 24-gage polyvinylidene flouride or 14- of modules. Principle is adaptable to applications where shear- gage polycarbonate film. Components are wound wrinkle-free resistant, compliants, removable fastening is needed in hard-to- on hollow PTFE cores, using winding machine that applies constant reach places, especially when attached part is lightly loaded or dynamically controlled tension to film during winding operation. fragile. B79-10284 HIGH-ENERGY-DENSITY FLAT FLEXIBLE CAPACITORS 879-10277 A. D. PARKER (Hughes Aircraft Co.) and J. A. ZELIK (Hughes DISTORTION-FREE FOAMED-PLASTIC PARTS Aircraft Co.) P. A. HOGENSON (Rockwell International Corp.) and R. G. Dec. 1979 See also NASA-CR-135286 1N78-24458l: B79- JACKSON (Rockwell International Corp.) 10283 Dec. 1979 LEWIS. 13000 Vol. 4, No. 2. p. 298 ARC-11233 Vol. 4, No. 2. p. 292 Manufacturing technique produces flat flexible capacitors of In process for molding foamed-plastic products, gases that energy density greater than 0.1 J/g. Exposure of some of metalized are formed as byproducts of foaming reaction escape through surface of each layer provides sufficient film surface to ensure perforated die. Thus, volatiles are not trapped in pockets that good electrical connection to each layer of capacitor. can deform and weaken the molded part. B79-10285 879-10278 REMOVING OVERCOATINGS FROM MICROCIRCUITS VACUUM CASTING OF THICK POLYMERIC FILMS J. G. BELCHER, JR., D. P. NICOLAS. and F. VILLELLA E.F. CUDDIHY (Caltech) and J. MOACANIN (Caltech) Dec. 1979 Dec. 1979 M-FS-23851 Vol. 4, No. 2. p. 299 NPO-14534 Vol. 4, No, 2. p. 292 Silicone resin of elastomer overcoatings are removed more Bubble formation and layering, which often plague vacuum- quickly from microcircuit chips with hot concentrated sulfuric evaporated films, are prevented by properly regulating process acid. Process takes few minutes as compared to day or two, parameters. Vacuum casting may be applicable to forming thick using commercial solvents based on toluene, xylene, and the films of other polymer/solvent solutions. like. Overcoatings are removed to expose circuit for failure analysis.

40 08 FABRICATION TECHNOLOGY

B79-10286 conduits for high-temperature gases, in furnaces, and in other ECONOMICAL SOLDER CONNECTIONS TO THIN FILMS applications involving heat insulation. J. A. BASS and E. M. GADDY Dec. 1979 B79-10427 GSFC-12404 Vol. 4. No. 2. p. 300 DIMPLING AIRCRAFT SKINS FOR COUNTERSUNK-HEAD Soldering procedure, successfully tested for attaching leads RIVETS to silicon solar cells, cover-glasses, is simple, inexpensive, and J. G. BARBOUR very effective in forming stable connection. Procedure uses solder Apr. 1980 of indium alloyed with either silver or tin. LANG LEY-12240 Vol. 4. No. 3. p 442 Inexpensive hand-operated tool is used to dimple airframe B79-10287 skins to receive countersunk-head rivets. Tool replaces bulky LIFT-OFF PROCEDURE IMPROVES PATTERN DEFINITION pneumatic equipment normally used for dimpling and is useful H. J. HOVEL (IBM Corp.) and H. A. HUGGINS (IBM Corp.) for one person operation, thereby saving time and manpower. Dec. 1979 LANGLEY-12392 Vol. 4. No. 2. p. 301 B79-10428 Layer of TiO2, economically deposited during integrated circuit SAFE BENDING OF BORON/ALUMINUM SHEETS fabrication, allows 'nonpattern' metal to be removed cleanly. G. G. LISKAY (Rockwell Intern. Corp.) and S. V. YOSHINO (Rockwell Intern. Corp.) B79-10288 Apr. 1980 QUALITY CONTROL DURING IC PROCESSING MSC-19525 Vol. 4, No, 3. p 442 Innovator not given (Integrated Circuit Engineering Corp.) Dec. Low cost procedure utilizing aluminum backing sheets protects 1979 boron/aluminum sheet from cracking during bending. Process M-FS-25112 Vol. 4, No, 2. p. 302 utilizes inexpensive universal-brake bending dies rather than Manual gives detailed test procedures for controlling special hydroforming dies. silicon-wafer processing in manufacture of integrated circuits. Included among 43 test procedures are: ionic. bacterial, and B79-10429 solids contamination of high-purity water needed for wafer HEAT-SHRINKABLE FILM IMPROVES ADHESIVE BONDS processing: crystallographic reflection. purity, and orientation; J. M. JOHNS (Vought Corp.) and M. W. REED (Vought Corp.) substrate dimensions and finish: thickness of deposited epitaxial Apr. 1980 films: oxide quality: photoresist characteristics: pinholes in MSC-18437 Vol. 4, No. 3. p 443 insulating layers: metallized adhesion; and quality of ohmic Pressure is applied during adhesive bonding by wrapping contact. parts in heat-shrinkable plastic film. Film eliminates need to vacuum bag or heat parts in expensive autoclave. With procedure. B79-10423 operators are trained quickly, and no special skills are required. FIXTURE FOR WINDING TRANSFORMERS M. T. MCLYMAN (Caltech) B79-10430 Apr. 1980 DESIGN RULES FOR CMOS/SOS CIRCUITS NPO-14146 Vol. 4, No. 3. p 439 Innovator not given (Government Systems Division of RCA Bench-mounted fixture assists operator in winding toroid- Corp.) Apr. 1980 shaped transformer cores. Toroid is rigidly held in place as wires M-FS-25132 Vol. 4, No. 3. p 444 are looped around. Arrangement frees both hands for rapid Report presents design rules for advanced-technology winding and untangling of wires that occurs when core is hand integrated circuits made by self-aligned silicongate complementary, held. - metal - oxide - semiconductor/silicon-on-sapphire (CMOS/ SOS- process. B79-10424 FABRICATION OF A PILLOWED AIRBAG B79-10431 L. M. LAMBERT (Rockwell Intern. Corp.) and G. OKAMOTO CMOS/SOS PROCESSING (Rockwell Intern. Corp.) P. RAMONDETTA (RCA Corp.) Apr. 1980 Apr. 1980 MSC-18455 Vol. 4, No. 3. p 439 Rubber airbag composed of many small air 'pillows' is used M-FS-25176 Vol. 4. No. 3. p 444 as cushion for equipment during shipment. Airbag can also be Report describes processes used in making complementary used to apply uniform pressure to plastics or composites during - metal - oxide - semiconductor/silicon-on-sapphire )CMOS/ SOS) integrated circuits. Report lists processing steps ranging curing. from initial preparation of sapphire wafers to final mapping of B79-10425 'good' and 'bad' circuits on a wafer. TECHNIQUE FOR MOUNTING PYROELECTRIC DETECTOR ARRAYS B79-10432 R. A. BRECKENRIDGE, A. L FRIPP. and J. B. ROBERTSON LOW-COST PRODUCTION OF SOLAR-CELL PANELS Apr. 1980 D. B. BICKLER (Caltech). B. D. GALLAGHER (Caltech), and L LANGLEY-12363 Vol. 4, No. 3. p 440 E.SANCHEZ (Caltech) Technique is developed at Langley Research Center for Apr. 1980 mounting pyroelectric detector arrays on silicon integrated circuits. NPO-14453 Vol. 4, No. 3. p 444 Procedure incorporates normal silicon integrated-circuit technology Large-scale production model combines most modern to form quasi-free mounts for detector arrays. Advantages of manufacturing techniques to produce silicon-solar-cell panels of technique include lower cost, better image registration, and low costs by 1982. Model proposes facility capable of opera- improved reliability. ting around the clock with annual production capacity of 20 W of solar cell panels. B79-10426 REPAIRING CERAMIC INSULATING TILES B79-10433 B. R. DUNN (Rockwell Intern. Corp.) and E. L. LAYMANCE RF-SPUTTERED AND ION-PLATED SOLID LUBRICANTS (Rockwell Intern. Corp.) T. SPALVINS Apr. 1980 Apr. 1980 See also NASA-TM-78841 (N78-20333) MSC-18368 Vol. 4, No. 3. p 441 LEWIS-13147 Vol. 4, No. 3. p 445 Fused-silica tiles containing large voids or gauges are repaired Report reviews advances in tribological uses of RF-sputtered without adhesives by plug insertion method. Tiles are useful in and ion-plated films of solid film lubricants (laminar solids, soft

41 08 FABRICATION TECHNOLOGY metals, organic polymers) and wear-resistant refractory com- Jun. 1980 pounds. MSC-16459 Vol. 4. No, 4. p. 558 Stitch-bonded flatpacks are superior to soldered dual-in-lines B79-10434 where size, weight, and reliability are important. Results should PHOTOMASK AND PATTERN PROGRAMS interest designers of packaging for complex high-reliability A. K. KIRSCHMAN (Caltech) electronics, such as that used in security systems, industrial Apr. 1980 process control, and vehicle electronics. NPO-14419 Vol. 4. No. 3. p 446 Package of computer programs helps designers with layout B79-10561 and graphics of photomasks. Photomasks are specifically useful CRIMPED THERMOCOUPLE CONNECTIONS to applications involving fine reproducibility, repetition, and K. L. BILLINGTON (Rockwell Intern., Corp.) and H. S. MAY fabrication on planar surfaces of materials, items fabricated from (Rockwell Intern. Corp.) photomasks include circuit boards, magnetic bubble devices and Jun. 1980 integrated optic circuits. MSC-18489 Vol. 4, No. 4. p. 559 When proper procedures are followed, hand crimping tool B79-10435 makes reliable. low-cost thermocouple connections. Procedure SOLAR ARRA"Y'-..MANUFACTURING INDUSTRY SIMULA- reduces time and expense of splicing solid and stranded platinum TION thermocouple wires. A. G. CHAMBERLAIN (Caltech), P. J. FIRNETT (Caltech). and B. KLEINE (Caltech) B79-10562 Apr. 1980 MULTILAYER METALIZATION OF MOS IC'S NPO-14747 Vol. 4, No. 3. p 446 D. L. BOULDIN, W. A. FELTNER, B. R. HOLLIS, JR., and D. E. Solar Array Manufacturing Industry Simulation )SAMIS) ROUTH program is a standardized model of industry to manufacture Jun. 1980 silicon solar modules for use in electricity generation. Model is M-FS-23541 Vol. 4, No. 4. p. 560 used to develop financial reports that detail requirements, including Modified ion-bombardment technique interconnects MOS amounts and prices for materials, labor, facilities, and equip- circuit elements without affecting circuit parameters. Multilevel ment required by companies. metalization involves: surface treatment prior to metalization; first metalization: metal pattern definition and photoresist removal: B79-10556 dielectric deposition: second metalization: and final dielectric STRESS-RELIEVED SOLDER JOINTS deposition. C. J. ZEMENICK (Rockwell Intern. Corp.) Jun. 1980 879-10563 MSC-14981 Vol. 4, No. 4. p. 555 IMPROVED PROCESS CONTROL FOR VMOS FET'S Mechanical stress on solder joints is reduced by procedure M. D. JHABVALA for soldering electronic components to circuit boards. Procedure Jun. 1980 was developed for radio-frequency (AF) strip-line circuits, for which GSFC-12515 Vol. 4. No, 4. p. 561 dimensions must be carefully controlled to minimize parasitic Method is applied in middle of fabrication process: (a) after capacitance and inductance. Procedure consists of loosening mask region is formed, diffused-boron region is etched: IbI etching component from its mounting after each lead is soldered relieving is left incomplete for ion implantation: (c) boron ions are implanted induced stresses before next soldering step. into region to define accurately crucial geometry of V-groove: (d) groove is etched to completion, forming two well-defined B79-10557 diffusion regions that serve as source and drain of transistor. REPAIRING FLAT CABLES Remaining process is conventional. Innovator not given (Aerospace Division of Honeywell, Inc.) Jun. 1980 B79-10564 LANGLEY-11950 Vol. 4. No. 4, p. 556 SECURING CONNECTOR PINS TO A PC BOARD Simple procedure avoids costly repairs. Cable insulation flaps D. GRAHAM (Sperry Rand Corp.), A. WILKES (Sperry Rand Corp.). are Cut and peeled back to expose conductor fractures. Insulation and J. ZORNS (Sperry Rand Corp.) layers of decreasing size allow cable to flex without overstressing Jun. 1980 mended Connectors. MSC-16059 Vol. 4, No, 4. p. 561 Solder preforms hold pins firmly to withstand repeated B79-10558 insertion and removal of circuit cards. Advantage is excellent SCRATCH ENCOURAGES SELECTIVE DOPING electrical continuity between board circuits and pins. F. Z. HAWRYLO (RCA Corp.) and H. KRESSEL (FICA Corp.) Jun. 1980 B79-10565 LANGLEY-11590 Vol. 4, No. 4. p. 557 IMPROVED SWITCH-RESISTOR PACKAGING Dislocations induced by scratching produce deep narrow A. E. REDMERSKI )Rockwell Intern. Corp.) spikes of zinc diffused in gallium arsenide. Density of defects Jun. 1980 formed locally increases zinc diffusion coefficient. Enhancements MSC-19531 Vol. 4. No, 4. p. 562 by factor of 6 have been observed. Technique works for other Packaging approach makes resistors more accessible and dopants than zinc and for other semiconductors besides GaAs. easily identified with specific switches. Failures are repaired more quickly because of improved accessibility. Typical board includes B79-10559 one resistor that acts as circuit breaker, and others are positioned WIRE STRIPPER PROTECTS CABLE SHIELDING so that their values can be easily measured when switch is M. A. ECONOMU operated. Approach saves weight by using less wire and saves Jun. 1980 valuable panel space. FRC-10111 Vol. 4, No. 4, p. 557 Four-blade stripper removes insulation from end or middle B79-1O566 of wire without damaging shielding. PRECISION SCRIBER R. J. BUZZARD B79-10560 Jun. 1980 STITCH-BOND PARALLEL-GAP WELDING FOR IC CIR- LEWIS-12976 Vol. 4, No. 4, p. 563 CUITS Device scribes fine lines to precise tolerances on flat or P. CHVOSTAL (Odetics, Inc.), J. TUTTLE (Odetics, Inc.), and R. round surfaces. Scriber is used in conjunction with toolmaker's VANDERPOOL )Odetics, Inc.) microscope and will scribe metal of nonmetallic surfaces. When

08 FABRICATION TECHNOLOGY

not in use, scriber is easily retracted or swung Out of way so beam circularity and Outer circle is guide to prevent beam from microscope can be used for other purposes. cutting workpiece clamp. Precise measurement of beam and clamp are required with old reticle. New reticle speeds up electron-beam 879-10567 drilling process by eliminating need to rotate eyepiece to make IMPROVED ACOUSTIC LEVITATION APPARATUS measurements against reticle scale. L. H. BERGE, J. L. JOHNSON, W. A. ORAN, and D. A. REISS Jun. 1980 B79-10573 M-FS-25050 Vol. 4, No. 4. p. 564 REPAIRING SEALING SURFACES ON ALUMINUM CAST- Concave driver and reflector enhance and shape levitation INGS forces in acoustic resonance system. Single-mode standing-wave T. L. HANNA (Rockwell Intern. Corp.) pattern is focused by ring element situated between driver and Jun. 1980 reflector. Concave surfaces increase levitating forces up to factor M-FS-19455 Vol. 4, No. 4. p. 568 of 6 as opposed to conventional flat surfaces, making it possible Approach using stylus nickel plating instead of copper and to suspend heavier Objects. cadmium plating has simplified repair procedure. Damaged sealing surfaces are stylus nickelplated in one step. Superficial scratch- B79-10568 es and porous areas are removed more easily from repaired A PLASMA-SPRAYED VALVE COATING surface by simply lapping sealing areas to required finish. Although A. BRENNAN (Rockwell Intern. Corp.) and A. B. OLMORE method is aimed for aerospace components, it may be easily (Rockwell Intern. Corp.) incorporated into conventional aluminum casting technology. Jun. 1980 One-step repair can be considered for cast-aluminum automobile M-FS-19494 Vol. 4, No. 4. p. 565 and aircraft engines to reduce time and costs. Need to reduce wear on nickel alloy seats and poppets for Space Shuttle main engine led to fused cobalt/tungsten carbide 879-10574 coating. Coating, which is dense, wear-resistant, and nonporous. PROTECTING BRAZING FURNACES FROM AIR LEAKS can be applied in controlled amounts to various substrate C. T. ARMENOFF (Rockwell Intern. Corp.) and R. D. MCKOWN configurations. Ease of application to parts with intricate shapes (Rockwell Intern. Corp.) and contours should make coating useful in automotive and Jun. 1980 aircraft manufacturing. M-FS-19379 Vol. 4. No, 4. p. 569 Inexpensive inert-atmosphere shielding protects vacuum 879-10569 brazing-furnace components that are likely to spring leak. INHIBITING OXIDATION OF TUNGSTEN AT HIGH TEMPER- Pipefittings, gages. and valves are encased in transparent plastic ATURES shroud inflated with argon. If leak develops, harmless argon will J. LOMBARD (Rockwell Intern. Corp.) and M. MOYNAHAN enter vacuum chamber, making it possible to finish ongoing brazing (Rockwell Intern. Corp.) or heat treatment before shutting down for repair. Jun. 1980 M-FS-19347 Vol. 4. No. 4. p. 565 B79-10575 Coating of mixed ceramics protects tungsten from oxidation. AN IMPROVED WELDING-ARC STARTER Originally suggested for critical tungsten components on Space T. J. TAUFER (Rockwell Intern. Corp.) Shuttle, mixture Consists of 98.5 percent aluminum oxide and Jun. 1980 1.5 percent silicon dioxide. It is particularly useful in welding MSC-17415 Vol. 4, No. 4. p. 570 when there is danger that welding arc can burn adjacent Simple circuit modification makes pulse-arc starters more components. If coating is applied to nearby tungsten parts, it reliable at low currents. Once arc is started, it is maintained at prevents arcing. lower voltage level that in previous arrangement due to sufficient concentration of metallic vapor between electrode and working B79-10570 surface as result of improved conduction. ELECTRODEPOSITION PROCESS REDUCES COST OF COLD PLATES B79-10576 E. P. RUPPE (Rockwell Intern. Corp.) MICROSCOPE FOR HIGH-TEMPERATURE WELDING Jun. 1980 0. E. ACCOUNTIUS (Rockwell Intern. Corp.) MSC-19524 Vol. 4, No. 4. p. 566 Jun. 1980 Efficient nickel heat-exchanger cold plates can be fabricated MSC-19572 Vol. 4. No. 4. p. 571 less expensively than stainless steel plates. If adapted to mass Dark glass in eyepieces lets welder look at fine parts without production, it is estimated that nickel cold plates might be made eye damage. Previously welder had to repair barely visible crack for about 30 percent less than stainless-steel plates. without magnification. because necessary goggles kept eyes too far from microscope eyepieces. B79-10571 TUBE-SHAPE VERIFIER B79-10577 A. N. ANDERSON (Rockwell Intern. Corp.) and C. R. CHRIST BRAZING TITANIUM TO STAINLESS STEEL (Rockwell Intern. Corp.) R. I. BATISTA (TRW. Inc.) Jun. 1980 Jun. 1980 MSC-19623 Vol. 4, No. 4. p. 567 LANGLEY-11441 Vol. 4, No. 4. p. 571 Inexpensive apparatus checks accuracy of bent tubes. Titanium and stainless-steel members are usually joined Assortment of slotted angles and clamps is bolted down to flat mechanically for lack of any other effective method. New approach aluminum plate outlining shape of standard tube bent to using different brazing alloy and plating steel member with nickel desired configuration. Newly bent tubes are then checked against resolves problem. Process must be carried out in inert atmosphere. this outline. Because parts are bolted down, tubes can be checked very rapidly without disturbing outline. One verifier per tube- B79-10578 bending machine can really speed up production in tube-bending SWITCHBOX FOR WELDING TORCHES shop. R. K. BURLEY (Rockwell Intern. Corp.) Jun. 1980 B79-10572 M-FS-19364 Vol. 4. No. 4. p. 572 ADJUSTING AN ELECTRON BEAM FOR DRILLING Switchbox can be used to change from one welding torch C. L CHILDRESS (Rockwell Intern. Corp.) setup to another without stopping production line. Simple flip Jun. 1980 of switch connects gas. water, and power to selected torch. In M-FS-19326 Vol. 4, No. 4. p. 568 conventional systems, production must be stopped so that Reticle contains two concentric circles: inner circle insures maintenance people can disconnect and reconnect another torch.

43 08 FABRICATION TECHNOLOGY

B79-10579 M.FS-25083 Vol. 4. No. 4. p. 577 THERMAL JACK Electromagnetic Curing is used to bond strain gage to aluminum C. T. ARMENOFF (Rockwell Intern. Corp.) and R. D. MCKOWN tensile bar. Electromagnetic energy heats only plastic/metal (Rockwell Intern. Corp.) interface by means of skin effect, preventing degradation of Jun. 1980 heat-treated aluminum. Process can be easily applied to other M-FS-19365 Vol. 4, No. 4. p. 572 metals joined by high-temperatu re-cu ring plastic adhesives. Auxiliary furnace tool forces part to match length of mating part during brazing. As brazed assembly cools, jack contracts B79-10586 faster and disengages from fitting studs. STRUCTURALLY-CONTINUOUS COMPOSITE CORNERS A. C. JACKSON (Lockheed Aircraft Corp.) and J. A. VANHAMERS- B79-10580 VELD (Lockheed Aircraft Corp.) VIEWING ELECTRON-BEAM WELDS IN PROGRESS Jun. 1980 C.T. ARMENOFF (Rockwell Intern. Corp.) LANG LEY-11942 Vol. 4, No. 4. p. 578 Jun. 1980 Flat composite materials are Cut at certain angles to form M-FS-19364 Vol. 4. No. 4. p. 573 boxes with corners as thick as walls. Patterns produce uniform With aid of optical filter, operator of electron-beam welding corners, and cuts are structured so that shear loads are transferred machine can view TV image of joint that is being welded and from ply to ply instead of across one surface. can make corrections as necessary. Operator can see when weld bead gets Out of alignment, for example, and compensate for B79-10587 deflection of electron beam caused by changes in magnetic field. REMOVING BONDED SKIN FROM A SUBSTRATE E.N. CHARTIER (Rockwell Intern. Corp.) B79-10581 Jun. 1980 WELDING MULTIPLE PLIES WITH AN ELECTRON BEAM MSC-19664 Vol. 4, No. 4. p. 579 F. J. KILUK (Rockwell Intern. Corp.) Metal skin is peeled off like sardine-can cover with key. Jun. 1980 Method is useful in removing bonded skins from any substrate M-FS-19428 Vol. 4, No. 4, p. 574 where substrate is strong enough not to buckle or tear when Method for electron-beam welding of multi-ply metal sheets bonded skin is rolled free. Also, it is useful for removing sections eliminates ply separation and minimizes porosity. Method was of damaged skin where bladders of other equipment below developed for assembling bellows made of four plies of iron/nickel substrate might be damaged if saw or router were used to cut alloy sheets. Method consists of making successive stitch welds completely through skin. with electron beam until weld seam is completely filled in and all plies have been penetrated. B79-10588 ARC-TERMINATION CRACKS IN INCONEL 718 AND B79-10582 INCOLOY 903 BONDING SOFT RUBBER OR PLASTICIZED ELASTOMERS E. BAYLESS, J. MCCAIG. and R. POORMAN TO METAL Jun. 1980 J. M. CLEMONS, F. E. LEDBETTER. III, and W. T. WHITE M-FS-25089 Vol. 4, No. 4, p. 579 Jun. 1980 Four-phase study was launched to determine welding M-FS-25181 Vol. 4, No. 4. p. 574 conditions conductive to crater cracks and to establish procedures Approach using bond-cover coat of unplasticized rubber for fixing them. Results of study are published in brief report. between soft rubber and adhesive eliminates diffusion problem. Approach is useful in making improved seals in automobile B79-10589 engines, industrial and public plumbing, and in other areas using COST SAVINGS IN LSI FABRICATION soft-rubber-to-metal bonds. Seals and gaskets made this way R. P. HIMMEL (Hughes Aircraft Co.). S. SALMASSY (Hughes would not have to be replaced very often, reducing cost of Aircraft Co.). and S. M. STUHLBARG (Hughes Aircraft Co.) maintenance. Jun. 1980 M-FS-25079 Vol. 4. No. 4. p. 580 B79-10583 One year study program was divided into three tasks: to VACUUM-AND-PRESSURE LAMINATING POLYMER identify costs factors involved in packaged electronic subsystems MATERIALS as function of LSI density and reliability: to select most D. R. HOFFMAN and T. J. RILEY promising factors that might be modified to reduce costs in Jun. 1980 high-density packaging: and to investigate cost-saving beam tape LEWIS-12721 Vol. 4. No. 4. p. 575 technology for producing high-volume discrete-device packages. Lamination setup is used to produce void-free bonds by Results are published in 67 page report. first employing vacuum to outgas materials and adhesive at temperature below curing temperature and then subjecting assembly to pressure and temperature necessary to cure. B79-10584 09 MATHEMATICS AND EVACUATED-DISPLACEMENT COMPRESSION MOLDING W. C. HEIR INFORMATION SCIENCES Jun. 1980 LANGLEY-12523 Vol. 4, No. 4. p. 576 Compression-molding process comprises: loading molding compound: evacuation: applying pressure to shape softened compound: further compressing while using Compound as 879-10149 hydraulic fluid: and applying heat and pressure for cure. Major ESTIMATING THE COST OF PRODUCTION STOPPAGE advantage of method is that it prevents increase in cavity volume L M. DELIONBACK (sporadic or general) throughout transformation phase of molding. Aug. 1979 See also NASA-TM-78131 (N77-34044) M. FS-23884 Vol. 4, No. 1. p. 149 B79-10585 Estimation model considers learning curve quantities, and ELECTROMAGNETIC BONDING OF PLASTICS TO ALUMI- time of break to forecast losses due to break in production NUM schedule. Major parameters capable of predicting costs are A. T. SHEPPARD (Martin Marietta Corp.) and L. SILBERT (Martin number of units made prior to production sequence, length of Marietta Corp.) production break, and slope of learning curve produced prior to Jun. 1980 break.

44 09 MATHEMATICS AND INFORMATION SCIENCES

B79-10150 highest average annual consecutive 3-year salary, length of service INEXPENSIVE LAND-USE MAPS EXTRACTED FROM including credit for unused sick leave, amount of deposit and SATELLITE DATA redeposit plus interest. T. W. BARNEY (Missouri Univ.). D. J. BARR (Missouri Univ.). C. D. ELIFRITS (Missouri Univ.), and C. J. JOHANNSEN (Missouri B79-10292 Univ.) MULTIPURPOSE INTERACTIVE NASA INFORMATION Aug. 1979 SYSTEM M-FS-25111 Vol. 4, No. 1. p. 150 J. M. HILL (Computer Sciences Corp.). R. L. KEEFER (Computer Satellite images are interpretable with minimal skill and Sciences Corp.). D. R. SANDERS (Computer Sciences Corp.). equipment by employing method which uses false color composite and R. N. SEITZ )Computer Sciences Corp.) print of image of area transmitted from Landsat satellite. Method Dec. 1979 is effective for those who have little experience with satellite M-FS-23753 Vol. 4, No. 2. p. 307 imagery, little time, and little money available. Multipurpose Interactive NASA Information System (MINIS) is data management system capable of retrieving descriptive data B79-10151 from LANDSAT photos. General enough to be used with other LANDSAT AND WATER POLLUTION user-defined data bases, interactive data management and P. CASTRUCCIO (Ecosystems Intern.. Inc.). T. FOWLER (Ecosys- information retrieval system was especially developed for small tems Intern.. Inc.). and H. LOATS. JR. (Ecosystems Intern.. Inc.) and medium-sized computers. It uses free-form data base that Aug. 1979 allows one to create entirely new and different data bases and M-FS-25099 Vol. 4, No. 1. p. 150 to control format of output products. Report presents data derived from satellite images predicting pollution loads after rainfall. It explains method for converting B79-10293 LANDSAT images of eastern United States into cover maps for MODEL FOR REFINING OPERATIONS Baltimore/five county region. D. N. DUNBAR (Gordian Associates, Inc.) and B. G. TUNNAH (Gordian Associates. Inc.) B79-10152 Dec. 1979 ANALYZING EARTH'S SURFACE DATA LEWIS. 13047 Vol. 4. No. 2. p. 308 D. J. BARR (Missouri Univ.) and C. D. ELIFRITS (Missouri Univ.) Program predicts production volumes of petroleum refinery Aug. 1979 products, with particular emphasis on aircraft-turbine fuel blends M-FS-25051 Vol. 4, No. 1. p. 152 and their key properties. It calculates capital and operating costs Manual discusses simple inexpensive image analysis technique for refinery and its margin of profitability. Program also includes used to interpret photographs and scanner of data of Earth's provisions for processing of synthetic crude oils from oil shale surface. Manual is designed for those who have no need for and coal liquefaction processes and contains highly-detailed sophisticated computer-automated analysis procedures. blending computations for alternative jet-fuel blends of varying endpoint specifications. 879-10153 REDUNDANT SYSTEM RELIABILITY ANALYSIS 879-10436 C.J. MASRELIEZ (Boeing Co.) REVISED ADAGE GRAPHICS COMPUTER SYSTEM Aug. 1979 J. S. TULPPO (Sperry Rand Corp.) LANGLEY-12069 Vol. 4, No. 1. p. 152 Apr. 1980 Computer Aided Redundant System Reliability Analysis LANG LEY-12492 Vol. 4, No. 3. p 449 (CARSARA) program facilitates reliability assessment of fault- Bootstrap loader and mode-control options for Adage Graphics tolerance reconfigurable systems. CARSRA accounts for influences Computer System Significantly simplify operations procedures. from transient faults and is used to model wide range of Normal load and control functions are performed quickly and redundancy management strategies. easily from control console. Operating characteristics of revised system include greatly increased speed, convenience, and B79-10289 reliability. PROGRAMING TECHNIQUES FOR CDC EQUIPMENT J. R. NEWSOM (Vought Corp.) and S. H. TIFFANY )Vought 879-10437 Corp.) COMPILER VALIDATES UNITS AND DIMENSIONS Dec. 1979 See also NASA-CR-3033 (N78-28832) F.E. LEVINE (IBM Corp.) LANGLEY-12486 Vol. 4, No. 2. p. 305 Apr. 1980 Five techniques reduce core requirements for fast batch KSC-11054 Vol. 4. No, 3. p 449 turnaround time and interactive-terminal capability. Same Software added to compiler for automated test system for techniques increase program versatility, decrease problem- Space Shuttle decreases computer run errors by providing offline configuration dependence. and facilitate interprogram communica- validation of engineering units used system command programs. tion. Validation procedures are general, though originally written for GOAL a free-form language that accepts 'English-like' statements, 879-10290 and may be adapted to other programming languages. COMPARING DATA TRANSMISSION SYSTEMS R. F. RICE (Caltech) 879-104.38 Dec. 1979 A FLEXIBLE DATA BASE NPO-14642 Vol. 4, No. 2. p. 305 E.R. COLE (Caltech), S. N. HIGGINS (Caltech). and R. L. WATSON Scheme for coding and compressing data signals for (Caltech) transmission are compared by new analytical technique. Transmis- Apr. 1980 sion rate of several schemes are plotted for direct comparison NPO-13777 Vol. 4, No. 3. p 450 and evaluation. Report describes hierarchical multilevel, multientry-point data file, and methodology of developing such file for unit-record- B79-10291 oriented system. Data base structure was prepared for Goldstone ANNUITY-ESTIMATING PROGRAM Energy Project where it is used in analyzing past energy D.W. JILLIE consumption, predicting future consumption, and aiding design Dec. 1979 of buildings. ARC-11139 Vol. 4, No, 2. p. 307 Program computes benefits and other relevant factors for B79-10439 Federal Civil Service employees. Computed information includes COMPUTING TIME- AND FREQUENCY-DOMAIN ANALYSIS retirement annuity, survivor annuity for each retirement annuity. J. D. BROWNLOW

09 MATHEMATICS AND INFORMATION SCIENCES

Apr. 1980 and analysis can solve both steady-state and transient cases. It FRC-10121 Vol. 4. No. 3. p 451 can also interact with parallel thermal analysis. Computer program Spectrum Analysis is developed to perform wide range statistical-estimation functions. It is rigorous tool for 879-10592 time-and frequency-domain studies. Program is written in GENERALIZED PLOTTING AND CONTOURING PACKAGE FORTRAN IV. D. RUBIN (Computer Sciences Corp.) Jun. 1980 B79-10440 GSFC-12367 Vol. 4, No. 4. p. 584 LINEAR CONTINUOUS AND SAMPLED-DATA SYSTEMS PLOTPAK is complete general purpose plotting and contouring J. W. EDWARDS package. Flexible and easy-to-use system, it produces line- Apr. 1980 printer, television-screen, and DICOMED plots. Plots, from quick FRC-10114 Vol. 4. No. 3. p 451 and simple to complex and sophisticated, can be generated with Program performs general analysis of linear and continuous, only basic knowledge of FORTRAN and PLOTPAK commands. discrete and sampled-data systems using state-variable techniques. Program is especially suited analysis of linearized B79-10593 control system problems. It also can be used to model system VITERBI/ALGEBRAIC HYBRID DECODER described by combination of differential equations and Laplace R. W. BOYD (Mississippi State Univ.), F. M. INGELS (Mississippi transform blocks, such as aircraft control system. State Univ.). and C. MO (Mississippi State Univ.) Jun. 1980 B79-10"1 M-FS-25095 Vol. 4. No. 4. p. 585 MASS PROPERTIES OF A RIGID STRUCTURE Decoder computer program is hybrid between optimal Viterbi J. L. GILBERT, R. A. HULL, and P. J. KLICH and optimal algebraic decoders. Tests have shown that hybrid Apr. 1980 decoder outperforms any strictly Viterbi or strictly algebraic LANGLEY-12454 Vol. 4, No. 3. p 451 decoder and effectively handles compound channels. Algorithm Program MASPROP rapidly calculates mass properties of developed uses syndrome-detecting logic to direct two decoders Complex, rigid structural systems. Its basic premise is that complex to assume decoding load alternately, depending on real-time systems can be adequately described by combination of basic channel characteristics. elementary structural shapes. B79-10442 IMAGE-ANALYSIS LIBRARY Innovator not given (College of Science of Texas A. & M. University) Apr. 1980 MSC-18178 Vol. 4, No. 3. p 452 MATHPAC image-analysis library is collection of general purpose mathematical and statistical routines and special-purpose data-analysis and pattern-recognition routines for image analysis. MATH PAC library consists of Linear Algebra, Optimization, Statistical-Summary, Densities and Distribution, Regression, and Statistical-Test packages. 879-10443 MODERN PROGRAMMING LANGUAGE G. H. FELDMAN (Caltech) and J. A. JOHNSON (Caltech) Apr. 1980 NPO. 14105 Vol. 4. No. 3. p 452 Structural-programming language is especially tailored for producing assembly language programs for MODCOMP II and IV mini-computers. Modern programming language consists of set of simple and powerful control structures that include sequencing alternative selection, looping, sub-module linking, comment insertion, statement continuation, and compilation termination capabilities. 879-10590 OPTICAL COMPARATOR USES HOLOGRAPHIC SUBTRAC- TION D. W. VAHEY (Battelle Memorial Inst.) and C. M. VERBER (Battelle Memorial Inst.) Jun. 1980 See also NASA-CR-2829 (N77-28471) LANGLEY-12126 Vol. 4. No. 4. p. 583 Integrated optical comparator compares reference and signal voltages by their effects on coherent light beam. If both voltages are same, beam is essentially unperturbed. If voltages differ, light is deflected by previously recorded hologram to detector. B79-10591 NUMERICAL ANALYSIS OF COMPLEX FLUID-FLOW SYSTEMS R. L. HOLLAND (McDonnell Douglas Corp.) Jun. 1980 M-FS-25125 Vol. 4, No. 4. p. 584 Very flexible computer-assisted numerical analysis is used to solve dynamic fluid-flow equations characterizing computer- controlled heat dissipation system developed for Spacelab. Losses caused by bends, ties, fittings, valves, and like are easily included,

SUBJECT INDEX Index to NASA Tech Briefs Issue 21

ACTUATORS Wing and leading-edge thrust Controller for a string engine LANGLEY-12516 B79-10545 06 NPO-14388 B79-10130 07 AERODYNAMIC CONFIGURATIONS Analog actuator-piston memory Low-aspect-ratio wings Subject Index MSC-12697 879-10317 02 LANGLEY-12490 879-10399 06 ADAPTIVE FILTERS AERODYNAMIC DRAG The title of each Tech Brief is listed under CMOS analog switches for adaptive Separation region on boattail nozzles several selected subject headings to provide filters LANG LEY- 12453 B79-10422 07 the user with a variety of approaches in his NPO-14442 B79-10307 01 ADDITIVES AERODYNAMIC HEAT TRANSFER search for specific information. The Tech Brief Improved wrap-curtain seal number. e.g.. 879-10044, is located under Scratch encourages selective doping MSC-16647 and to the right of the title and is followed LANG LEY- 11590 879-1055808 879-10420 07 by a two-digit number. e.g.. 03. which desig- ADHESION AERODYNAMIC LOADS nates the subject category in which the entire Peel testing metalized films A closed-loop control-loading system entry can be found. NPO-14672 879-10382 06 LANG LEY- 12167 879-10029 02 ADHESIVE BONDING Noninterfering support for aerodynamic Fastening hardware to honeycomb models panels LANG LEY- 12441 879-10250 06 MSC-16752 879-10142 08 Aerodynamic performance of jet-flap Improved flaw-detection method wings LANG LEY- 11866 879-10378 06 ARC-11215 B79-10541 06 A Heat-shrinkable film improves adhesive AERODYNAMIC NOISE bonds Advanced-panel pilot code ABERRATION MSC-18437 B79-10429 08 ARC-11278 B79-10255 06 Bonding soft rubber or plasticized AERODYNAMICS Improved flight-simulator viewing lens elastomers to metal LANGLEY-12251 879-10044 03 Flow fields in supersonic inlets M-FS-25181 879-10582 08 ARC-11O98 B79-10253 06 ABSORBENTS Vacuum-and-pressure laminating AEROSOLS 'Self-packaging' desiccant polymer materials Thermoluminescence analysis of NPO-14354 879-10068 04 LEWIS-12721 879-10583 08 aerosols ABSORBERS (EQUIPMENT) Electromagnetic bonding of plastics to LANGLEY-12046 879-10208 04 Simple, economical solar collector aluminum Instrument for aerosol characterization M-FS-25109 879-10179 03 M-FS-25083 879-10585 08 NPO-14320 ADHESIVES 879-10209 04 ABSORPTANCE High-temperature adhesives for Measuring the permittivity of gases and Low absorptance porcelain-on-aluminum aerosols polyimide films KSC-11090 coating LANGLEY-12348 879-10214 04 879-1023906 M-FS-23879 B79-10077 04 Heat- and chemical-resistant oxdiazole AFTER BOD IES ABSORPTION SPECTRA elastomers Separation region on boattall nozzles All-electric gas detector ARC-11253 B79-10355 04 LANGLEY-12453 B79-10422 07 NPO-14341 879-10039 03 ADJUSTING AGRICULTURE Precision leveling of large machinery Solar energy for industrial process heat Low-noise spectrophone NPO-14498 879-10064 03 NPO-14362 B79-10040 03 NPO-13257 879-10131 07 AERIAL PHOTOGRAPHY AILERONS ACCESSORIES Electronic pictures from charged-coupled Structurally-continuous composite Attaching strain transducers to fragile devices corners materials GSFC-12324 LANG LEY- 11942 879-1058608 MSC-16580 B79-10105 06 879-10015 02 Film-advance monitor AIR CARGO ACETYLACETONE LANGLEY-12474 879-1011907 Helicopter sling loads Low cost disposal of MMH LANGLEY-12557 879-10544 06 KSC-11135 Analyzing Earths surface data 879-1050304 M-FS-25051 B79-10152 09 AIR CONDITIONING ACOUSTIC ATTENUATION AERODYNAMIC CHARACTERISTICS No-reheat air-conditioning Annular acoustic liners for turbofan Characteristics of wing/body/tail GSFC-12191 879-10330 03 engines configurations Residential solar-heating/cooling LEWIS-12810 B79-10133 07 ARC-11224 system 879-1025406 M-FS-25166 ACOUSTIC MEASUREMENTS Arbitrary aircraft-geometry generator B79-10339 03 Low-noise spectrophone LANGLEV-12515 B79-10256 06 Final report on the concentric-tube solar NPO-14362 879-10040 03 collector Natural modes of helicopter rotor M-FS-25188 ACOUSTIC PROPERTIES blades 879-10342 03 Measuring AIR CONDITIONING EQUIPMENT acoustic properties of LANGLEY-12501 879-10397 06 Ozone inhibits corrosion in cooling materials and jet nozzles Interfering surfaces in subsonic, LEWIS-13265 879-10521 06. towers transonic, and supersonic flow NPO-14340 879-10362 04 ACRYLIC RESINS LANGLEY-12524 879-10398 06 AIR DUCTS Improved flight-simulator viewing lens Transonic flow past swept wings All-metal muffler for ducts LANGLEY-12251 879-10044 03 LANGLEY-12446 B79-10542 06 ARC-11159 879-1026207

I-i

AIR FLOW SUBJECT INDEX

AIR FLOW Precision leveling of large machinery ANGIOGRAPHY Electrical indication of airflow rate NPO-13257 B79-10131 07 Computer measurement of arterial M-FS-23873 B79-10090 06 Adjusting an electron beam for drilling disease Collector performance at various M-FS-19326 B79-10572 08 NPO-14266 B79-10377 05 air-channel depths ALKALINE BATTERIES ANGLES (GEOMETRY) M-FS-25159 B79-10343 03 Low-cost, high-performance separator Angular-displacement mechanism AIR POLLUTION for alkaline batteries M-FS-23777 B79-10408 07 Burning crude oil without pollution LEWIS-12972 B79-10281 08 ANGULAR RESOLUTION NPO-14344 879-10078 04 ALLOYS Azimuth correlator for synthetic aperature Thermoluminescence analysis of Fatigue properties of columbium alloy radar aerosols MSC-18256 879-10225 04 NPO-14019 879-10020 02 LANGLEY-12046 879-10208 04 ANTENNA ARRAYS Instrument for aerosol characterization Composites of immiscible metals Interferometer antenna-array system NPO-14320 B79-10209 04 M-FS-23816 879-10508 04 GSFC-12365 B79-10323 02 Remote measurement of atmospheric ALUMINUM ANTENNA COMPONENTS pollutants Low absorptance porcelain-on-aluminum Antenna deployment mechanism LANGLEY-12277 879-10210 04 coating GSFC-12331 879-10121 07 Monitoring harmful gases M-FS-23879 B79-10077 04 ANTENNA COUPLERS KSC-11086 B79-10211 04 Giant-electrode welder Components for an S-band AIRCRAFT LANG LEY- 11429 B79-10136 08 communication subsystem Aircraft mission analysis ALUMINUM ALLOYS NPO-13955 879-10022 02 LANG LEY- 12299 879-10112 06 Stress corrosion in high-strength ANTENNA DESIGN AIRCRAFT CONFIGURATIONS aluminum alloys Efficient dichroic plate for microwaves Arbitrary aircraft-geometry generator M-FS-23986 B79-10372 04 GSFC-12171 879-10002 01 LANGLEY-12515 B79-10256 06 Strong, corrosion-resistant aluminum Azimuth correlator for synthetic aperature AIRCRAFT DESIGN tubing radar Characteristics of wing/body/tail MSC-18040 B79-10417 07 NPO-14019 B79-10020 02 configurations Safe bending of boron/aluminum Signal separator for dual-frequency ARC-11224 B79-10254 06 sheets antenna Interfering surfaces in subsonic, MSC-19525 879-10428 08 NPO-14022 879-10021 02 transonic, and supersonic flow Shear strength of aluminum fillet welds Dual hybrid mode feed horn LANGLEY-12524 879-10398 06 M-FS-23946 B79-10511 04 NPO-13594 879-10168 02 AIRCRAFT ENGINES Synthetic seawater as stress-corrosion ANTENNA FEEDS Stiffness and damping of elastomeric test medium Low-backlobe microwave transmitting 0-rings M-FS-22706 B79-10523 06 horn LEWIS-13079 B79-10132 07 ALUMINUM OXIDES NPO-14077 B79-10003 01 AIRCRAFT INSTRUMENTS Controlled metal-film deposition on ANTENNA RADIATION PATTERNS LED display for solo aircraft instrument alumina substrates Low-backlobe microwave transmitting navigation ARC-11214 B79-1008004 horn LANGLEY-12292 B79-10023 02 NPO-14077 B79-10003 01 AIRCRAFT NOISE ALUMINUM SILICATES Faired instrumentation for aerodynamic Fibrous refractory composite insulation Analysis of aperture antenna radiation tests ARC-11169 B79-1022404 pattern LANG LEY- 11201 879-10385 06 AMMONIA MSC-16246 B79-10066 03 Fan noise-mode structure in a duct Remote measurement of atmospheric ANTENNAS LEWIS-13129 B79-10393 06 pollutants Efficient dichroic plate for microwaves AIRCRAFT SAFETY LANGLEY-12277 879-10210 04 GSFC-12171 B79-10002 01 Lightning protection for aircraft AMPLIFIERS Signal separator for dual-frequency LEWIS-12981 B79-10392 06 Limiting amplifier for microwaves antenna AIRCRAFT STABILITY MSC-18471 B79-10314 01 NPO-14022 B79-10021 02 Airplane stability programs for pocket Rise-time control in saturated Limited scan dual-band high-gain calculators amplifiers antenna LANGLEY-12479 B79-10248 06 MSC-14934 B79-10452 01 NPO-14038 B79-10167 02 AIRCRAFT STRUCTURES ANAEROBES Wide-beam flush-mounted antenna Laser alignment of large assemblies Fuel gas from biodigestion MSC-16800 879-10169 02 MSC-19346 B79-10097 06 M-FS-23957 B79-10042 03 Extendable mast Giant-electrode welder ANALOG DATA LANGLEY-12078 B79-10267 07 LANG LEY- 11429 B79-10136 08 Obtaining an electrical output from a Low-profile communications antenna Dimpling aircraft skins for mechanical flowmeter MSC-16683 B79-10321 02 countersunk-head rivets M-FS-23958 B79-10087 06 Dual-frequency microwave antenna LANG LEY- 12240 B79-10427 08 ANALOG TO DIGITAL CONVERTERS NPO-13091 879-10322 02 AIRCRAFT TIRES Real-time video-image analysis ANTHROPOMETRY Tire-pressure measuring concept NPO-14282 B79-10018 02 Anthropometric sourcebook MSC-18490 B79-10522 06 Offset compensation for A/D MSC-18500 879-10234 05 AIRFOILS converters ARC WELDING Transonic airfoil analysis and design NPO-13438 B79-10163 01 An improved welding-arc starter LANG LEY- 12354 B79-10543 06 Variable-clock-rate A/D converter MSC-17415 B79-10575 08 AIRFRAME MATERIALS MSC-18541 879-10309 01 Arc-termination cracks in inconel 718 Temperature and moisture analysis in ANALYZERS and incoloy 903 composites Detector verifier for circuit analyzers M-FS-25089 B79-10588 08 LANGLEY-12452 B79-10373 04 MSC-19669 B79-10530 06 AROMATIC COMPOUNDS ALGORITHMS ANALYZING Synthesis of triaryltrifluoroethanes Viterbi/algebraic hybrid decoder Aircraft mission analysis ARC-11097 B79-10217 04 M-FS-25095 B79-10593 09 LANG LEY- 12299 B79-10112 06 ARRAYS ALIGNMENT ANEMOMETERS Limited scan dual-band high-gain Laser alignment of large assemblies Improved split-film vector anomometer antenna MSC-19346 879-10097 06 LANG LEY- 12391 B79-10240 06 NPO-14038 B79-10167 02

1-2

SUBJECT INDEX BONDING

Technique for mounting pyroelectric AUTOMATIC TEST EQUIPMENT Composite bearing liners have service detector arrays Binary synchronous simulator temperature of 600 F LANGLEY-12363 B79-10425 08 KSC-11096 879-1047902 LEWIS-13277 879-10261 07 ARTERIOSCLEROSIS Detector verifier for Circuit analyzers Long-wearing TFE/metal bearings Computer measurement of arterial MSC-19669 879-10530 06 MSC-15994 879-10409 07 disease AUTOMOBILES BELLOWS NPO-14266 B79-10377 05 Use of composites in electric vehicles Welding multiple plies with an electron ASSEMBLING NPO-14615 B79-10226 04 beam Assembling solar-cell arrays Electric-car simulation M-FS-19428 B79-10581 08 NPO-14416 879-10037 03 NPO-14570 879-10394 06 AVALANCHE DIODES BENDING Fixture for assembling solar panels Safe bending of boron/aluminum NPO-14303 B79-10147 08 Fiber-optic crossbar switch KSC-11104 879-10006 01 sheets Switchbox for welding torches MSC-19525 879-10428 08 M-FS-19354 B79-10578 08 Low-noise Current regulator NPO-14070 879-10011 01 Tube-shape verifier ASSEMBLY LANGUAGE JANTX/N937B Zener diode MSC-19623 879-10571 08 Modern programming language M-FS-15247 BENDING FATIGUE NPO-14105 879-10460 01 B79-10443 09 JANTX/N972B zener diode Fatigue properties of columbium alloy ASTRONAVIGATION M-FS-25248 879-10461 01 MSC-18256 B79-10225 04 SKYMAP star catalog BENDING MOMENTS GSFC-12445 879-10205 03 JANTX/N98B Zener diode M-FS-25249 B79-10462 01 Accurate determination of work in ASTRONOMICAL CATALOGS three-point bend tests SKYMAP star catalog JANTX1 N4570A zener diode M-FS-25268 879-10465 01 LEWIS-13034 879-10236 06 GSFC-12445 B79-10205 03 Improved displacement measurement in ASTRONOMICAL PHOTOMETRY AXIAL FLOW PUMPS Axial-flow turbopumps bend testing Sensor/amplifier for weak light sources LEWIS-13035 B79-10237 06 M-FS-25025 B79-10449 01 LEWIS-13228 B79-10273 07 AZIMUTH Deflectometer for precracked charpy and ASTRONOMICAL TELESCOPES jic bend tests High-resolution spectrometer Azimuth correlator design for IC chip NPO-14614 B79-10451 01 LEWIS-13090 879-10386 06 NPO-14372 B79-10328 03 BIBLIOGRAPHIES ATMOSPHERIC MOISTURE An annotated energy bibliography Measuring moisture in the atmosphere LANGLEY-12488 B79-10065 03 M-FS-25032 B79-10110 06 B BINARY ALLOYS ATMOSPHERIC PRESSURE Single-, two-, and three-phase Microwave measurement of atmospheric BACKGROUND NOISE binary-alloy systems pressure Improved InSb photodiode preamplifier LANGLEY-12381 879-10514 04 NPO-14450 B79-10333 03 circuit BINARY DATA ATMOSPHERIC TEMPERATURE NPO-14418 B79-10007 01 Binary-to-Manchester encoders Rugged fast-response temperature BACKLOBES MSC-16546 B79-10157 01 probe Low-backlobe microwave transmitting BIOINSTRUMENTATION ARC-11289 B79-10531 06 horn Coupler for surgery on small animals ATTENUATORS NPO-14077 B79-10003 01 ARC-11114 879-1023005 Low-frequency attenuator circuit BACTERIA BIRTH FRC-11012 B79-10010 01 Fuel gas from biodigestion Monitoring fetal pH by telemetry Voltage-controlled attenuator with low M-FS-23957 879-10042 03 GSFC-12507 B79-10517 05 phase shift Platinum electrodes for electrochemical BOATTAI LS NPO-14347 B79-10301 01 detection of bacteria Separation region on boattail nozzles ATTITUDE (INCLINATION) LANGLEY-12462 879-10228 05 LANGLEY-12453 879-10422 07 Hinge-connected rigid bodies BACTERIOLOGY BODY FLUIDS NPO-11964 B79-10116 06 Identification of micro-organisms Extracting trace substances from ATTITUDE CONTROL MSC-18358 B79-10085 05 biological fluids SKYMAP star catalog BAFFLES MSC-18522 B79-10516 05 GSFC-12445 B79-10205 03 All-metal muffler for ducts BODY KINEMATICS AUDIO FREQUENCIES ARC-11159 879-1026207 Dynamic simulation and stability TV audio and video on the same A tool for installation and removal of analysis channel cylindrical baffles GSFC-12422 B79-10113 06 MSC-16241 879-10017 02 M-FS-19508 879-10554 07 BODY MEASUREMENT (BIOLOGY) AUDITORY DEFECTS BALL BEARINGS Low-dose total-body-calcium analysis Teletype test unit Lash-free spherical bearing MSC-18282 879-10233 05 LANGLEY-12527 B79-10166 02 M-FS-23447 AUDITORY PERCEPTION B79-10259 07 Anthropometric sourcebook Overall loudness of steady sounds BALLS MSC-18500 B79-10234 05 LEWIS-12914 B79-10538 06 Quartz ball value BOILERS AUTOCLAVES NPO-14473 B79-10128 07 Performance test for a solar water Heated tool for autoclaves BEAM SPLITTERS heater LEWIS-12987 B79-10411 07 Fabricating wedge-shaped beam M-FS-25114 879-1005503 AUTOMATIC CONTROL splitters Fluidized coal combustion Multiple-camera automatic controller GSFC-12348 B79-10326 03 NPO-14273 B79-10070 04 LEWIS-12711 B79-10175 02 BEAMS (SUPPORTS) BOLTS Automatic inspection of silicon wafers Foldable beam Retainers for threaded parts M-FS-25124 B79-10384 06 LANGLEY-12076 879-10271 07 MSC-16198 B79-10264 07 AUTOMATIC GAIN CONTROL BEARINGS Extra-strong floating nut' Decision-directed automatic gain Friction coefficients of PTFE bearing MSC-16938 879-10270 07 control liner BONDING NPO-13639 879-10008 01 M-FS-19389 B79-10111 06 Room-temperature bonding of thin Digital automatic gain control Lash-free spherical bearing plastic sheets NPO-14236 879-10304 01 M-FS-23447 879-10259 07 NPO-14346 B79-10138 08

1-3

BONES SUBJECT INDEX

BONES CALCIUM - CATALYSTS Low-dose total-body-calcium analysis Low-dose total-body-calcium analysis Controlled metal-film deposition on MSC-18282 879-10233 05 MSC-18282 679-10233 05 alumina substrates BORING MACHINES CALCULATORS ARC-11214 679:10080 04 Low-cost boring mill Airplane stability programs for pocket Detecting oxygen in hydrogen or KSC-11112 B79-10268 07 calculators hydrogen in oxygen BORON REINFORCED MATERIALS LANGLEY-12479 B79-10248 06 MSC-18380 879-10365 04 Safe bending of boron/aluminum CALIBRATING CAULKING sheets Self-calibrating threshold detector for Heat- and chemical-resistant oxdiazole MSC-19525 B79-10428 08 noisy signals elastomers B79-10355 04 BOU LE S MSC-16370 879-10009 01 ARC-11253 Cutting silicon for solar cells Proposed Josephson voltage standard CENTER OF GRAVITY B79-10146 08 M-FS-23845 B79-10482 03 Accurate measurements of mass and NPO-14406 center of mass BOUNDARY LAYER SEPARATION CALORIMETERS NPO-14428 679-10095 06 Separation region on boattail nozzles Containerless high-temperature Mass properties of a rigid structure LANGLEY-12453 B79-10422 07 calorimeter LANGLEY-12454 879-10441 09 BRAZING M-FS-23923 679-10086 06 CENTRIFUGAL PUMPS Furnace brazing under partial vacuum CAMERAS Centrifugal reciprocating compressor M-FS-19363 879-10137 08 Film-advance monitor NPO-14597 B79-10407 07 Electrodeposition process reduces cost LANGLEY-12474 879-1011907 CENTRIFUGES of cold plates Multiple-camera automatic controller Improved optics for an ultracentrifuge MSC-19524 B79-10570 08 LEWIS-12711 879-1017502 NPO-13657 B79-10375 05 Protecting brazing furnaces from air CANCER CENTROIDS leaks Wideband electronics for ultrasonic Accurate measurements of mass and M-FS-19379 879-10574 08 tissue characterization center of mass Brazing titanium to stainless steel NPO-14461 879-10229 05 NPO-14428 879-10095 06 LANGLEY-i 1441 B79-10577 08 CAPACITANCE Centroids. moments, and radii of Thermal jack Improved insulator layer for MIS gyration M-FS-19365 879-10579 08 devices LEWIS-12765 B79-10117 06 BUBBLE MEMORY DEVICES LANGLEY-12455 B79-10302 01 CERAMIC COATINGS Bubble-domain detector Measuring charge nonuniformity in MOS Low absorptance porcelain-on-aluminum LANGLEY-12241 B79-10306 01 devices coating B79-10077 04 BUDGETING NPO-14585 679-10308 01 M-FS-23879 Annuity-estimating program CAPACITORS Repairing ceramic insulating tiles ARC-11139 879-10291 09 Improved metalized polycarbonate MSC-18368 879-10426 08 capacitor Longer shelf life for ceramic slurries BUILDINGS M-FS-25142 679-10156 01 MSC-18543 879-10510 04 Analysis of building heating and cooling High-energy-density cylindrical Inhibiting oxidation of tungsten at high NPO-14683 B79-10067 03 capacitors temperatures BURNERS LEWIS-12999 879-10283 08 M-FS-19347 879-10569 08 Flat-flame burner High-energy-density flat flexible CERAMICS LEWIS-13161 679-10218 04 capacitors Characterizing glass frits for slurries BURNING TIME LEWIS-13000 679-10284 08 MSC-18322 679-10101 06 Burn-test apparatus for fiber CARBON COMPOUNDS Repairing cracked glass composites Burn-test apparatus for fiber KSC-11097 B79-10134 08 NPO-14578 879-10109 06 composites CERTIFICATION BURNS (INJURIES) NPO-14578 679-10109 06 Certification tests on the solar-powered Microcomputer helps evaluate skin CARBON FIBER REINFORCED Pump burns PLASTICS M-FS-25144 679-10201 03 NPO-14402 679-10082 05 Determining resin/fiber content of Certification of the concentrating solar Improved capacitive EKG electrode laminates collector MSC-18321 B79-10232 05 LANG LEY- 12442 B79-10216 04 M-FS-25220 B79-10345 03 BUTT JOINTS Graphite/epoxy-tape test specimens CHARACTERIZATION Fixture for limited-access welding MSC-18495 B79-10527 06 Characterizing glass frits for slurries MSC-16698 879-10135 08 CARCINOGENS MSC-18322 879-10101 06 BYPASSES Thermoluminescence analysis of CHARGE COUPLED DEVICES Improved isolation in double-balanced aerosols Reliability of imaging CCD's mixers LANG LEY- 12046 679-10208 04 M-FS-25039 679-10013 01 NPO-14415 B79-10012 01 CARDIOVASCULAR SYSTEM Electronic pictures from charged-coupled Trifunctional transducer for myocardial devices monitoring GSFC-12324 679-10015 02 NPO-14329 879-10518 05 CARRIER INJECTION CHARGE DISTRIBUTION Improved degradation resistance of Measuring charge nonuniformity in MOS devices CABLES (AIGa)As lasers LANGLEY-12242 B79-10486 03 NPO-14585 879-10308 01 Cable-fault locator CHARGE TRANSFER KSC-10899 679-10024 02 CASES (CONTAINERS) Antitheft Container for instruments Preionized discharge for Simpler cabling and power link for remote GSFC-12399 879-10103 06 short-wavelength laser readouts CASSEGRAIN ANTENNAS NPO-13945 B79-10186 03 GSFC-12411 679-1002802 Limited scan dual-band high-gain CHARPY IMPACT TEST CADMIUM SULFIDES antenna Deflectometer for precracked charpy and CdlnP semiconductor alloy NPO-14038 879-10167 02 jic bend tests LANGLEY-12405 879-10491 03 CASTING LEWIS-13090 B79-10386 06 CALCIFICATION Vacuum casting of thick polymeric CHEMICAL COMPOSITION Low-dose total-body-calcium analysis films Instrument for aerosol characterization MSC-18282 879-10233 05 NPO-14534 879-10278 08 NPO-14320 679-10209 04

1-4

SUBJECT INDEX COMPONENT RELIABILITY

CHEMICAL REACTORS CLUTTER COHERENT RADAR A reactor for more efficient solar cells Eliminating clutter in synthetic-aperature Eliminating clutter in synthetic -ape rature NPO-14381 B79-10074 04 radar radar Chemical-vapor-deposition reactor NPO-14035 879-10019 02 NPO-14035 879-10019 02 NPO-14137 B79-10075 04 COAL COLLIMATORS Quartz ball value Ensuring flat cuts in Iongwall mining Optical system for multispectral NPO-14473 B79-10128 07 M-FS-23726 879-1011807 scanner New approach to purifying silicon Measuring coal thickness MSC-18255 879-10047 03 M-FS-23979 879-10363 04 improving maser frequency stability NPO-14474 879-10367 04 An improved capillary rheometer Compact reactor for onboard hydrogen GSFC-12400 B79-10331 03 NPO-14501 B79-10366 04 COMBUSTION generation COAL LIQUEFACTION LEWIS-13033 B79-10368 04 Burning crude oil without pollution Improved coal-slurry pipeline NPO-14344 879-10078 04 CHLOROPHYLLS NPO-14425 B79-10041 03 Marine chlorophyll a analysis COAL UTILIZATION COMBUSTION CHAMBERS LANGLEY-12293 B79-10048 03 Fluidized coal combustion Irradiation pretreatment for coal NPO-14273 879-10070 04 CH RO N OP HOTOG RAP HY desulfurization Cinemicrographic specimen housing NPO-14104 879-10069 04 COMMUNICATION CABLES LANGLEY-12047 B79-10231 05 Fluidized coal combustion Bidirectional Manchester repeater CINEMATOGRAPHY NPO-14273 B79-10070 04 MSC-18414 879-10299 01 Cinemicrographic specimen housing COATING Interleaved shielding for cables LANGLEY-12047 B79-10231 05 Production of large-area electrets MSC-18369 879-10311 01 CIRCUIT BOARDS M-FS-23186 879-10049 03 High-acceleration cable deployment Repairing flat cables A Continuous silicon-coating facility ARC-11256 879-10547 07 LANG LEY-1 1950 B79-10557 08 NPO-14373 879-10072 04 COMMUNICATION EQUIPMENT CIRCUIT BREAKERS Silicon source for vacuum deposition Components for an S-band Solid-state power controller LANG LEY-12356 879-10076 04 communication subsystem MSC-16661 B79-10300 01 Audible monitor for electroplating NPO-13955 B79-10022 02 CIRCUIT PROTECTION M-FS-19333 B79-10106 06 A telephone multiline signaling system Minimizing spikes in switching-regulator COATINGS KSC-1 1023 679-10030 02 circuits Low absorptance porcelain-on-aluminum Variable-clock-rate A/D converter NPO-14505 B79-10303 01 coating MSC-18541 879-10309 01 Surge protection with automatic reset M-FS-23879 879-10077 04 Low-profile communications antenna B79-10305 01 Repairing cracked glass MSC-16683 879-10321 02 MSC-18356 KSC-11097 879-1013408 Overload protection for switching A reliable solid-state RF transfer switch Vapor-deposited graded-thickness films MSC-16890 879-10454 01 regulators GSFC-11806 879-1014308 MSC-18513 B79-10450 01 Improved silicon/carbon interface for COMMUTATORS CIRCUIT RELIABILITY solar cells Direct-current drive for ac motors Low-noise current regulator NPO-14421 B79-10155 01 NPO-14427 879-10296 01 NPO-14070 B79-10011 01 Water-soluble fluorocarbon Coating COMPARATOR CIRCUITS Reliability of imaging CCDs MSC-16562 879-10212 04 Window comparator for voltages M-FS-25039 879-10013 01 Water-based intumescent paint FRC-10090 B79-10445 01 Removing overcoatings from MSC-16609 879-10213 04 Automatically classifying Earth features microcircuits Rotatable fixture for spray coating from orbit M-FS-23851 B79-10285 08 ARC-11110 879-1027408 LANGLEY-12589 B79-10493 03 CIRCUITS Removing overcoatings from COMPARATORS Burn-test apparatus for fiber microcircuits Offset compensation for A/D composites M-FS-23851 879-10285 08 converters NPO-14578 879-10109 06 COAXIAL CABLES NPO-13438 679-10163 01 CIRCULAR POLARIZATION Simpler cabling and power link for COMPILERS Wide-beam flush-mounted antenna remote readouts Compiler validates units and MSC-16800 B79-10169 02 GSFC-12411 879-1002802 dimensions CIRCULATORY SYSTEM COCKPIT SIMULATORS KSC-11054 B79-10437 09 High-resolution echocardiography A closed-loop control-loading system COMPONENT RELIABILITY NPO-14349 679-10081 05 LANGLEY-12167 879-10029 02 Fault-tolerant computer system CLAMPS CODERS NPO-14562 679-10171 02 Attaching strain transducers to fragile Binary-to-Manchester encoders Semiconductor step-stress testing materials MSC-16546 879-10157 01 M-FS-25329 679-10455 01 MSC-16580 879-10105 06 CODING JANTX1N645-1 diode Fixture for limited-access welding TV audio and video on the same M-FS-25243 B79-10456 01 MSC-16698 879-10135 08 channel JANTX1N649-1 diode CLEAN ENERGY 879-10017 02 M-FS-25344 679-10457 01 MSC-16241 JANTX/N746A diode Burning crude oil without pollution Improved reader for NPO-14344 B79-10078 04 M-FS-25245 679-10458 01 magnetically-encoded ID cards JANTX/N759A voltage regulating CLEANING 879-10160 01 Continuous sterilization of plumbing NPO-13517 diode systems Lock detector for noise-coded signals M-FS-25246 879-10459 01 KSC-11085 B79-10079 04 NPO-14435 B79-10324 02 JANTX/N937B Zener diode Precise wet-chemical etching Modern programming language M-FS-15247 879-10460 01 NPO-14339 879-10364 04 NPO-14105 B79-10443 09 JANTX/N972B zener diode CLOSED CIRCUIT TELEVISION Digital generation of command-encoder M-FS-25248 B79-10461 01 Viewing electron-beam welds in waveforms JANTX/N988 Zener diode progress GSFC-12203 879-10478 02 M-FS-25249 879-10462 01 M-FS-19364 879-10580 08 COEFFICIENT OF FRICTION JANTX/N1202A switching diode CLOUDS (METEOROLOGY) Friction coefficients of PTFE bearing M-FS-25250 679-10463 01 Meteorological data-processing package liner JANTX1N3893 diode GSFC-12372 879-10206 03 M-FS-19389 879-10111 06 M-FS-25266 879-10464 01

1-5

COMPOSITE MATERIALS SUBJECT INDEX

JANTX1N4570A zener diode Testing panels in shear and biaxial CONCENTRATION (COMPOSITION) M-FS-25268 879-10465 01 compression Relating viscosity to polymer JANTX1N5415 diode MSC-16132 B79-10241 06 concentration M-FS-25270 879-10466 01 COMPRESSORS NPO-14609 879-10357 04 JANTX1N5417 diode Centrifugal reciprocating compressor CONCENTRATORS M-FS-25271 879-10467 01 NPO-14597 B79-10407 07 Variable-shape solar-energy JANTX1 N5420 diode concentrator M-FS-25272 COMPUTER DESIGN B79-10468 01 Fault-tolerant computer system NPO-13736 879-10038 03 JANTX1 N5550 switching diode Lightweight, economical solar M-FS-25273 879-10469 01 NPO-14562 B79-10171 02 Switching reduces computer power concentrator JANTX1N5552 switching diode M-FS-23727 879-10180 03 M-FS-25274 879-10470 01 requirement LANG LEY-11 1958 B79-10480 02 CONFIGURATION MANAGEMENT JANTX1N5554 switching diode Test-configuration identifiers M-FS-25275 B79-10471 01 COMPUTER GRAPHICS KSC-11087 JANTX1N5614 switching siode Photomask and pattern programs 679-1010206 M-FS-25276 B79-10472 01 NPO-14419 879-10434 08 CONNECTORS Strain relief for power-cable connectors JANTX1N5615 switching diode Revised adage graphics computer M-FS-25277 B79-10473 01 MSC-19497 679-10310 01 system Remotely controlled latch JANTX1N5618 switching diode LANGLEY-12492 B79-10436 09 M-FS-25278 B79-10474 01 MSC-18365 879-10403 07 JANTX1N5619 diode Generalized plotting and contouring CONSTRUCTION M-FS-25279 879-10475 01 package Laser alignment of large assemblies COMPOSITE MATERIALS GSFC-12367 879-10592 09 MSC-19346 679-10097 06 Burn-test apparatus for fiber COMPUTER PROGRAMS CONTOURS composites Aircraft mission analysis Gage for 3-d contours NPO-14578 879-10109 06 LANGLEY-12299 879-1011206 MSC-19589 879-10383 06 Fibrous refractory composite insulation Minicomputer version of SPAR Generalized plotting and contouring ARC-11169 879-1022404 LANGLEY-12370 879-1011506 package Composite bearing liners have service Hinge-connected rigid bodies GSFC-12367 879-10592 09 temperature of 600 F NPO-11964 879-1011606 CONTROL EQUIPMENT LEWIS-13277 879-10261 07 Redundant system reliability analysis Fast-response power saver for induction Temperature and moisture analysis in LANGLEY-12069 879-10153 09 motors composites COMPUTER STORAGE DEVICES M-FS-23988 679-10004 01 LANGLEY-12452 B79-10373 04 Real-time video-image analysis Slip sensor Improved flaw-detection method NPO-14282 879-10018 02 NPO-14655 879-10405 07 LANG LEY-11866 B79-10378 06 Optical memories in digital computing CONTROL SIMULATION Vacuum-bonded covering withstands low M-FS-23897 B79-10032 02 Linear continuous and sampled-data temperatures Troubleshooting plated-wire memories systems MSC-16235 879-10509 04 M-FS-23903 679-10099 06 Structurally-continuous composite FRC-10114 679-1044009 corners Conserving power in computer CONTROL VALVES LANG LEY-1 1942 B79-10586 08 memories Zero-leak valve COMPOSITE STRUCTURES LANG LEY-11952 B79-10477 02 NPO-14717 B79-10421 07 Plug and drill template COMPUTER SYSTEMS PROGRAMS CONTROLLERS MSC-16748 879-10120 07 Programing techniques for CDC Controller for solar heating-design Fastening hardware to honeycomb equipment package panels LANGLEY-12486 B79-10289 09 M-FS-25009 879-10062 03 MSC-16752 B79-10142 08 COMPUTER TECHNIQUES CONVEXITY Plastic film insulates solar cells from Microcomputer helps evaluate skin Variable-shape solar-energy metal substrate burns - concentrator M-FS-25007 879-10145 08 NPO-14402 679-10082 05 NPO-13736 679-10038 03 Analysis of fatigue damage in Computer analysis of LANDSAT data COOLING composites M-FS-25 105 879-10204 03 Analysis of building heating and cooling LANGLEY-12431 B79-10220 04 Computer measurement of arterial NPO-14683 B79-10067 03 Use of composites in electric vehicles disease NPO-14266 679-10377 05 COOLING SYSTEMS NPO-14615 B79-10226 04 Rankine-cycle solar-cooling systems Composites of immiscible metals COMPUTERIZED DESIGN M-FS-25094 679-10051 03 M-FS-23816 B79-10508 04 Development of CMOS integrated Detecting insulation defects in circuits Rankine-cycle heating and cooling metal/plastic films M-FS-25121 B79-10165 01 systems M-FS-25127 B79-10524 06 COMPUTERIZED SIMULATION M-FS-23998 879-10052 03 Graphite/epoxy-tape test specimens Dynamic simulation and stability The design of solar-heating and cooling MSC-18495 B79-10527 06 analysis systems M-FS-25106 COMPRESSED GAS GSFC-12422 679-1011306 679-10192 03 Simple noise suppressor for vented Navigation-aid power systems Ozone inhibits corrosion in cooling high-pressure gas NPO-14466 B79-10176 02 towers LEWIS-13231 B79-10265 07 Electric-car simulation NPO-14340 679-10362 04 COMPRESSION LOADS NPO-14570 679-10394 06 CORE STORAGE Mechanical-load indicator Coupled-cavity traveling-wave tubes Improving low-illumination video MSC-19511 879-1053406 LEWIS-12861 679-10396 06 MSC-14841 679-10016 02 COMPRESSION TESTS Low-aspect-ratio wings Programing techniques for CDC Static load testing of a liquid solar LANGLEY-12490 879-10399 06 equipment collector Solar array manufacturing industry LANG LEY- 12486 B79-10289 09 M-FS-25115 B79-10057 03 simulation CORNERS Improved displacement measurement in NPO-14747 879-10435 08 Structurally-continuous composite bend testing Spacecraft trajectory corners LEWIS-13035 879-10237 06 LEWIS-13248 879-10546 06 LANG LEY-11942 879-1058608

1-6

SUBJECT INDEX DATA MANAGEMENT

CORRELATION DETECTION CRACKS CURRENT REGULATORS Eliminating clutter in synthetic-aperature Inspecting cracks in foam insulation Low-noise current regulator radar M-FS-23799 B79-10107 06 NPO-14070 B79-10011 01 NPO-14035 879-10019 02 Repairing cracked glass Minimizing spikes in switching-regulator CO R RELATORS KSC-11O97 B79-10134 08 circuits Azimuth correlator for synthetic aperature CREEP RUPTURE STRENGTH NPO-14505 B79-10303 01 radar Strength enhancement of prealloyed Rise-time control in saturated amplifiers NPO-14019 B79-10020 02 powder superalloys MSC-14934 B79-10452 01 Azimuth correlator design for IC chip LEWIS-13173 879-10221 04 CURVES (GEOMETRY) NPO-14614 B79-10451 01 CROP IDENTIFICATION Centroids, moments, and radii of CORROSION PREVENTION Remote-sensing applications to geology gyration Ozone inhibits corrosion in cooling M-FS-25151 B79-10203 03 LEWIS-12765 879-10117 06 towers CROSS CORRELATION Acoustical measurement separates core CUSHIONS NPO-14340 B79-10362 04 Fabrication of a pillowed airbag Simplified installation of thrust- bearings noise and jet noise NPO-14698 B79-10525 06 MSC-18455 B79-10424 08 M-FS-19473 B79-10555 07 CROSSLI NKI NG CUTTERS CORROSION RESISTANCE Self-curing polyimide foam Tool cuts self-locking joints in plastics Strong, corrosion-resistant aluminum ARC-1117O B79-10507 04 LANGLEY-12427 879-10275 08 tubing CRUCIBLES CUTTING MSC-18040 879-10417 07 A continuous silicon-coating facility Cutting silicon for solar cells COST ANALYSIS NPO-14373 B79-10072 04 NPO-14406 879-10146 08 Cost analysis of hot-air solar-heating CRUDE OIL Improved table-saw guard systems Burning crude oil without pollution MSC-19550 B79-10551 07 M-FS-25092 B79-10063 03 NPO-14344 879-10078 04 Wire stripper protects cable shielding Model for refining operations Model for refining operations FRC-10111 879-10559 08 LEWIS-13047 879-10293 09 LEWIS-13047 879-10293 09 CYLINDRICAL BODIES Low-cost production of solar-cell panels CRYOGENIC EQUIPMENT Determining radii of cylindrical NPO-14453 879-10432 08 Multipurpose seals for pressure vessels segments Solar array manufacturing industry LEWIS-12944 B79-10263 07 LEWIS-12826 B79-10537 06 simulation Insulating seal for cryogenic-liquid NPO-14747 B79-10435 08 transfer COST ESTIMATES KSC-111O5 B79-10415 07 Estimating the cost of production Cryogenic seal for instrument wires D stoppage MSC-18450 B79-10416 07 M-FS-23884 B79-10149 09 Vacuum-bonded covering withstands low DAMAGE COST REDUCTION temperatures Estimating effects of accidental Cost-reduction analysis for a MSC-16235 B79-10509 04 propellant explosions solar-heating system LEWIS-13247 679-10252 06 M-FS-25152 B79-10202 03 CRYOGENIC FLUID STORAGE Cryogenic-container suspension strap DAMPERS (VALVES) Cost savings in LSI fabrication Controlling subsynchronous whirl in M-FS-25079 B79-10589 08 ARC-11157 879-1026007 High-temperature insulation turbopumps COUNTERS M-FS-19423 B79-10533 06 Variable-resolution counter M-FS-19498 879-10370 04 CRYSTAL GROWTH DAMPING LANGLEY-12530 B79-10444 01 Stiffness and damping of elastomeric COUNTING CIRCUITS Improved inverted Stepanov apparatus NPO-14297 B79-10223 04 0-rings Variable-clock-rate A/D converter LEWIS-13079 B79-10132 07 Composites of immiscible metals MSC-18541 879-10309 01 DATA ACQUISITION COUPLERS M-FS-23816 B79-10508 04 Electrical indication of airflow rate Components for an S-band CRYSTAL OSCILLATORS M-FS-23873 679-10090 06 communication subsystem Temperature controller for crystal NPO-13955 B79-10022 02 resonators DATA BASES COUPLING CIRCUITS NPO-14507 B79-10295 01 A flexible data base NPO-13777 879-10438 09 Bubble-domain detector CRYSTAL STRUCTURE LANGLEY-12241 879-10306 01 Quality control during IC processing DATA COLLECTION PLATFORMS Biased-receiver digital interface M-FS-25112 879-10288 08 Conserving power in computer MSC-14968 879-10448 01 memories CRYSTAL SURFACES LANG LEY-1 1952 679-1047702 COUPLINGS Precise wet-chemical etching Artificial limb connector NPO-14339 879-10364 04 DATA COMPRESSION KSC-11069 879-1008305 Video-compression scheme CRYSTALS ARC-10984 879-10316 02 Extra-safe tractor-trailer coupling Cutting silicon for solar cells FRC-10081 B79-10258 07 NPO-14406 879-10146 08 DATA CONVERSION ROUTINES Remotely controlled latch Compiler validates units and MSC-18365 B79-10403 07 CULTURE TECHNIQUES dimensions Platinum electrodes for electrochemical KSC-11054 Positive isolation disconnect detection of bacteria 679-10437 09 MSC-16043 879-10410 07 LANGLEY-12462 DATA CORRELATION Cryogenic seal for instrument wires 879-10228 05 Computing time- and frequency-domain MSC-18450 879-10416 07 CURING analysis CRACK INITIATION Distortion-free foamed-plastic parts FRC-10121 879-10439 09 Arc-termination cracks in inconel 718 ARC-11233 879-10277 08 DATA MANAGEMENT and incoloy 903 Heat-shrinkable film improves adhesive Goddard trajectory determination M-FS-25089 B79-10588 08 bonds GSFC-11946 879-1011406 CRACK PROPAGATION MSC-18437 879-10429 08 Programing techniques for CDC Crack-opening displacement transducer Self-curing polyimide foam equipment LANGLEY-12485 879-10381 06 ARC-11170 879-10507 04 LANG LEY-12486 879-10289 09 CRACKING (FRACTURING) CURRENT DISTRIBUTION Multipurpose interactive NASA Resonant-fatigue cracking apparatus Theory of back-surface-field solar cells information system LEWIS-13037 B79-10520 06 NPO-14451 B79-10050 03 M-FS-23753 879-10292 09

I-7

DATA PROCESSING SUBJECT INDEX

DATA PROCESSING DEMODULATION Measuring the permittivity of gases and Optical memories in digital computing Self-calibrating threshold detector for aerosols M-FS-23897 B79-10032 02 noisy signals KSC-11090 879-1023906 Real-time digital integrator MSC-16370 679-10009 01 DIELECTRICS NPO-14530 B79-10447 01 Improved reader for High-energy-density flat flexible DATA PROCESSING TERMINALS magnetically-encoded ID cards capacitors Revised adage graphics computer NPO-13517 B79-10160 01 LEWIS-13000 879-10284 08 system DEPLOYMENT DIES LANGLEY-12492 679-10436 09 Parachute deploy! Release mechanism Volume-change indicator for molding DATA REDUCTION LANG LEY-1 1575 879-10126 07 plastic Computation-saving digital filter High-acceleration cable deployment LANGLEY-12280 879-10123 07 MSC-18057 B79-10154 01 ARC-11256 679-10547 07 Distortion-free foamed-plastic parts Automatically classifying Earth features DEPOSITION ARC-11233 B79-10277 08 from orbit Production of large-area electrets DIFFERENTIAL AMPLIFIERS LANG LEY-12589 B79-10493 03 M-FS-23 186 B79-10049 03 Low-common-mode differential DATA RETRIEVAL Controlled metal-film deposition on amplifier Maximum-likelihood data decoder alumina substrates MSC-18201 679-10298 01 NPO-13574 B79-10172 02 ARC-11214 B79-10080 04 DIFFUSION Bubble-domain detector Vapor-deposited graded-thickness films Eliminating clutter in synthetic-aperature LANGLEY-12241 679-10306 01 GSFC-11806 B79-10143 08 radar DATA SAMPLING DEPTH MEASUREMENT NPO-14035 879-10019 02 Linear Continuous and sampled-data Measuring coal thickness Single-, two-, and three-phase systems M-FS-23979 B79-10363 04 binary-alloy systems FRC-10114 B79-10440 09 DESICCANTS LANGLEY-12381 879-10514 04 DATA TRANSMISSION 'Self-packaging desiccant DIFFUSION COEFFICIENT Comparing data transmission systems NPO-14354 B79-10068 04 Temperature and moisture analysis in NPO-14642 B79-10290 09 DESIGN ANALYSIS composites Binary synchronous simulator Reliability of imaging CCD's LANG LEY- 12452 679-10373 04 KSC-11096 679-1047902 M-FS-25039 879-10013 01 Scratch encourages selective doping Viterbi/algebraic hybrid decoder Minicomputer version of SPAR LANG LEY- 11590 879-10558 08 M-FS-25095 679-10593 09 LANGLEY-12370 879-1011506 DIGITAL COMPUTERS DECODERS The design of solar-heating systems Optical memories in digital computing Maximum-likelihood data decoder M-FS-25108 879-10191 03 M-FS-23897 879-10032 02 NPO-13574 B79-10172 02 DESORPTION DIGITAL FILTERS Viterbi/algebraic hybrid decoder Multiplexed mass spectrometer for Computation-saving digital filter M-FS-25095 679-10593 09 desorption studies MSC-18057 879-10154 01 DECODING ARC-11134 679-1018503 DIGITAL INTEGRATORS TV audio and video on the same DESU LFU R IZI NG Digital automatic gain control channel Irradiation pretreatment for coal NPO-14236 B79-10304 01 MSC-16241 679-10017 02 desulfurization Real-time digital integrator A telephone multiline signaling system NPO-14104 B79-10069 04 NPO-14530 879-10447 01 KSC-11023 679-1003002 Soda ash removes sulfur from fuels DIGITAL SIMULATION Improved reader for GSFC-12403 879-10071 04 Bond graph for modeling valves and magnetically-encoded ID cards DETECTION switches NPO-13517 679-10160 01 Self-calibrating threshold detector for LEWIS-13177 879-10269 07 DECONTAMINATION noisy signals DIGITAL SYSTEMS Continuous sterilization of plumbing MSC-16370 679-10009 01 Self-calibrating threshold detector for systems Burn-test apparatus for fiber noisy signals KSC-1 1085 679-10079 04 composites MSC-16370 879-10009 01 Cleaning contaminated superalloy NPO-14578 B79-10109 06 Real-time video-image analysis powders DIAGNOSIS NPO-14282 879-10018 02 LEWIS-13041 B79-10279 08 Microcomputer helps evaluate skin A telephone multiline signaling system DECOUPLING burns KSC-1 1023 879-10030 02 Parachute deploy/Release mechanism NPO-14402 879-10082 05 Offset compensation for A/D LANG LEY-11575 B79-10126 07 Wideband electronics for ultrasonic converters DEFECTS tissue characterization NPO-13438 B79-10163 01 Reliability of nondestructive evaluation NPO-14461 B79-10229 05 DIGITAL TECHNIQUES data Computer measurement of arterial Decision-directed automatic gain LEWIS-12908 679-10257 06 disease control DEGASSING NPO-14266 879-10377 05 NPO-13639 679-10008 01 Degassing procedure for ultrahigh DICHROISM Improving low-illumination video vacuum Efficient dichroic plate for microwaves MSC-14841 679-10016 02 M-FS-25 103 B79-10188 03 GSFC-12171 679-10002 01 TV audio and video on the same DEHUMIDIFICATION Optical system for multispectral channel No-reheat air-conditioning scanner MSC-16241 879-10017 02 GSFC-12191 879-10330 03 MSC-18255 879-10047 03 Azimuth correlator for synthetic aperature DEHYDRATION Dual-frequency microwave antenna radar 'Self-packaging' desiccant NPO-13091 879-10322 02 NPO-14019 879-10020 02 NPO-14354 679-10068 04 DIELECTRIC POLARIZATION LED display for solo aircraft instrument DELAY LINES Production of large-area electrets navigation Group-delay standards M-FS-23186 679-10049 03 LANG LEY- 12292 879-10023 02 NPO-13938 B79-10014 01 DIELECTRIC PROPERTIES Differential oil flowmeter DELTA WINGS Analysis of aperture antenna radiation M-FS-23959 879-10088 06 Low-aspect-ratio wings pattern All-digital QPSK modulator LANGLEY-12490 679-10399 06 MSC-16246 B79-10066 03 MSC-16922 879-10320 02

1-8

SUBJECT INDEX ELECTRIC CONTACTS

Digital generation of command-encoder Displacement gage modified for multiple EARTH RESOURCES SURVEY waveforms measurements PROGRAM GSFC-12203 B79-10478 02 LEWIS-13036 879-10238 06 Electronic pictures from charged-coupled DIMENSIONAL ANALYSIS Crack-opening displacement transducer devices Compiler validates units and LANGLEY-12485 B79-10381 06 GSFC-12324 B79-10015 02 dimensions DISPLAY DEVICES EARTH SURFACE KSC-11054 B79-10437 09 LED display for solo aircraft instrument Analyzing Earths surface data DIMPLING navigation M-FS-25051 B79-10152 09 Dimpling aircraft skins for LANGLEY-12292 B79-10023 02 ECHOCARDIOGRAPHY countersunk-head rivets Centering images in split-screen TV High-resolution echocardiography LANGLEY-12240 B79-10427 08 display NPO-14349 B79-10081 05 DIODES MSC-18399 B79-10319 02 ECOLOGY JANTX1N645-1 diode DISTORTION Marine chlorophyll a analysis M-FS-25243 B79-10456 01 Distortion-free foamed-plastic parts LANG LEY- 12293 B79-10048 03 JANTX1 N649-1 diode ARC-11233 B79-10277 08 ECONOMIC ANALYSIS M-FS-25344 B79-10457 01 DOCUMENT STORAGE Estimating the cost of production JANTX/N746A diode A flexible data base stoppage M-FS-25245 B79-10458 01 NPO-13777 879-10438 09 M-FS-23884 B79-10149 09 JANTX/N759A voltage regulating ECONOMIC FACTORS diode DOCUMENTATION Solar energy for industrial process heat An annotated energy bibliography NPO-14498 B79-10064 03 M-FS-25246 B79-10459 01 LANGLEY-12488 B79-10065 03 JANTX/N937B Zener diode EDDY CURRENTS M-FS-15247 B79-10460 01 DRIFT (INSTRUMENTATION) Measuring insulation thickness JANTX/N9728 zener diode Low-noise current regulator M-FS-23798 B79-10108 06 M-FS-25248 B79-10461 01 NPO-14070 B79-10011 01 ELASTIC DEFORMATION JANTX/N98B Zener diode DRILLING Dynamic simulation and stability M-FS-25249 B79-10462 01 Plug and drill template analysis JANTX/N1202A switching diode MSC-16748 B79-10120 07 GSFC-12422 B79-10113 06 M-FS-25250 B79-10463 01 Adjusting an electron beam for drilling ELASTOMERS JANTX1N3893 diode M-FS-19326 B79-10572 08 Stiffness and damping of elastomeric M-FS-25266 B79-10464 01 DRYING 0-rings JANTX1 N4570A zener diode Self-packaging desiccant LEWIS-13079 B79-10132 07 NPO-14354 B79-10068 04 Four-step reaction for polytriazine M-FS-25268 879-10465 01 elastomers JANTX1N5415 diode DUCTED FAN ENGINES ARC-11248 B79-10354 04 M-FS-25270 879-10466 01 Fan noise-mode structure in a duct Heat- and chemical-resistant oxdiazole JANTX1N5417 diode LEWIS-13129 B79-10393 06 elastomers M-FS-25271 B79-10467 01 DUCTS ARC-11253 B79-10355 04 JANTX1N5420 diode All-metal muffler for ducts Equilibrium swelling of elastomers in M-FS-25272 B79-10468 01 ARC-11159 B79-10262 07 solvents JANTX1 N5550 switching diode DUST COLLECTORS NPO-14637 B79-10359 04 M-FS-25273 B79-10469 01 Production of large-area electrets Post-processing flame-retardant for JANTX1 N5552 switching diode M-FS-23 186 879-10049 03 polyurethane M-FS-25274 B79-10470 01 DYES MSC-16307 879-10361 04 JANTX1 N5554 switching diode Inspecting cracks in foam insulation Bonding soft rubber or plasticized M-FS-25275 B79-10471 01 M-FS-23799 B79-10107 06 elastomers to metal JANTX1 N5614 switching siode M-FS-25181 879-10582 08 M-FS-25276 879-10472 01 DYNAMIC LOADS ELECTRETS JANTX1 N5615 switching diode A closed-loop control-loading system Production of large-area electrets M-FS-25277 B79-10473 01 LANGLEY-12167 B79-10029 02 M-FS-23186 B79-10049 03 JANTX1N5618 switching diode DYNAMIC MODELS ELECTRIC BATTERIES M-FS-25278 079-10474 01 Bond graph for modeling valves and Nuclear electro-optic power JANTX1N5619 diode switches LANG LEY- 12496 B79-10481 03 M-FS-25279 B79-10475 01 LEWIS-13177 B79-10269 07 ELECTRIC COILS DIP LEXE RS DYNAMIC RESPONSE Fixture for winding transformers Components for an S-band Fader and ramp shaper replace linear NPO-14146 879-10423 08 communication subsystem filters ELECTRIC CONNECTORS NPO-13955 B79-10022 02 MSC-16115 879-10031 02 Isolator/ retainer for connectors DIPOLE ANTENNAS MSC-18527 879-10312 01 Efficient dichroic plate for microwaves Crimped thermocouple connections GSFC-12171 B79-10002 01 MSC-18489 879-10561 08 DISASTERS E Securing connector pins to a PC board Monitoring disaster areas via satellites MSC-16059 879-10564 08 LANGLEY-12344 B79-10027 02 EARTH RESOURCES ELECTRIC CONTACTS DISCONNECT DEVICES Remote-sensing applications to geology Wraparound-contact solar cells Positive isolation disconnect M-FS-25151 B79-10203 03 LEWIS-13089 B79-10001 01 MSC-16043 879-10410 07 AOIPS classification package Nondestructive pull tester DISPLACEMENT MSC-18329 B79-10091 06 Accurate determination of work in GSFC-12374 B79-10207 03 Push test for switch welds three-point bend tests Diazo techniques for remote sensor data M-FS-25027 879-10092 06 LEWIS-13034 879-10236 06 analysis Thermographic inspection of welded Angular-displacement mechanism M-FS-25110 B79-10246 06 contacts M-FS-23777 879-10408 07 EARTH RESOURCES INFORMATION M-FS-25093 679-10244 06 DISPLACEMENT MEASUREMENT SYSTEM Nondestructive weld test by holography Improved displacement measurement in Multipurpose interactive NASA M-FS-23826 879-10245 06 bend testing information system Stress-relieved solder joints LEWIS-13035 879-10237 06 M-FS-23753 879-10292 09 MSC-14981 879-10556 08

'-9

ELECTRIC DISCHARGES SUBJECT INDEX

ELECTRIC DISCHARGES ELECTROCHEMICAL CELLS Fader and ramp shaper replace linear Cloud-to-ground lightning detector Monitoring harmful gases filters KSC-11099 879-1002502 KSC-11086 B79-10211 04 MSC-16115 879-10031 02 ELECTRIC EQUIPMENT TESTS Platinum electrodes for electrochemical ELECTRONIC PACKAGING Rapid testing of pulse transformers detection of bacteria Wraparound-contact solar cells MSC-18202 879-10529 06 LANGLEY-12462 B79-10228 05 LEWIS-13089 B79-10001 01 ELECTRIC GENERATORS ELECTRODEPOSITION Strain relief for power-cable connectors High-efficiency wind turbine Electrodeposition process reduces cost MSC-19497 B79-10310 01 M-FS-23830 879-10483 03 of cold plates Securing connector pins to a PC board ELECTRIC MOTORS MSC-19524 879-10570 08 MSC-16059 679-10564 08 Fast-response power saver for induction Repairing sealing surfaces on aluminum Improved switch-resistor packaging motors castings MSC-19531 879-10565 08 M-FS-23988 879-10004 01 M-FS-19455 879-10573 08 Cost savings in LSI fabrication B79-10589 08 Direct-current drive for ac motors ELECTRODES M-FS-25079 NPO-14427 B79-10296 01 ELECTRONIC TRANSDUCERS Measuring resistance or conductance of Electrical indication of airflow rate ELECTRIC POWER SUPPLIES insulators M-FS-23873 B79-10090 06 Solar power conditioner MSC-18132 B79-10096 06 ELECTROPLATING NPO-14356 879-10035 03 Audible monitor for electroplating Audible monitor for electroplating Navigation-aid power systems M-FS-19333 B79-10106 06 M-FS-19333 B79-10106 06 NPO-14466 879-10176 02 Giant-electrode welder Electroplating offers embrittlement ELECTRIC PROPULSION LANG LEY- 11429 B79-10136 08 protection Use of composites in electric vehicles Platinum electrodes for electrochemical M-FS-19330 879-10140 08 NPO-14615 B79-10226 04 detection of bacteria ELECTROSTATIC CHARGE ELECTRIC RELAYS LANG LEY-12462 B79-10228 05 Production of large-area electrets Low-EMI solid-state relay Improved capacitive EKG electrode M-FS-23 186 B79-10049 03 MSC-12698 879-10446 01 MSC-18321 879-10232 05 EM BR ITTLEM E NT Low-cost, lightweight RF transfer ELECTROLYTES Electroplating offers embrittlement switch Increased fuel-cell cross-pressure limit protection MSC-16907 879-10453 01 M-FS-25196 B79-10484 03 M-FS-19330 679-10140 08 ELECTRIC WIRE ELECTROMAGNETIC ABSORPTION EMULSIONS Nondestructive pull tester Mossbauer study of FeSi2 and FeSe thin Soda ash removes sulfur from fuels MSC-18329 B79-10091 06 films GSFC-12403 B79-10071 04 Push test for switch welds M-FS-25088 B79-10371 04 Applying photosensitive emulsions to M-FS-25027 B79-10092 06 ELECTROMAGNETIC INTERFERENCE enamel surfaces Strain relief for power-cable connectors Low-EMI solid-state relay MSC-18107 B79-10144 08 MSC-19497 B79-1031001 MSC-12698 879-10446 01 ENAMELS Sensor/ amplifier for weak light sources Low absorptance porcelain-on-aluminum Wire stripper protects cable shielding M-FS-25025 B79-10449 01 coating FRC-10111 B79-10559 08 ELECTROMAGNETIC SHIELDING M-FS-23879 B79-10077 04 Stitch-bond parallel-gap welding for IC Interleaved shielding for cables Applying photosensitive emulsions to circuits MSC-18369 B79-10311 01 enamel surfaces MSC-16459 879-10560 08 Wire stripper protects cable shielding MSC-18107 879-10144 08 ELECTRICAL FAULTS FRC-10111 B79-10559 08 ENCAPSULATING Cable-fault locator ELECTROMAGNETIC WAVE FILTERS Moisture penetration in microcircuit KSC-10899 B79-10024 02 Efficient dichroic plate for microwaves packages ELECTRICAL INSULATION GSFC-12171 B79-10002 01 M-FS-25087 679-10315 01 Measuring resistance or conductance of Signal separator for dual-frequency ENERGY insulators antenna An annotated energy bibliography MSC-18132 879-10096 06 NPO-14022 B79-10021 02 LANGLEY-12488 B79-10065 03 Measuring insulation thickness ELECTRON BEAM WELDING ENERGY ABSORPTION M-FS-23798 B79-10108 06 Checking weld penetration Weathering of a liquid-filled solar Plastic film insulates solar cells from M-FS-19395 879-10093 06 collector metal substrate Ultrasonic grating checks electron-beam M-FS-25113 879-1005903 M-FS-25007 879-10145 08 welds Fin-tube solar collectors ELECTRICAL MEASUREMENT M-FS-19422 879-10094 06 M-FS-25238 879-10344 03 Obtaining an electrical output from a Viewing electron-beam welds in Collector performance after weathering mechanical flowmeter progress M-FS-25187 679-10346 03 M-FS-23958 879-10087 06 M-FS-19364 B79-10580 08 Weathering of a flat-plate solar Differential oil flowmeter Welding multiple plies with an electron collector M-FS-23959 879-10088 06 beam M-FS-25 160 B79-10348 03 Electrical indication of airflow rate M-FS-19428 879-10581 08 ENERGY CONSERVATION M-FS-23873 879-10090 06 ELECTRON BEAMS Fuel gas from biodigestion Adjusting an electron beam for drilling M-FS-23957 879-10042 03 ELECTRICAL PROPERTIES M-FS-19326 B79-10572 08 Reliability of imaging CCD's ELECTRONIC EQUIPMENT TESTS Solar-heating system-performance tests M-FS-25039 879-10013 01 Nondestructive pull tester M-FS-25116 B79-10054 03 ELECTRICAL RESISTANCE MSC-18329 B79-10091 06 Performance test for a solar water Measuring resistance or conductance of Push teat for switch welds heater insulators M-FS-25027 B79-10092 06 M-FS-25114 B79-10055 03 MSC-18132 879-10096 06 Detector verifier for circuit analyzers Analysis of building heating and cooling ELECTRO-OPTICAL PHOTOGRAPHY MSC-19669 B79-10530 06 NPO-14683 B79-10067 03 Electronic pictures from charged-coupled ELECTRONIC FILTERS Irradiation pretreatment for coal devices Low-frequency attenuator circuit desulfurization GSFC-12324 B79-10015 02 FRC-11012 B79-10010 01 NPO-14104 879-10069 04 ELECTROCARDIOGRAPHY Components for an S-band ENERGY CONVERSION Improved capacitive EKG electrode communication subsystem Solar power conditioner MSC-18321 B79-10232 05 NPO-13955 879-10022 02 NPO-14356 679-10035 03

1-10

SUBJECT INDEX FINISHES

Variable-shape solar-energy ESTIMATES Fastener for easy installation and removal Concentrator Estimating the cost of production of tiles NPO-13736 B79-10038 03 stoppage MSC-16892 879-10276 08 Improved coal-slurry pipeline M-FS-23884 B79-10149 09 Torque-wrench extender for NPO-14425 679-10041 03 ETCHING hard-to-reach fasteners Static load testing of a liquid solar Lift-off procedure improves pattern MSC-18488 879-10404 07 Collector definition FATIGUE (MATERIALS) M-FS-25115 879-10057 03 LANGLEY-12392 B79-10287 08 Analysis of fatigue damage in ENERGY CONVERSION EFFICIENCY Precise wet-chemical etching composites High-efficiency wind turbine NPO-14339 B79-10364 04 LANGLEY-12431 B79-10220 04 M-FS-23830 B79-10483 03 ETHYLENE OXIDE Fatigue properties of columbium alloy Continuous sterilization of plumbing MSC-18256 ENERGY POLICY systems 679-10225 04 Solar energy for industrial process heat FATIGUE TESTS NPO-14498 B79-10064 03 KSC-11085 B79-10079 04 EVACUATING (TRANSPORTATION) Resonant-fatigue cracking apparatus Model for refining operations Monitoring disaster areas via satellites LEWIS-13037 B79-10520 06 LEWIS-13047 B79-10293 09 LANGLEY-12344 B79-10027 02 FAULTS ENERGY REQUIREMENTS EVACUATING (VACUUM) Cable-fault locator Solar power conditioner Evacuated-displacement compression KSC-10899 879-10024 02 NPO-14356 879-10035 03 molding FEEDBACK CIRCUITS ENERGY STORAGE LANGLEY-12523 B79-10584 08 Low-common-mode differential Installation package for a solar-heating EVALUATION amplifier system Liquid solar collector-performance MSC-18201 879-10298 01 M-FS-25198 B79-10337 03 evaluation FEEDBACK CONTROL Installation package for a solar-heating M-FS-25090 B79-10058 03 Higher gain for feedback control subject system EXPLOSIVE DEVICES to vibrations M-FS-25157 B79-10340 03 Confined explosive joining of tubes LANGLEY-12215 879-10170 02 Wind-energy storage LANG LEY-12248 B79-10280 08 Window comparator for voltages LEWIS-13097 B79-10500 03 EXPOSURE FRC-10090 879-10445 01 ENERGY TECHNOLOGY Multiple-camera automatic controller FERRITES Air solar collector-installation package LEWIS-12711 B79-10175 02 Mossbauer study of FeSi2 and FeSe thin M-FS-25031 B79-10056 03 films EXTENSOMETERS M-FS-25088 ENGINE CONTROL NonContact strain measurement B79-10371 04 Controller for a string engine FETUSES LEWIS-13091 879-10243 06 Monitoring fetal pH by telemetry NPO-14388 B79-10130 07 EYE MOVEMENTS ENGINEERING DRAWINGS GSFC-12507 879-10517 05 Eye-controlled switch FIBER OPTICS Centroids, moments, and radii of M-FS-25091 879-10084 05 gyration Fiber-Optic crossbar switch LEWIS-12765 B79-10117 06 KSC-11104 679-1000601 Splicing single-mode optical fibers ENVIRONMENT MANAGEMENT F NPO-14626 879-10282 08 Analyzing water resources Fiber-optic proximity sensor M-FS-25104 B79-10235 05 NPO-14653 879-10390 06 ENVIRONMENT POLLUTION FABRICATION FIBERS LANDSAT and water pollution Assembling solar-cell arrays Fibrous refractory composite insulation M-FS-25099 879-10151 09 NPO-14416 B79-10037 03 ARC-11169 B79-10224 04 ENVIRONMENTAL TESTS CMOS circuit-fabrication handbook FIELD EFFECT TRANSISTORS Moisture penetration in microcircuit M-FS-25034 B79-10148 08 Improved process control for VMOS packages Quality control during IC processing FET5 M-FS-25087 B79-10315 01 M-FS-25112 B79-10288 08 GSFC-12515 879-10563 08 Test and evaluation of a solar-heating FACSIMILE COMMUNICATION FILE MAINTENANCE (COMPUTERS) system Variable-resolution facsimile system A flexible data base M-FS-25201 679-10336 03 MSC-18516 879-10476 02 NPO-13777 879-10438 09 ENVIRONMENTS FADING FILLETS Burning crude oil without pollution Fader and ramp shaper replace linear Shear strength of aluminum fillet welds NPO-14344 B79-10078 04 filters M-FS-23946 879-10511 04 EQUATIONS OF MOTION MSC-16115 B79-10031 02 FILM THICKNESS Dynamic simulation and stability FAILURE ANALYSIS Measuring the thickness of plastic films analysis Design review of a liquid solar collector ARC-11219 879-1009806 GSFC-12422 B79-10113 06 M-FS-25140 B79-10199 03 Vapor-deposited graded-thickness films Airplane stability programs for pocket Removing overcoatings from GSFC-11806 879-1014308 calculators microcircuits FILTERS LANGLEY-12479 B79-10248 06 M-FS-23851 B79-10285 08 Inductorless tuned Circuit for high EQUIPMENT SPECIFICATIONS FARMLANDS frequencies Rankine-cycle solar-cooling systems GSFC-12410 B79-10294 01 M-FS-25094 B79-10051 03 Inexpensive land-use maps extracted FILTRATION Rankine-cycle heating and Cooling from satellite data M-FS-25111 B79-10150 09 Increased fuel-cell cross-pressure limit systems M-FS-25196 879-10484 03 M-FS-23998 B79-10052 03 FASTENERS FINANCIAL MANAGEMENT Design information for solar-heating Plug and drill template Estimating the cost of production systems MSC-16748 B79-10120 07 stoppage M-FS-25097 B79-10053 03 Removable fastener for insulating tiles M-FS-23884 B79-10149 09 Design of a concentrating solar MSC-16483 879-10124 07 Annuity-estimating program collector Removable fastener for large structures ARC-1l139 B79-10291 09 M-FS-25098 879-10060 03 M-FS-23990 879-10127 07 FINISHES Controller for solar heating-design Fastening hardware to honeycomb Applying photosensitive emulsions to package panels enamel surfaces M-FS-25009 879-10062 03 MSC-16752 B79-10142 08 MSC-18107 879-10144 08

I-li

FINITE DIFFERENCE THEORY SUBJECT INDEX

FINITE DIFFERENCE THEORY FLOW DIRECTION INDICATORS Extendable mast Transonic flow past swept wings Bidirectional fluid-flow monitor LANGLEY-12078 879-10267 07 LANGLEY-12446 B79-10542 06 MSC-16762 879-10089 06 Foldable beam Numerical analysis of complex fluid-flow FLOW DISTRIBUTION LANGLEY-12076 679-10271 07 systems Projection optics for a laser velocimeter FORCE DISTRIBUTION M-FS-25125 B79-10591 09 LANGLEY-12328 B79-10045 03 A closed-loop control-loading system FINITE ELEMENT METHOD Flow fields in supersonic inlets LANGLEY-12167 B79-10029 02 Analysis of fatigue damage in ARC-11098 B79-10253 06 FORTRAN composites FLOW MEASUREMENT Aircraft mission analysis LANGLEY-12431 B79-10220 04 Extending the range of leak detectors LANG LEY- 12299 B79-10112 06 Nonlinear structural analysis M-FS-1941 1 879-10104 06 Hinge-connected rigid bodies M-FS-25122 879-10539 06 FLOW REGULATORS NPO-11964 B79-10116 06 FIREPROOFING Controlling a wide range of flow rates Redundant system reliability analysis Water-based intumescent paint NPO-14312 B79-10249 06 LANGLEY-12069 B79-10153 09 MSC-16609 B79-10213 04 FOSSIL FUELS Bifunctional gas-flow regulator Improved coal-slurry pipeline Flame-resistant textiles NPO-13135 B79-10266 07 NPO-14425 879-10041 03 MSC-18359 679-10353 04 Automatic thermal switch Fluidized coal combustion FIXTURES GSFC-12415 679-10400 07 NPO-14273 B79-10070 04 Measuring resistance or conductance of Balanced-force flow-regulator valve FRACTIONATION insulators MSC-12731 679-10419 07 Irradiation pretreatment for coal MSC-18132 B79-10096 06 FLOW VELOCITY desulfurization Fixture for limited-access welding Improved Split-film vector anomometer NPO-14104 679-10069 04 MSC-16698 879-10135 08 LANGLEY-12391 B79-10240 06 FRACTURE MECHANICS Furnace brazing under partial vacuum FLOWMETERS Analysis of fatigue damage in M-FS-19363 879-10137 08 Obtaining an electrical output from a composites Fixture for assembling solar panels mechanical flowmeter LANGLEY-12431 B79-10220 04 NPO-14303 679-10147 08 M-FS-23958 B79-10087 06 FRACTURE STRENGTH 'Three-dimensional vibration fixture Differential oil flowmeter Displacement gage modified for multiple MSC-16305 B79-10528 06 M-FS-23959 B79-10088 06 measurements FLAME HOLDERS FLUID BOUNDARIES LEWIS-13036 679-10238 06 Flat-flame burner Phase changes in liquid face seals Deflectometer for precracked charpy and LEWIS-13161 679-10218 04 LEWIS-12994 B79-10395 06 jic bend tests FLAME RETARDANTS FLUID DYNAMICS LEWIS-13090 679-10386 06 Synthesis of triaryltrifluoroethanes Thermodynamic and transport properties FREQUENCIES ARC-11097 B79-10217 04 of fluids Efficient dichroic plate for microwaves Post-processing flame-retardant for LEWIS-13127 679-10352 03 GSFC-12171 679-10002 01 polyurethane FLUID FILTERS FREQUENCY MULTIPLIERS MSC-16307 B79-10361 04 Indirect microbial detection VHF frequency multiplier FLAME SPECTROSCOPY LANGLEY-12520 679-10515 05 NPO-13700 B79-10005 01 Flat-flame burner FLUID FLOW FREQUENCY STABILITY LEWIS-13161 679-10218 04 Bidirectional fluid-flow monitor Temperature controller for crystal FLAME SPRAYING MSC-16762 679-10089 06 resonators High-energy-density cylindrical Improved Split-film vector anomometer NPO-14507 B79-10295 01 capacitors LANG LEY- 12391 879-10240 06 improving maser frequency stability LEWIS-12999 879-10283 08 Controlling a wide range of flow rates GSFC-12400 B79-10331 03 FLAMMABILITY NPO-14312 B79-10249 06 FREQUENCY SYNTHESIZERS Flame-resistant textiles Flow fields in supersonic inlets Digital generation of command-encoder MSC-18359 879-10353 04 ARC-11098 879-1025306 waveforms Self-curing polyimide foam Numerical analysis of complex fluid-flow GSFC-12203 B79-10478 02 ARC-11170 B79-10507 04 systems FRICTION REDUCTION FLAMMABLE GASES M-FS-25125 679-10591 09 Friction coefficients of PTFE bearing Estimating effects of accidental FLUID TRANSMISSION LINES liner propellant explosions Positive isolation disconnect M-FS-19389 B79-10111 06 LEWIS-13247 679-10252 06 MSC-16043 B79-10410 07 Composite bearing liners have service FLANGES FLUORO COMPOUNDS temperature of 600 F Signal separator for dual-frequency Synthesis of triaryltrifluoroethanes LEWIS-13277 B79-10261 07 antenna ARC-11097 679-10217 04 Long-wearing TFE/metal bearings NPO-14022 B79-10021 02 FLUOROCARBONS MSC-15994 B79-10409 07 FLAT CONDUCTORS Water-soluble fluorocarbon coating Improved piston rings for a stirling Repairing flat cables MSC-16562 879-10212 04 engine LANGLEY-11950 B79-10557 08 FOAMS NPO-14497 B79-10412 07 Inspecting cracks in foam insulation FLIGHT CLOTHING M-FS-23799 B79-10107 06 RF-sputtered and ion-plated solid Improved temperature-control garment Temporary insulation with polyurethane lubricants ARC-11239 B79-10227 05 foam LEWIS-13147 B79-10433 08 FLIGHT SIMULATION MSC-18298 679-10139 08 FRIT A closed-loop control-loading system Distortion-free foamed-plastic parts Characterizing glass frits for slurries LANGLEY-12167 879-10029 02 ARC-11233 679-10277 08 MSC-18322 879-10101 06 Binary-to-Manchester encoders Self-curing polyimide foam FUEL CELLS MSC-16546 879-10157 01 ARC-1117O 679-10507 04 Improved ion-selective membranes FLOOD PREDICTIONS FOLDING LEWIS-12678 679-10222 04 Monitoring disaster areas via satellites Crimped thermocouple connections Increased fuel-cell cross-pressure limit LANG LEY- 12344 679-10027 02 MSC-18489 B79-10561 08 M-FS-25 196 B79-10484 03 FLOODS FOLDING STRUCTURES FUEL CONSUMPTION Analyzing water resources Parachute deploy/Release mechanism Analysis of building heating and cooling M-FS-25104 B79-10235 05 LANG LEY-11575 B79-10126 07 NPO-14683 879-10067 03

1-12

SUBJECT INDEX HEAT RESISTANT ALLOYS

FUEL GAGES GAS GENERATORS Repairing cracked glass Obtaining an electrical output from a Fuel gas from biodigestion KSC-11097 679-1013408 mechanical flowmeter M-FS-23957 B79-10042 03 Repairing ceramic insulating tiles M-FS-23958 B79-10087 06 GAS MASERS MSC-18368 879-10426 08 Differential oil flowmeter FEP plug protects H2 masers GRAPHIC ARTS M-FS-23959 B79-10088 06 GSFC-12552 879-10494 03 Centroids, moments, and radii of FUEL INJECTION GAS MIXTURES gyration Fluidized coal combustion Detecting oxygen in hydrogen or LEWIS-12765 879-10117 06 NPO-14273 B79-10070 04 hydrogen in oxygen GRAPHITE Flat-flame burner MSC-18380 B79-10365 04 Improved silicon/carbon interface for LEWIS-13161 B79-10218 04 GAS PRESSURE solar cells Flexible heat-and-pressure seal NPO-14421 879-10155 01 FUELS MSC-18134 679-10414 07 Fuel gas from biodigestion Dynamic-pressure regulator GRATINGS (SPECTRA) M-FS-23957 B79-10042 03 MSC-18415 679-10418 07 General optics evaluation program Soda ash removes sulfur from fuels GAS STREAMS GSFC-12439 B79-10351 03 GSFC-12403 B79-10071 04 Chemical-vapor-deposition reactor GUARDS (SHIELDS) FURNACES NPO-14137 679-10075 04 Improved table-saw guard Differential oil flowmeter GAS-GAS INTERACTIONS MSC-19550 879-10551 07 M-FS-23959 B79-10088 06 A reactor for more efficient solar cells GUIDANCE (MOTION) Furnace brazing under partial vacuum NPO-14381 B79-10074 04 Guidance system for a roving vehicle M-FS-19363 679-10137 08 GAS-METAL INTERACTIONS NPO-14376 879-10174 02 FUSELAGES Electroplating offers embrittlement GUIDANCE SENSORS Arbitrary aircraft-geometry generator protection Eye-controlled switch LANGLEY-12515 B79-10256 06 M-FS-19330 679-10140 08 M-FS-25091 879-10084 05 FUSION (MELTING) GASEOUS DIFFUSION Fiber-optic proximity sensor Checking weld penetration Modified polymers for gas NPO-14653 B79-10390 06 M-FS-19395 B79-10093 06 chromatography GYRATION ARC-11154 679-1021504 Centroids. moments, and radii of GASES gyration Measuring the permittivity of gases and LEWIS-12765 679-10117 06 G aerosols GYROSCOPIC STABILITY KSC-11090 679-10239 06 Higher gain for feedback control subject GAPS GASKETS to vibrations Improved wrap-curtain seal Rubber valve seal with tough skin LANG LEY- 12215 679-10170 02 MSC-16647 879-10420 07 LANGLEY-11776 679-1012507 GARMENTS Window with integral seal Improved temperature-control garment MSC-16490 B79-10141 08 H ARC-11239 B79-10227 05 Tool cuts self-locking joints in plastics GAS ANALYSIS LANGLEY-12427 B79-10275 08 Extending the range of leak detectors GEARS HALL EFFECT M-FS-19411 879-1010406 Controller for a string engine Electrical indication of airflow rate Differential spectrophone NPO-14388 679-10130 07 M-FS-23873 B79-10090 06 NPO-14599 679-10182 03 Compact rotary sequencer HEALTH Multiplexed mass spectrometer for MSC-19514 Monitoring harmful gases 879-10401 07 KSC-11086 desorption studies Angular-displacement mechanism 879-10211 04 ARC-11134 B79-10185 03 M-FS-23777 679-10408 07 HEART Improved time-of-flight mass High-resolution echocardiography GEOLOGICAL SURVEYS NPO-14349 spectrometer Remote-sensing applications to geology 679-10081 05 ARC-11090 B79-10187 03 M-FS-25151 679-10203 03 HEART FUNCTION High-pressure mass-spectrometric GERMANIUM Trifunctional transducer for myocardial sampling system monitoring Germanium-on-lnP NPO-14329 LEWIS-12913 B79-10219 04 ure LED B79-10518 05 GAS CHROMATOGRAPHY LANGLEY-12349 679-10488 03 HEART RATE Modified polymers for gas Low-frequency attenuator circuit GIMBALS FRC-11012 chromatography Friction coefficients of PTFE bearing 879-10010 01 ARC-11154 679-10215 04 liner Monitoring fetal pH by telemetry Extracting trace substances from M-FS-19389 679-10111 06 GSFC-12507 679-10517 05 biological fluids GLASS HEAT EXCHANGERS MSC-18522 879-10516 05 Characterizing glass frits for slurries Design information for solar-heating GAS DETECTORS MSC-18322 systems 879-10101 06 M-FS-25097 All-electric gas detector Repairing cracked glass B79-10053 03 NPO-14341 679-10039 03 KSC-11097 679-1013408 Liquid/liquid heat exchanger NPO-14271 679-10329 03 Low-noise spectrophone GLASS FIBER REINFORCED PLASTICS NPO-14362 679-10040 03 Elect rodeposition process reduces Cost Plastic film insulates solar cells from of cold plates Monitoring harmful gases metal substrate KSC-11086 679-10211 04 MSC-19524 679-10570 08 M-FS-25007 679-10145 08 HEAT PUMPS GAS FLOW GLASS FIBERS Rankine-cycle solar-cooling systems Electrical indication of airflow rate Measuring insulation thickness M-FS-25094 B79-10051 03 M-FS-23873 679-10090 06 M-FS-23798 879-10108 06 Rankine-cycle heating and cooling Quartz ball value GLASSWARE systems NPO-14473 679-10128 07 Repairing cracked glass M-FS-23998 879-10052 03 Flow fields in supersonic inlets KSC-1 1097 679-10134 08 HEAT RESISTANT ALLOYS ARC-11098 879-10253 06 GLAZES Strength enhancement of prealloyed Bifunctional gas-flow regulator Characterizing glass frits for slurries powder superalloys NPO-13135 B79-10266 07 MSC-18322 679-10101 06 LEWIS-13173 879-10221 04

1-13

HEAT SHIELDING SUBJECT INDEX

Cleaning contaminated superalloy Design and installation of a Installation package - home solar powders solar-powered hot-water system heater LEWIS-13041 679-10279 08 M-FS-25080 B79-10190 03 M-FS-25338 B79-10498 03 Engineering properties of lncoloy-903 The design of solar-heating systems HELICOPTER CONTROL and CTX-1 M-FS-25108 B79-10191 03 Higher gain for feedback control subject M-FS-23359 679-10512 04 The design of solar-heating and cooling to vibrations HEAT SHIELDING systems LANGLEY-12215 879-10170 02 High-temperature insulation M-FS-25106 679-10192 03 HELICOPTERS M-FS-19498 B79-10370 04 Design package for a solar-heating Faired instrumentation for aerodynamic Thermal seal for high and low system tests temperatures M-FS-25136 879-10193 03 LANG LEY- 11201 B79-10385 06 MSC-16151 679-10413 07 Modular solar-heating system - design Natural modes of helicopter rotor Flexible heat-and-pressure seal package blades MSC-18134 B79-10414 07 LANGLEY-12501 B79-10397 06 M-FS-25130 B79-10195 03 Helicopter sling loads HEAT STORAGE Concentric-tube solar collector LANGLEY-12557 879-10544 06 Analysis of building heating and cooling M-FS-25133 B79-10196 03 NPO-14683 879-10067 03 HELIUM Performance verification of an air solar Extending the range of leak detectors HEAT TRANSFER COEFFICIENTS collector M-FS-19411 879-1010406 Weathering of a flat-plate solar M-FS-25131 679-10197 03 HELMETS collector Preliminary design of an air solar Improved temperature-control garment M-FS-25160 B79-10348 03 collector ARC-11239 B79-10227 05 HEAT TRANSMISSION M-FS-25138 679-10198 03 HERMETIC SEALS Automatic thermal switch Design review of a liquid solar collector Window with integral seal GSFC-12415 879-10400 07 M-FS-25140 B79-10199 03 MSC-16490 879-10141 08 HEAT TREATMENT Development of nonmetallic solar Confined explosive joining of tubes Protecting brazing furnaces from air collector and solar-powered pump LANG LEY- 12248 B79-10280 08 leaks M-FS-25143 B79-10200 03 HIGH PRESSURE M-FS-19379 B79-10574 08 Cost-reduction analysis for a Controlling a wide range of flow rates HEATING solar-heating system NPO-14312 679-10249 06 Fuel gas from biodigestion M-FS-25152 B79-10202 03 Sealed high-pressure X-ray detector M-FS-23957 879-10042 03 Solar-powered jet refrigerator GSFC-12519 B79-10492 03 Analysis of building heating and cooling NPO-14550 679-10251 06 High-temperature high-pressure NPO-14683 879-10067 03 All-glass solar collector magnetic pickup Heated tool for autoclaves M-FS-23870 B79-10334 03 MSC-18389 B79-10532 06 LEWIS-12987 879-10411 07 Solar-heating system design package HIGH RESOLUTION HEATING EQUIPMENT M-FS-25226 B79-10335 03 High-resolution spectrometer Solar-powered pump Test and evaluation of a solar-heating NPO-14372 679-10328 03 M-FS-23996 879-10033 03 system HIGH TEMPERATURE Rankine-cycle heating and cooling M-FS-25201 B79-10336 03 High-temperature high-pressure systems Installation package for a solar-heating magnetic pickup M-FS-23998 679-10052 03 system MSC-18389 B79-10532 06 M-FS-25 198 B79-10337 03 HIGH TEMPERATURE AIR Design information for solar-heating Verification tests for a solar-heating Air solar collector-installation package systems system M-FS-25031 879-10056 03 M-FS-25097 879-10053 03 M-FS-25 178 679-10338 03 Cost analysis of hot-air solar-heating Solar-heating system-performance tests Residential solar-heating/cooling systems M-FS-25116 B79-10054 03 system M-FS-25092 B79-10063 03 Performance test for a solar water M-FS-25166 679-10339 03 HIGH TEMPERATURE ENVIRONMENTS heater Installation package for a solar-heating A thermocouple for hot, oxidizing M-FS-25114 879-1005503 system environments Air solar collector-installation package M-FS-25157 B79-10340 03 LANGLEY-12229 B79-10247 06 M-FS-25031 B79-10056 03 Liquid solar collector HIGH TEMPERATURE FLUIDS Liquid solar collector-performance M-FS-25218 679-10341 03 Quartz ball value evaluation Final report on the concentric-tube solar NPO-14473 679-10128 07 M-FS-25090 879-10058 03 collector HIGH TEMPERATURE LUBRICANTS Design of a concentrating solar M-FS-25188 879-10342 03 Improved piston rings for a stirling collector Collector performance at various engine M-FS-25098 679-10060 03 air-channel depths NPO-14497 679-10412 07 Concentrating solar M-FS-25159 679-10343 03 HIGH TEMPERATURE TESTS collector-performance tests Fin-tube solar collectors Containerless high-temperature M-FS-25086 B79-10061 03 M-FS-25238 679-10344 03 calorimeter Controller for solar heating-design Certification of the concentrating solar M-FS-23923 879-10086 06 package collector HINGES M-FS-25009 679-10062 03 M-FS-25220 879-10345 03 Collector performance after weathering Hinge-connected rigid bodies Cost analysis of hot-air solar-heating M-FS-25187 B79-10346 03 NPO-11964 B79-10116 06 systems Concentrating solar collector - final HOLDERS M-FS-25092 B79-10063 03 design Attaching strain transducers to fragile Fluidized coal combustion M-FS-25186 B79-10347 03 materials NPO-14273 879-10070 04 Zone-controlled resistance heater MSC-16580 879-10105 06 High-performance solar collector MSC-16251 679-10387 06 Fixture for limited-access welding M-FS-25135 879-10178 03 Sealed-in-quartz resistance heater MSC-16698 B79-10135 08 Simple, economical solar collector NPO-14529 B79-10402 07 Fixture for assembling solar panels M-FS-25109 879-10179 03 Programable solar-energy controller NPO-14303 879-10147 08 Performance evaluation of a liquid solar M-FS-25189 B79-10495 03 Adjustable holder for transducer collector Weathering of a liquid solar collector mounting M-FS-25026 879-10189 03 M-FS-25300 679-10496 03 MSC-18371 879-10535 06

1-14

SUBJECT INDEX INFRARED LASERS

HOLOGRAPHIC INTERFEROMETRY HYPERFINE STRUCTURE Automatically classifying Earth features Improved flaw-detection method Unresolved Mossbauer hyperfine from orbit LANG LEY- 11866 879-10378 06 spectra LANG LEY- 12589 879-10493 03 Triple-exposure holography for materials LANGLEY-12439 679-10513 04 LANDSAT signature development tests program M-FS-25180 B79-10519 06 KSC-11113 879-10501 03 HOLOGRAPHY IMMUNOLOGY Nondestructive weld test by holography Identification of micro-organisms M-FS-23826 B79-10245 06 IDENTIFYING MSC-18358 B79-10085 05 Optical comparator uses holographic Identification of micro-organisms IMPURITIES subtraction MSC-18358 679-10085 05 Unresolved Mossbauer hyperfine LANGLEY-12126 879-10590 09 Test-configuration identifiers spectra HONEYCOMB STRUCTURES KSC-11087 B79-10102 06 LANG LEY- 12439 879-10513 04 Plug and drill template ILLUMINATING INCONEL (TRADEMARK) MSC-16748 B79-10120 07 Projection optics for a laser velocimeter Engineering properties of lncoloy-903 Fastening hardware to honeycomb LANGLEY-12328 B79-10045 03 and CTX-1 panels Energy saver for industrial lighting M-FS-23359 879-10512 04 MSC-16752 B79-10142 08 KSC-11103 B79-10388 06 Arc-termination cracks in inconel 718 Plastic film insulates solar cells from IMAGE ENHANCEMENT and incotoy, 903 metal substrate Improving low-illumination video M-FS-25089 B79-10588 08 M-FS-25007 879-10145 08 MSC-14841 679-10016 02 INDEXES HORN ANTENNAS Improvement of CAT scanned images An annotated energy bibliography Low-backlobe microwave transmitting LEWIS-13276 879-10374 05 LANGLEY-12488 879-10065 03 horn IMAGERY INDICATING INSTRUMENTS NPO-14077 B79-10003 01 Real-time video-image analysis Electrical indication of airflow rate NPO-14282 879-10018 02 M-FS-23873 879-10090 06 Signal separator for dual-frequency Improved flight-simulator viewing lens antenna LANGLEY-12251 679-10044 03 Volume-change indicator for molding NPO-14022 B79-10021 02 Projection optics for a laser velocimeter plastic Dual hybrid mode feed horn LANGLEY-12328 B79-10045 03 LANGLEY-12280 879-10123 07 NPO-13594 B79-10168 02 High-resolution echocardiography Precision leveling of large machinery HUMAN BODY NPO-14349 B79-10081 05 NPO-13257 B79-10131 07 Low-dose total-body-calcium analysis Inexpensive land-use maps extracted Mechanical-load indicator MSC-18282 B79-10233 05 from satellite data MSC-19511 879-1053406 HUMAN FACTORS ENGINEERING M-FS-25111 679-10150 09 INDIUM ALLOYS LED display for solo aircraft instrument LANDSAT and water pollution Economical solder connections to thin navigation M-FS-25099 679-10151 09 films LANG LEY-12292 B79-10023 02 Analyzing Earths surface data GSFC-12404 879-10286 08 HUMAN TOLERANCES M-FS-25051 679-10152 09 INDIUM PHOSPHIDES Improved temperature-control garment Microprocessor-based interface for Ohmic contact to p-type indium ARC-11239 B79-10227 05 oceanography phosphide LANGLEY-12351 879-10490 03 HUMIDITY NPO-14566 679-10173 02 Computer analysis of LANDSAT data INDUCTION MOTORS Measuring moisture in the atmosphere Fast-response power saver for induction M-FS-25032 B79-10110 06 M-FS-25 105 879-10204 03 motors HYDRAULIC EQUIPMENT AOIPS classification package GSFC-12374 M-FS-23988 679-10004 01 Quartz ball value 879-10207 03 INDUCTORS NPO-14473 879-10128 07 Thermographic inspection of welded Inductorless tuned circuit for high Zero-leak valve contacts frequencies NPO-14717 879-10421 07 M-FS-25093 B79-10244 06 GSFC-12410 679-10294 01 HYDRAZINES Diazo techniques for remote sensor data Rise-time control in saturated amplifiers Monitoring harmful gases analysis MSC-14934 B79-10452 01 KSC-11086 B79-10211 04 M-FS-25110 B79-10246 06 INDUSTRIAL ENERGY Determining resin/fiber content of Video-compression scheme Solar energy for industrial process heat laminates ARC-10984 879-10316 02 NPO-14498 B79-10064 03 LANG LEY- 12442 879-10216 04 Field-flattener lens INDUSTRIAL SAFETY Low cost disposal of MMH MSC-18373 B79-10327 03 Ensuring flat Cuts in longwall mining KSC-11135 879-1050304 Guide to remote-sensor data systems M-FS-23726 879-1011807 HYDROCARBON FUELS M-FS-25169 879-10349 03 INDUSTRIAL WASTES Improved coal-slurry pipeline Image-analysis library Marine chlorophyll a analysis NPO-14425 B79-10041 03 MSC-18178 879-10442 09 LANGLEY-2293 879-10048 03 HYDROGEN Optical comparator uses holographic INFORMATION SYSTEMS Detecting oxygen in hydrogen or subtraction Multipurpose interactive NASA hydrogen in oxygen LANGLEY-12126 879-10590 09 information system MSC-18380 879-10365 04 M-FS-23753 679-10292 09 HYDROGEN EMBRITTLEMENT IMAGES INFRARED DETECTORS Electroplating offers embrittlement Comparing data transmission systems Improved lnSb photodiode preamplifier protection NPO-14642 879-10290 09 circuit M-FS-19330 679-10140 08 IMAGING TECHNIQUES NPO-14418 B79-10007 01 HYDROGEN FUELS Electronic pictures from charged-coupled Optical system for multispectral Axial-flow turbopumps devices scanner LEWIS-13228 879-10273 07 GSFC-12324 B79-10015 02 MSC-18255 879-10047 03 Compact reactor for onboard hydrogen Optically coupling tunable diode lasers Photocapacitive infrared detector and generation LANGLEY-12438 879-10043 03 solar cell LEWIS-13033 B79-10368 04 Focusing laser scanner LANGLEY-12345 879-10162 01 HYGROMETERS M-FS-25102 679-10184 03 INFRARED LASERS Measuring moisture in the atmosphere Transmitter/ receiver for laser imaging Lens window simplifies TOIL housing M-FS-25032 879-1011006 MSC-18196 879-10325 03 LANGLEY-12437 879-10183 03

1-15

INFRARED SPECTROMETERS SUBJECT INDEX

INFRARED SPECTROMETERS Detecting insulation defects in IONIZATION High-resolution spectrometer metal/plastic films An improved welding-arc starter NPO-14372 B79-10328 03 M-FS-25127 B79-10524 06 MSC-17415 879-10575 08 INITIATORS (EXPLOSIVES) INTEGRATED CIRCUITS IONIZING RADIATION 'Three-dimensional' vibration fixture Remote manipulator for IC wafers FEP plug protects H2 masers MSC-16305 879-10528 06 M-FS-23846 B79-10122 07 GSFC-12552 B79-10494 03 INJURIES CMOS circuit-fabrication handbook Microcomputer helps evaluate skin IRON ALLOYS M-FS-25034 B79-10148 08 Unresolved Mossbauer hyperfine burns Lift-off procedure improves pattern NPO-14402 B79-10082 05 spectra definition LANGLEY-12439 879-10513 04 INORGANIC COMPOUNDS LANGLEY-12392 879-10287 08 Flat-flame burner Quality control during IC processing IRRADIANCE LEWIS-13161 879-10218 04 M-FS-25112 879-1028808 Pointing errors in solar dish collectors IN SOLATI ON Automatic inspection of silicon wafers NPO-14630 679-10181 03 Sun tracker for clear or cloudy weather M-FS-25 124 879-10384 06 IRRADIATION M-FS-23999 B79-10036 03 Design rules for CMOS/SOS Circuits Irradiation pretreatment for coal Concentrating solar M-FS-25132 B79-10430 08 desulfurization collector-performance tests CMOS/SOS processing NPO-14104 679-10069 04 M-FS-25086 B79-10061 03 M-FS-25176 B79-10431 08 IRRIGATION Solar insolation model Photomask and pattern programs Analyzing water resources NPO-14787 879-10350 03 NPO-14419 879-10434 08 M-FS-25104 679-10235 05 INSPECTION Stitch-bond parallel-gap welding for IC ISOLATION Ultrasonic grating checks electron-beam Circuits welds Improved isolation in double-balanced 879-10094 06 MSC-16459 879-10560 08 mixers M-FS-19422 Multilayer metalization of MOS ICs NPO-14415 679-10012 01 Inspecting cracks in foam insulation M-FS-23541 879-10562 08 M-FS-23799 B79-10107 06 ISOLATORS Thermographic inspection of welded Improved process control for VMOS Metallic vibration isolators FETs M-FS-23949 879-10129 07 contacts GSFC-12515 679-10563 08 M-FS-25093 879-10244 06 Isolator/ retainer for connectors INTEGRATORS Nondestructive weld test by holography Improved InSb photodiode preamplifier MSC-18527 679-10312 01 M-FS-23826 879-10245 06 circuit Rotatable microscope stage NPO-14418 B79-10007 01 MSC-18549 879-10332 03 INTERFACES Automatic inspection of silicon wafers Microprocessor-based interface for J M-FS-25124 879-10384 06 oceanography INSTALLING NPO-14566 879-10173 02 JACKS (LIFTS) Design information for solar-heating Biased-receiver digital interface Thermal jack systems MSC-14968 B79-10448 01 M-FS-19365 679-10579 08 M-FS-25097 879-10053 03 INTERFEROMETERS JET AIRCRAFT NOISE Design of a concentrating solar A chevron beam-splitter interferometer Simple noise suppressor for vented collector NPO-14502 879-10046 03 high-pressure gas M-FS-25098 679-10060 03 INTERNAL COMBUSTION ENGINES LEWIS-13231 B79-10265 07 Cost analysis of hot-air solar-heating Compact reactor for onboard hydrogen Acoustical measurement separates core systems generation M-FS-25092 B79-10063 03 noise and jet noise LEWIS-13033 B79-10368 04 NPO-14698 B79-10525 06 Precision leveling of large machinery Improved piston rings for a stirling NPO-13257 879-10131 07 engine JET ENGINE FUELS INSTRUMENT PACKAGES NPO-14497 679-10412 07 Model for refining operations Antitheft container for instruments INVERTED CONVERTERS (DC TO AC) LEWIS-13047 B79-10293 09 GSFC-12399 879-10103 06 Direct-current drive for ac motors JET ENGINES An evaluation of low-cost payload NPO-14427 B79-10296 01 Multiple-camera automatic controller carrier INVERTERS LEWIS-12711 B79-10175 02 M-FS-25129 879-10536 06 Reliable inverter systems Measuring acoustic properties of INSULATION NPO-14163 879-10026 02 materials and jet nozzles Design information for solar-heating INVISCID FLOW LEWIS-13265 679-10521 06 systems Transonic airfoil analysis and design M-FS-25097 B79-10053 03 LANGLEY-12354 679-10543 06 JET FLAPS Inspecting cracks in foam insulation ION EXCHANGE MEMBRANE Aerodynamic performance of jet-flap ELECTROLYTES wings M-FS-23799 B79-10107 06 ARC-11215 B79-10541 06 Removable fastener for insulating tiles Improved ion-selective membranes MSC-16483 679-10124 07 LEWIS-12678 B79-10222 04 JIGS Repairing cracked glass ION EXCHANGE RESINS Fixture for limited-access welding Improved microbial-check-valve resins MSC-16698 879-10135 08 KSC-11097 879-1013408 MSC-18377 879-10376 05 Temporary insulation with polyurethane ION EXCHANGING Fixture for assembling solar panels foam Low-cost, high-performance separator NPO-14303 879-10147 08 MSC-18298 879-10139 08 for alkaline batteries JOINTS (JUNCTIONS) Fibrous refractory composite insulation LEWIS-12972 679-10281 08 Hinge-connected rigid bodies ARC-11169 879-1022404 ION IMPLANTATION NPO-11964 879-1011606 Fastener for easy installation and removal Improved process control for VMOS Confined explosive joining of tubes of tiles FET's MSC-16892 679-10276 08 GSFC-12515 879-10563 08 LANGLEY-12248 679-10280 08 Insulating seal for cryogenic-liquid ION SOURCES JOSEPHSON JUNCTIONS transfer A low-cost molecular-leak value Proposed Josephson voltage standard KSC-11105 679-1041507 LANGLEY-12249 679-10504 04 M-FS-23845 879-10482 03

1-16

SUBJECT INDEX LOADING MOMENTS

K LASER OUTPUTS Germanium-on-lnP Lens window simplifies TDL housing ure LED KERNEL FUNCTIONS LANGLEY-12437 879-10183 03 LANGLEY-12349 B79-10488 03 Interfering surfaces in subsonic, LASERS LIGHT SOURCES transonic, and supersonic flow Optically coupling tunable diode lasers Sensor/amplifier for weak light sources LANGLEY-12524 879-10398 06 LANGLEY-12438 B79-10043 03 M-FS-25025 879-10449 01 Projection optics for a laser velocimeter KNUDSEN FLOW LIGHT TRANSMISSION High-pressure LANGLEY-12328 B79-10045 03 mass-spectrometric Laser alignment of large assemblies Fiber-optic crossbar switch sampling system KSC-11104 B79-10006 01 LEWIS-12913 B79-10219 04 MSC-19346 B79-10097 06 Preionized discharge for Transparent solar cell module short-wavelength laser NPO-14304 B79-10034 03 NPO-13945 879-10186 03 LIGHTING EQUIPMENT I Transmitter/ receiver for laser imaging Energy saver for industrial lighting MSC-18196 B79-10325 03 KSC-11103 679-1038806 LABORATORIES Improved degradation resistance of LIGHTNING Identification of micro-organisms (AIGa)As lasers Cloud-to-ground lightning detector MSC-18358 879-10085 05 LANGLEY-12242 B79-10486 03 KSC-11099 B79-10025 02 Improved vapor-growth technique for LABORATORY EQUIPMENT Ill-V compound lasers Lightning protection for aircraft Quartz ball value LEWIS-12981 879-10392 06 NPO-14473 B79-10128 07 LANGLEY-12255 B79-10487 03 Improved thermal-conducting and LIMBS (ANATOMY) LACQUERS current-confining film Artificial limb connector Applying photosensitive emulsions to KSC-11069 B79-10083 05 enamel surfaces LANG LEY-12350 879-10489 03 MSC-18107 Ohmic contact to p-type indium LIMITER CIRCUITS B79-1014408 phosphide Voltage-controlled attenuator with low LAMINATES LANGLEY-12351 B79-10490 03 phase shift Determining resin/fiber Content of CdlnP semiconductor alloy NPO-14347 679-10301 01 laminates LANGLEY-12405 B79-10491 03 LANGLEY-12442 B79-10216 04 Limiting amplifier for microwaves LATCHES MSC-18471 679-10314 01 Predicting the wet strength of Antenna deployment mechanism laminates GSFC-12331 B79-10121 07 LINEAR FILTERS MSC-18022 B79-10242 06 Remotely controlled latch Fader and ramp shaper replace linear High-energy-density flat flexible filters MSC-18365 B79-10403 07 MSC-16115 679-10031 02 capacitors LATHES LEWIS-13000 B79-10284 08 Low-cost boring mill LINEAR SYSTEMS Improved flaw-detection method Linear continuous and sampled-data KSC-11112 879-1026807 systems LANG LEY- 11866 B79-10378 06 LEAKAGE Detecting insulation defects in FRC-10114 879-1044009 Extending the range of leak detectors LININGS metal/plastic films M-FS-19411 B79-10104 06 M-FS-25127 B79-10524 06 Annular acoustic liners for turbofan Vacuum-and-pressure laminating Zero-leak valve engines polymer materials NPO-14717 B79-10421 07 LEWIS-12810 679-10133 07 LEWIS-12721 879-10583 08 Protecting brazing furnaces from air LIQUID OXYGEN LAND USE leaks Vacuum-bonded covering withstands low Inexpensive land-use maps extracted M-FS-19379 B79-10574 08 temperatures from satellite data LENSES MSC-16235 B79-10509 04 M-FS-25111 879-1015009 Improved flight-simulator viewing lens LIQUID ROCKET PROPELLANTS LANDSAT SATELLITES LANGLEY-12251 B79-10044 03 Estimating effects of accidental Computer analysis of LANDSAT data Design of a concentrating solar propellant explosions M-FS-25 105 B79-10204 03 collector LEWIS-13247 B79-10252 06 Guide to remote-sensor data systems M-FS-25098 879-10060 03 LIQUID-GAS MIXTURES M-FS-25169 879-10349 03 Lens window simplifies TOL housing Silicon tetrachloride spray feeder Automatically classifying Earth features LANGLEY-12437 879-10183 03 NPO-14382 879-10073 04 from orbit Field-flattener lens Separating liquid and gaseous solutions LANGLEY-12589 879-10493 03 MSC-18373 B79-10327 03 M-FS-23368 LANDSAT 879-10506 04 signature development General optics evaluation program LIQUID-LIQUID INTERFACES program GSFC-12439 B79-10351 03 Liquid/liquid heat exchanger KSC-11113 B79-10501 03 LEVELING LANTHANUM FLUORIDES NPO-14271 879-10329 03 Precision leveling of large machinery LIQUID-VAPOR EQUILIBRIUM Improved insulator layer for MIS NPO-13257 devices 879-10131 07 Simple estimate of critical volume LANG LEY-12455 879-10302 01 LEVITATION NPO-14464 879-10358 04 LARGE SCALE INTEGRATION Improved acoustic levitation apparatus LIQUID-VAPOR INTERFACES Cost savings in LSI fabrication M-FS-25050 879-10567 08 Phase changes in liquid face seals M-FS-25079 B79-10589 08 LIGHT (VISIBLE RADIATION) LEWIS-12994 879-10395 06 LASER APPLICATIONS A chevron beam-splitter interferometer LIQUIDS All-electric gas detector NPO-14502 879-10046 03 Liquid solar collector-performance NPO-14341 879-10039 03 Preionized discharge for evaluation Low-noise spectrophone short-wavelength laser M-FS-25090 879-10058 03 NPO-14362 879-10040 03 NPO-13945 679-10186 03 LOAD TESTS Focusing laser scanner LIGHT EMITTING DIODES Static load testing of a liquid solar M-FS-25102 879-10184 03 LED display for solo aircraft instrument collector Solar-cell defect analyzer navigation M-FS-25115 B79-10057 03 NPO-14476 B79-10379 06 LANGLEY-12292 B79-10023 02 LOADING MOMENTS LASER DOPPLER VELOCIMETERS Simpler cabling and power link for Accurate determination of work in Projection optics for a laser vetocimeter remote readouts three-point bend tests LANGLEY-12328 879-10045 03 GSFC-12411 B79-10028 02 LEWIS-13034 879-10236 06

1-17

LOADS (FORCES) SUBJECT INDEX

LOADS (FORCES) Repairing ceramic insulating tiles MEASUREMENT Redundant structures at elevated MSC-18368 679-10426 08 Measuring signal-to-noise ratio temperatures Repairing flat cables automatically MSC-18476 B79-10540 06 LANG LEY- 1195O 879-10557 08 NPO-14582 679-10297 01 LOCKS (FASTENERS) MANAGEMENT INFORMATION MEASURING INSTRUMENTS Antitheft container for instruments SYSTEMS Electrical indication of airflow rate GSFC-12399 B79-10103 06 A flexible data base M-FS-23873 B79-10090 06 LOGIC CIRCUITS NPO-13777 879-10438 09 Accurate measurements of mass and A telephone multiline signaling system MANDRELS center of mass KSC-11023 B79-10030 02 Volume-change indicator for molding NPO-14428 B79-10095 06 Offset compensation for A/D plastic Measuring moisture in the atmosphere converters LANGLEY-12280 M-FS-25032 B79-10110 06 NPO-13438 B79-10123 07 B79-10163 01 MANIPULATORS Displacement gage modified for multiple Development of CMOS integrated measurements circuits Remote manipulator for IC wafers M-FS-23846 B79-10122 07 LEWIS-13036 B79-10238 06 M-FS-25121 B79-10165 01 MECHANICAL DEVICES Real-time digital integrator Slip sensor Parachute deploy/Release mechanism NPO-14530 679-10447 01 NPO-14655 B79-10405 07 LANG LEY-1 1575 679-1012607 Biased-receiver digital interface Coupler for remote manipulators MECHANICAL DRIVES MSC-14968 B79-10448 01 GSFC-12429 679-10406 07 Film-advance monitor Conserving power in computer MAPPING LANGLEY-12474 679-1011907 memories Analyzing Earth's surface data Antenna deployment mechanism LANG LEY-1 1952 B79-10477 02 M-FS-25051 B79-10152 09 GSFC-12331 679-10121 07 LONGITUDINAL STABILITY Microprocessor-based interface for Compact rotary sequencer Characteristics of wing/body/tail oceanography MSC-19514 679-10401 07 configurations NPO-14566 B79-10173 02 MEDICAL ELECTRONICS ARC-11224 B79-10254 06 MAPS Low-frequency attenuator circuit LOUDNESS Inexpensive land-use maps extracted FRC-11012 879-1001001 Overall loudness of steady sounds from satellite data MEDICAL EQUIPMENT LEWIS-12914 679-10538 06 M-FS-25111 879-10150 09 Artificial limb connector LOW FREQUENCIES MARINE ENVIRONMENTS KSC-11069 679-1008305 Low-frequency attenuator circuit Marine chlorophyll a analysis MEMBRANES LANGLEY-12293 679-10048 03 Improved ion-selective membranes FRC-11012 B79-10010 01 LEWIS-12678 879-10222 04 LOW GRAVITY MANUFACTURING MARKING Precision scriber MESH Separating liquid and gaseous solutions Metallic vibration isolators M-FS-23368 679-10506 04 LEWIS-12976 B79-10566 08 MARKOV PROCESSES M-FS-23949 679-10129 07 LOW PASS FILTERS METAL BONDING Fader and ramp shaper replace linear Redundant system reliability analysis LANGLEY-12069 B79-10153 09 Furnace brazing under partial vacuum filters M-FS-19363 679-10137 08 MSC-16115 B79-10031 02 MASERS Room-temperature bonding of thin Computation-saving digital filter improving maser frequency stability plastic sheets MSC-18057 679-10154 01 GSFC-12400 679-10331 03 NPO-14346 679-10138 08 CMOS analog switches for adaptive MASKING Bonding soft rubber or plasticized filters Temporary insulation with polyurethane elastomers to metal NPO-14442 B79-10307 01 foam M-FS-25181 879-10582 08 LUBRICANTS MSC-18298 B79-10139 08 Electromagnetic bonding of plastics to RF-sputtered and ion-plated solid MASS aluminum lubricants Accurate measurements of mass and M-FS-25083 679-10585 08 LEWIS-13147 B79-10433 08 center of mass METAL COATINGS NPO-14428 679-10095 06 Room-temperature bonding of thin MASS SPECTROMETERS plastic sheets Extending the range of leak detectors NPO-14346 679-10138 08 M M-FS-19411 B79-10104 06 A plasma-sprayed valve coating Multiplexed mass spectrometer for M-FS-19494 679-10568 08 MACHINE TOOLS desorption studies METAL FATIGUE Lash-free spherical bearing ARC-11134 679-1018503 Stress corrosion in high-strength M-FS-23447 679-10259 07 Improved time-of-flight mass aluminum alloys Low-cost boring mill spectrometer M-FS-23986 B79-10372 04 KSC-11112 679-1026807 ARC-11090 679-10187 03 METAL FILMS MACHINING High-pressure mass-spectrometric Controlled metal-film deposition on Adjusting an electron beam for drilling sampling system alumina substrates M-FS-19326 B79-10572 08 LEWIS-12913 B79-10219 04 ARC-11214 879-1008004 MAGNETIC TRANSDUCERS A low-cost molecular-leak value LANGLEY-12249 B79-10504 04 Peel testing metalized films Slip sensor NPO-14672 679-10382 06 NPO-14655 MATERIALS HANDLING 679-10405 07 Coupler for remote manipulators Improved thermal-conducting and High-temperature high-pressure GSFC-12429 879-10406 07 current-confining film magnetic pickup Fabrication of a pillowed airbag LANG LEY-12350 879-10489 03 MSC-18389 679-10532 06 MSC-18455 679-10424 08 METAL JOINTS MAINTENANCE Helicopter sling loads Push test for switch welds Cost analysis of hot-air solar-heating LANGLEY-12557 B79-10544 06 M-FS-25027 679-10092 06 systems MATHEMATICAL MODELS METAL MATRIX COMPOSITES M-FS-25092 879-10063 03 Solar insolation model Composites of immiscible metals Troubleshooting plated-wire memories NPO-14787 B79-10350 03 M-FS-23816 879-10508 04 M-FS-23903 679-10099 06 MAXIMUM LIKELIHOOD ESTIMATES METAL OXIDE SEMICONDUCTORS Repairing cracked glass Maximum-likelihood data decoder CMOS circuit-fabrication handbook KSC-11097 B79-10134 08 NPO-13574 B79-10172 02 M-FS-25034 B79-10148 08

1-18

SUBJECT INDEX MOLECULAR STRUCTURE

Development of CMOS integrated MICROMETERS MINING Circuits Determining radii of cylindrical Ensuring flat Cuts in longwall mining M-FS-25121 B79-10165 01 segments M-FS-23726 B79-10118 07 CMOS analog switches for adaptive LEWIS-12826 B79-10537 06 Measuring coal thickness filters MICROMINIATURIZATION M-FS-23979 879-10363 04 NPO-14442 B79-10307 01 CMOS circuit-fabrication handbook MIRRORS Measuring charge nonuniformity, in MOS M-FS-25034 B79-10148 08 Transmitter/ receiver for laser imaging devices MICROORGANISMS MSC-18196 879-10325 03 NPO-14585 B79-10308 01 Identification of micro-organisms General optics evaluation program Design rules for CMOS/SOS Circuits MSC-18358 B79-10085 05 GSFC-12439 879-10351 03 M-FS-25132 B79-10430 08 Cinemicrographic specimen housing LANGLEY-12047 MIS (SEMICONDUCTORS) CMOS/SOS processing B79-10231 05 Improved insulator layer for MIS M-FS-25176 Improved microbial-check-valve resins B79-10431 08 MSC-18377 B79-10376 05 devices Multilayer metalization of MOS IC's Indirect microbial detection LANGLEY-12455 879-10302 01 M-FS-23541 B79-10562 08 LANGLEY-1252O B79-10515 05 MISSION PLANNING Improved process control for VMOS MICROPROCESSORS Aircraft mission analysis FET's Microprocessor-controlled receiver LANG LEY- 12299 B79-10112 06 GSFC-12515 B79-10563 08 ARC-11275 B79-10318 02 Goddard trajectory determination METAL OXIDES MICROSCOPES GSFC-11946 879-1011406 Controlled metal-film deposition on Rotatable microscope stage MISSIONS alumina substrates MSC-18549 679-10332 03 Aircraft mission analysis ARC-11214 879-1008004 Microscope for high-temperature LANGLEY-12299 879-1011206 METAL POWDER welding MITOSIS Strength enhancement of prealloyed MSC-19572 B79-10576 08 Indirect microbial detection powder superalloys MICROSCOPY LANGLEY-12520 879-10515 05 LEWIS-13173 879-10221 04 Cinemicrographic specimen housing MIXING CIRCUITS METAL SHEETS LANGLEY-12047 879-10231 05 Improved isolation in double-balanced All-metal muffler for ducts MICROWAVE AMPLIFIERS mixers ARC-11159 B79-10262 07 FEP plug protects H2 masers NPO-14415 679-10012 01 Safe bending of boron/aluminum GSFC-12552 B79-10494 03 MODE TRANSFORMERS sheets MICROWAVE ANTENNAS Dual hybrid mode feed horn MSC-19525 B79-10428 08 Low-backlobe microwave transmitting NPO-13594 B79-10168 02 Welding multiple plies with an electron horn MODEMS beam NPO-14077 B79-10003 01 Teletype test unit M-FS-19428 879-10581 08 Analysis of aperture antenna radiation LANGLEY-12527 B79-10166 02 METAL WORKING pattern MODULATORS Low-cost boring mill MSC-16246 679-10066 03 Improved ripple rejection in a PWM KSC-11112 B79-10268 07 Dual hybrid mode feed horn MSC-16923 879-10164 01 METAL-METAL BONDING NPO-13594 B79-10168 02 All-digital QPSK modulator Removing bonded skin from a substrate MICROWAVE CIRCUITS MSC-16922 879-10320 02 MSC-19664 879-10587 08 Stress-relieved solder joints Digital generation of command-encoder METALLIZING MSC-14981 679-10556 08 waveforms Multilayer metalization of MOS IC's MICROWAVE EQUIPMENT GSFC-12203 679-10478 02 M-FS-23541 B79-10562 08 Group-delay standards MOISTURE CONTENT METALS NPO-13938 B79-10014 01 Predicting the wet strength of Metallic vibration isolators Measuring the permittivity of gases and laminates M-FS-23949 B79-10129 07 aerosols MSC-18022 B79-10242 06 METEOROLOGICAL INSTRUMENTS KSC-11090 B79-10239 06 MOISTURE METERS Measuring moisture in the atmosphere MICROWAVE FREQUENCIES Measuring moisture in the atmosphere M-FS-25032 B79-10110 06 Limited scan dual-band high-gain M-FS-25032 879-1011006 Microwave measurement of atmospheric antenna Moisture penetration in microcircuit pressure NPO-14038 679-10167 02 packages NPO-14450 879-10333 03 MICROWAVE SCATTERING M-FS-25087 879-10315 01 METEOROLOGICAL SATELLITES Microwave measurement of atmospheric MOLDING MATERIALS Meteorological data-processing package pressure Distortion-free foamed-plastic parts GSFC-12372 B79-10206 03 NPO-14450 679-10333 03 ARC-11233 879-10277 08 METHANE MICROWAVE SWITCHING MOLDS Fuel gas from biodigestion Components for an S-band Volume-change indicator for molding M-FS-23957 679-10042 03 communication subsystem plastic METHYL COMPOUNDS NPO-13955 879-10022 02 LANGLEY-12280 879-10123 07 Synthesis of 2. 4, 8, 1 O-tetroxaspiro (5.5) MICROWAVES Distortion-free foamed-plastic parts undecane Efficient dichroic plate for microwaves ARC-11233 879-10277 08 ARC-11243 B79-10356 04 GSFC-12171 679-10002 01 Evacuated-displacement compression MICROBIOLOGY Signal separator for dual-frequency molding Identification of micro-organisms antenna LANGLEY-12523 B79-10584 08 MSC-18358 B79-10085 05 NPO-14022 B79-10021 02 MOLECULAR FLOW MICROELECTRONICS MILK A low-cost molecular-leak value Removing overcoatings from Solar energy for industrial process heat LANGLEY-12249 879-10504 04 microcircuits NPO-14498 B79-10064 03 MOLECULAR SPECTRA M-FS-23851 B79-10285 08 MILLING MACHINES High-pressure mass-spectrometric Moisture penetration in microcircuit Low-cost boring mill sampling system packages KSC-11112 879-1026807 LEWIS-12913 879-10219 04 M-FS-25087 B79-10315 01 MINICOMPUTERS MOLECULAR STRUCTURE Cost savings in LSI fabrication Minicomputer version of SPAR Simple estimate of critical volume M-FS-25079 B79-10589 08 LANGLEY-12370 879-1011506 NPO-14464 B79-10358 04

1-19

MOMENTS OF INERTIA SUBJECT INDEX

MOMENTS OF INERTIA N Low-common-mode differential Centroids, moments, and radii of amplifier

gyration NAVIGATION - MSC-18201 679-10298 01 LEWIS-12765 B79-10117 06 SKYMAP star catalog NOISE SPECTRA Mass properties of a rigid structure GSFC-12445 879-10205 03 Self-calibrating threshold detector for LANGLEY-12454 B79-10441 09 noisy signals MONITORS NAVIGATION AIDS MSC-16370 679-10009 01 Bidirectional fluid-flow monitor Navigation-aid power systems NOISE THRESHOLD MSC-16762 879-10089 06 NPO-14466 679-10176 02 Overall loudness of steady sounds Audible monitor for electroplating NAVIGATION INSTRUMENTS LEWIS-12914 879-10538 06 M-FS-19333 B79-10106 06 LED display for solo aircraft instrument NONDESTRUCTIVE TESTS Film-advance monitor navigation Measuring the thickness of plastic films LANGLEY-12474 B79-10119 07 LANGLEY-12292 879-10023 02 ARC-11219 B79-10098 06 NEUTRON ACTIVATION ANALYSIS Reliability of nondestructive evaluation Monitoring harmful gases data KSC-11086 B79-10211 04 Low-dose total-body-calcium analysis MSC-18282 679-10233 05 LEWIS-12908 679-10257 06 MONOMERS NEWTON-RAPHSON METHOD Solar-cell defect analyzer Improved synthesis of polyformals NPO-14476 B79-10379 06 ARC-11244 879-1050504 Nonlinear structural analysis M-FS-25122 B79-10539 06 Triple-exposure holography for materials MONTE CARLO METHOD tests Monte Carlo variance reduction NEWTONIAN FLUIDS M-FS-25180 679-10519 06 M-FS-23645 879-10499 03 Relating viscosity to polymer concentration NUCLEAR ELECTRIC POWER MOSSBAUER EFFECT NPO-14609 679-10357 04 GENERATION Mossbauer study of FeSi2 and FeSe thin Nuclear electro-optic power films Equilibrium swelling of elastomers in LANGLEY-12496 679-10481 03 M-FS-25088 B79-10371 04 solvents - NUCLEAR REACTORS Unresolved Mossbauer hyperfine NPO-14637 B79-10359 04 Degassing procedure for ultrahigh spectra NICKEL ALLOYS vacuum LANG LEY- 12439 879-10513 04 Electroplating offers embrittlement M-FS-25103 679-10188 03 protection MOTORS M-FS-19330 B79-10140 08 NUMERICAL ANALYSIS Fast-response power saver for induction Numerical analysis of complex fluid-flow motors Strength enhancement of prealloyed systems M-FS-23988 879-10004 01 powder superalloys M-FS-25125 679-10591 09 LEWIS-13173 879-10221 04 NUMERICAL CONTROL MOUNTING Engineering properties of Incoloy-903 Technique for mounting pyroelectric Dynamic-pressure regulator and CTX-1 MSC-18415 679-10418 07 detector arrays M-FS-23359 679-10512 04 LANG LEY-12363 679-10425 08 Programable solar-energy controller NICKEL PLATE M-FS-25189 679-10495 03 Adjustable holder for transducer Electrodeposition process reduces cost mounting of cold plates NUTS (FASTENERS) MSC-18371 B79-10535 06 Fastening hardware to honeycomb MSC-19524 B79-10570 08 panels MUFFLERS Repairing sealing surfaces on aluminum MSC-16752 679-10142 08 All-metal muffler for ducts castings ARC-11159 879-1026207 Retainers for threaded parts M-FS-19455 B79-10573 08 MSC-16198 679-10264 07 MULTIPLEXING Brazing titanium to stainless steel Extra-strong 'floating nut Simpler cabling and power link for remote LANGLEY-11441 B79-10577 08 MSC-16938 679-10270 07 readouts NIOBIUM GSFC-12411 B79-10028 02 Fatigue properties of columbium alloy Optical memories in digital computing MSC-18256 679-10225 04 M-FS-23897 B79-10032 02 NITROGEN DIOXIDE [I] Multiplexed mass spectrometer for Monitoring harmful gases desorption studies KSC-1 1086 679-10211 04 O RING SEALS ARC-11134 879-1018503 NITROUS OXIDES Rubber valve seal with tough skin MULTIPLIERS Remote measurement of atmospheric LANG LEY-1 1716 879-1012507 VHF frequency multiplier pollutants Stiffness and damping of elastomeric NPO-13700 879-10005 01 LANGLEY-12277 879-10210 04 0-rings LEWIS-13079 679-10132 07 MULTISPECTRAL BAND SCANNERS NODES (STANDING WAVES) Optical system for multispectral Improved acoustic levitation apparatus Window with integral seal scanner M-FS-25050 679-10567 08 MSC-16490 679-10141 08 MSC-18255 B79-10047 03 NOISE MEASUREMENT Multipurpose seals for pressure vessels Acoustical measurement separates core LEWIS-12944 B79-10263 07 MULTISPECTRAL PHOTOGRAPHY noise and jet noise OCEAN DATA ACQUISITIONS Marine chlorophyll a analysis NPO-14698 679-10525 06 LANGLEY-12293 679-10048 03 SYSTEMS NOISE REDUCTION Microwave measurement of atmospheric AOIPS classification package Low-frequency attenuator circuit - pressure GSFC-12374 B79-10207 03 FRC-11012 679-1001001 NPO-14450 B79-10333 03 LANDSAT signature development Improving low-illumination video OCEANOGRAPHY program MSC-14841 679-10016 02 Microprocessor-based interface for KSC-11113 879-10501 03 Annular acoustic liners for turbofan oceanography MULTIVIBRATORS engines NPO-14566 B79-10173 02 Improved ripple rejection in a PWM. LEWIS-12810 879-10133 07 OFF-ON CONTROL MSC-16923 679-10164 01 All-metal muffler for ducts Analog actuator-piston memory MYOCARDIUM ARC-11159 679-1026207 MSC-12697 679-10317 02 Trifunctional transducer for myocardial Simple noise suppressor for vented OIL EXPLORATION monitoring high-pressure gas Controlling a wide range of flow rates NPO-14329 679-10518 05 LEWIS-13231 879-10265 07 NPO-14312 B79-10249 06

1-20

SUBJECT INDEX PHASE SHIFT CIRCUITS

OIL RECOVERY OPTIMIZATION PARACHUTES Double-wall tubing for oil recovery The design of solar-heating systems Parachute deploy/Release mechanism NPO-14606 B79-10360 04 M-FS-251O8 879-10191 03 LANG LEY-1 1575 B79-10126 07 Water-cooled insulated steam-injection ORBITAL MECHANICS PARTICLE ACCELERATORS wells Goddard trajectory determination Degassing procedure for ultrahigh NPO-14605 B79-10369 04 GSFC-11946 879-1011406 vacuum OILS ORIENTATION M-FS-25103 B79-10188 03 Burning crude oil without pollution Sun tracker for clear or cloudy weather PARTICLE SIZE DISTRIBUTION NPO-14344 B79-10078 04 M-FS-23999 879-10036 03 Instrument for aerosol characterization OPERATIONAL AMPLIFIERS OSCILLATORS NPO-14320 879-10209 04 Low-noise current regulator Inductorless tuned circuit for high PATTERN RECOGNITION NPO-14070 879-10011 01 frequencies Real-time video-image analysis GSFC-12410 879-10294 01 NPO-14282 B79-10018 02 OPTICAL COMMUNICATION OUTGASSING Fiber-optic crossbar switch Vacuum-and-pressure laminating Image-analysis library KSC-11104 879-10006 01 polymer materials MSC-18178 879-10442 09 OPTICAL COUPLING LEWIS-12721 879-10583 08 PAYLOADS Optically coupling tunable diode lasers OVERVOLTAGE An evaluation of low-cost payload LANGLEY-12438 B79-10043 03 Surge protection with automatic reset carrier OPTICAL DATA PROCESSING MSC-18356 879-10305 01 M-FS-25129 879-10536 06 Variable-resolution facsimile system OXIDATION RESISTANCE PEELING MSC-18516 B79-10476 02 A thermocouple for hot, oxidizing Peel testing metalized films Optical comparator uses holographic environments NPO-14672 B79-10382 06 subtraction LANGLEY-12229 B79-10247 06 Removing bonded skin from a substrate LANG LEY- 12126 B79-10590 09 Single-, two-, and three-phase MSC-19664 B79-10587 08 OPTICAL DENSITY binary-alloy systems PERFORMANCE PREDICTION Microcomputer helps evaluate skin LANGLEY-12381 879-10514 04 Minicomputer version of SPAR burns Inhibiting oxidation of tungsten at high LANGLEY-12370 879-1011506 NPO-14402 879-10082 05 temperatures PERFORMANCE TESTS OPTICAL EQUIPMENT M-FS-19347 879-10569 08 Solar-heating system-performance tests Improved flight-simulator viewing lens OXIDE FILMS M-FS-25116 B79-10054 03 LANG LEY-12251 B79-10044 03 Reliability of imaging CCD's Liquid solar collector-performance Fabricating wedge-shaped beam M-FS-25039 879-10013 01 evaluation splitters Improved insulator layer for MIS M-FS-25090 879-10058 03 GSFC-12348 B79-10326 03 devices Concentrating solar Improved optics for an ultracentrifuge LANGLEY-12455 B79-10302 01 collector-performance tests NPO-13657 879-10375 05 OXYGEN M-FS-25086 B79-10061 03 Detecting oxygen in hydrogen or OPTICAL FILTERS hydrogen in oxygen Design review of a liquid solar collector Microscope for high-temperature MSC-18380 B79-10365 04 M-FS-25140 879-10199 03 welding Verification tests for a solar-heating MSC-19572 879-10576 08 OZONE Remote measurement of atmospheric system Viewing electron-beam welds in pollutants M-FS-25178 879-10338 03 progress Certification of the concentrating solar M-FS-19364 B79-10580 08 LANGLEY-12277 879-10210 04 OZONIDES collector OPTICAL MEASURING INSTRUMENTS Thermoluminescence analysis of M-FS-25220 879-10345 03 A chevron beam-splitter interferometer aerosols Testing of a solar collector with NPO-14502 879-10046 03 LANGLEY-12046 B79-10208 04 concentrating mirrors Eye-controlled switch M-FS-25310 879-10497 03 M-FS-25091 B79-10084 05 PERMITTIVITY Measuring the thickness of plastic films Measuring the permittivity of gases and ARC-11219 B79-10098 06 P aerosols Fiber-optic proximity sensor KSC-11090 879-1023906 NPO-14653 879-10390 06 PACKAGING PETN OPTICAL MEMORY (DATA STORAGE) An evaluation of low-cost payload Synthesis of 2, 4, 8. 10-tetroxaspiro (5.5) Optical memories in digital computing carrier undecane M-FS-23897 B79-10032 02 M-FS-25129 B79-10536 06 ARC- i 1243 B79-10356 04 OPTICAL PATHS Stitch-bond parallel-gap welding for IC PH Splicing single-mode optical fibers circuits Monitoring fetal pH by telemetry NPO-14626 B79-10282 08 MSC-16459 B79-10560 08 GSFC-12507 879-10517 05 OPTICAL PROPERTIES Improved switch-resistor packaging PHASE CONTROL MSC-19531 879-10565 08 Fast-response power saver for induction Transparent solar cell module motors NPO-14304 879-10034 03 PAINTS M-FS-23988 879-10004 01 OPTICAL REFLECTION Water-based intumescent paint Limiting amplifier for microwaves Determination of total surface MSC-16609 879-10213 04 MSC-18471 879-10314 01 reflectivity Recirculating sprayer for fiber-filled PHASE LOCKED SYSTEMS M-FS-25024 B79-10100 06 paints Lock detector for noise-coded signals OPTICAL SCANNERS KSC-11146 879-1055207 NPO-14435 879-10324 02 Optical system for multispectral PANEL FLUTTER PHASE SHIFT scanner Advanced-panel pilot code Group-delay standards MSC-18255 B79-10047 03 ARC-11278 879-1025506 NPO-13938 B79-10014 01 Focusing laser scanner PANELS Voltage-controlled attenuator with low M-FS-25 102 879-10184 03 Fixture for assembling solar panels phase shift Transmitter/ receiver for laser imaging NPO-14303 879-10147 08 NPO-14347 879-10301 01 MSC-18196 879-10325 03 Testing panels in shear and biaxial PHASE SHIFT CIRCUITS Field-flattener lens compression Digital phase shifter MSC-18373 879-10327 03 MSC-16132 879-10241 06 LANGLEY-12338 879-10159 01

1-21

PHASE SHIFT KEYING SUBJECT INDEX

PHASE SHIFT KEYING PIPELINES Monitoring harmful gases Decision-directed automatic gain Improved coal-slurry pipeline KSC-1 1086 679-10211 04 control NPO-14425 B79-10041 03 Analyzing water resources NPO-13639 B79-10008 01 Double-wall tubing for oil recovery M-FS-25104 679-10235 05 Improved isolation in double-balanced NPO-14606 679-10360 04 Indirect microbial detection mixers Water-cooled insulated steam-injection LANGLEY-12520 679-10515 05 NPO-14415 B79-10012 01 wells POLYCARBONATES Stable S-band power amplifier NPO-14605 B79-10369 04 Improved metalized polycarbonate NPO-14443 B79-10313 01 Vacuum-bonded covering withstands low capacitor All-digital QPSK modulator temperatures M-FS-25142 679-10156 01 MSC-16922 B79-10320 02 MSC-16235 B79-10509 04 POLYIMIDE RESINS PHASED ARRAYS PIPES (TUBES) Determining resin/fiber content of Limited scan dual-band high-gain Furnace brazing under partial vacuum laminates antenna M-FS-19363 B79-10137 08 LANGLEY-12442 679-10216 04 NPO-14038 B79-10167 02 POLYIM IDES Confined explosive joining of tubes High-temperature adhesives for Wide-beam flush-mounted antenna LANGLEY-12248 B79-10280 08 polyimide films MSC-16800 B79-10169 02 Strong, corrosion - resistant aluminum LANGLEY-12348 679-10214 04 PHOSPHORS tubing Composite bearing liners have service Nuclear electro-optic power MSC-18040 679-10417 07 temperature of 600 F LANGLEY-12496 879-10481 03 Tube-shape verifier LEWIS-13277 B79-10261 07 PHOSPHORYLATION MSC-19623 879-10571 08 Self-curing polyimide foam Improved synthesis of polyformals PISTONS ARC-11170 879-10507 04 ARC-11244 B79-10505 04 Retainers for threaded parts POLYMER CHEMISTRY PHOTOCONDUCTORS MSC-16198 679-10264 07 Heat- and chemical-resistant oxdiazole Lift-off procedure improves pattern Centrifugal reciprocating compressor elastomers definition NPO-14597 879-10407 07 ARC-11253 679-1035504 LANGLEY-12392 B79-10287 08 Improved piston rings for a stirling POLYMER PHYSICS P HOTOD I ODE S engine Relating viscosity to polymer Improved InSb photodiode preamplifier NPO-14497 B79-10412 07 concentration Circuit PLASMA SPRAYING NPO-14609 679-10357 04 NPO-14418 B79-10007 01 A plasma-sprayed valve coating POLYMERIC FILMS PHOTOELECTRIC CELLS M-FS-19494 879-10568 08 Measuring the thickness of plastic films Theory of back-surface-field solar cells PLASTIC COATINGS ARC-11219 B79-10098 06 NPO-14451 679-10050 03 Temporary insulation with polyurethane Room-temperature bonding of thin Photbcpacitive infrared detector and foam plastic sheets solar cell MSC-18298 B79-10139 08 NPO-14346 679-10138 08 LANGLEY-12345 B79-10162 01 Distortion-free foamed-plastic parts Lightweight, economical solar PHOTOGRAPHIC EMULSIONS ARC-11233 879-10277 08 concentrator Applying photosensitive emulsions to PLASTIC FLOW M-FS-23727 879-10180 03 enamel surfaces An improved capillary rheometer Vacuum casting of thick polymeric MSC-18107 B79-10144 08 NPO-14501 679-10366 04 films PLASTIC TAPES NPO-14534 879-10278 08 PHOTOGRAPHIC EQUIPMENT Temporary insulation with polyurethane Low-cost, high-performance separator for Film-advance monitor foam alkaline batteries LANGLEY-12474 679-1011907 MSC-18298 879-10139 08 LEWIS-12972 879-10281 08 Multiple-camera automatic controller PLASTICS Heat-shrinkable film improves adhesive LEWIS-12711 879-1017502 Room-temperature bonding of thin bonds PHOTOGRAPHIC PROCESSING plastic sheets MSC-18437 679-10429 08 Diazo techniques for remote sensor data NPO-14346 679-10138 08 Detecting insulation defects in analysis Distortion-free foamed-plastic parts metal/plastic films M-FS-25110 679-1024606 ARC-11233 B79-10277 08 M-FS-25127 879-10524 06 PHOTOINTERPRETATION PLOTTING POLYMERIZATION Computer analysis of LANDSAT data Generalized plotting and contouring Four-step reaction for polytriazine M-FS-25105 879-10204 03 package elastomers PHOTOMICROGRAPHY GSFC-12367 879-10592 09 ARC-11248 679-1035404 Cinemicrographic specimen housing PLUGGING POLYURETHANE FOAM LANG LEY- 12047 679-10231 05 Removable fastener for insulating tiles Temporary insulation with polyurethane PHOTOSENSITIVITY MSC-16483 879-10124 07 foam Applying photosensitive emulsions to PLUGS MSC-18298 679-10139 08 enamel surfaces A simple self-sealing plug MSC-19635 Post-processing flame-retardant for MSC-18107 - 879-10144 08 879-10548 07 polyurethane Lift-off procedure improves pattern POLARIZED RADIATION Low-noise spectrophone MSC-16307 679-10361 04 definition POLYVINYL ALCOHOL LANGLEY-12392 679-10287 08 NPO-14362 879-10040 03 POLLUTION Low-cost, high-performance separator for PHOTOVOLTAIC CELLS Burning crude oil without pollution alkaline batteries Assembling solar-cell arrays LEWIS-12972 679-10281 08 NPO-14416 NPO-14344 879-10078 04 679-10037 03 POLLUTION CONTROL PORCELAIN PHYSIOLOGICAL FACTORS Irradiation pretreatment for coal Low absorptance porcelain-on-aluminum Anthropometric sourcebook desulfurization coating MSC-18500 879-10234 05 NPO-14104 879-10069 04 M-FS-23879 879-10077 04 PILOT TRAINING POLLUTION MONITORING POROSITY Improved flight-simulator viewing lens LANDSAT and water pollution Balanced-force flow-regulator valve LANG LEY- 12251 679-10044 03 M-FS-25099 879-10151 09 MSC-12731 B79-10419 07 PINS Thermoluminescence analysis of PORTS (OPENINGS) Securing connector pins to a PC board aerosols Window with integral seal MSC-16059 679-10564 08 LANGLEY-12046 B79-10208 04 MSC-16490 679-10141 08

1-22

SUBJECT INDEX QUALITY CONTROL

A simple self-sealing plug Miniature motor-driven instrument PROTECTIVE COATINGS MSC-19635 B79-10548 07 valve Electroplating offers embrittlement POSITION (LOCATION) LEWIS-13195 B79-10549 07 protection Cable-fault locator PRESSURE VESSELS M-FS-19330 B79-10140 08 KSC-10899 B79-10024 02 Estimating effects of accidental Water-soluble fluorocarbon coating POTABLE WATER propellant explosions MSC-16562 B79-10212 04 Continuous sterilization of plumbing LEWIS-13247 879-10252 06 FEP plug protects H2 masers systems Multipurpose seals for pressure vessels GSFC-12552 B79-10494 03 KSC-11085 879-1007904 LEWIS-12944 879-10263 07 PROTECTORS POWDER METALLURGY PRINTED CIRCUITS Antitheft container for instruments Cleaning contaminated superalloy Wraparound-contact solar cells GSFC-12399 B79-10103 06 powders LEWIS-13089 B79-10001 01 PULSE CODE MODULATION LEWIS-13041 879-10279 08 Troubleshooting plated-wire memories Stable S-band power amplifier POWER M-FS-23903 879-10099 06 NPO-14443 879-10313 01 An annotated energy bibliography Photomask and pattern programs PULSE COMMUNICATION LANGLEY-12488 879-10065 03 NPO-14419 B79-10434 08 Measuring signal-to-noise ratio POWER AMPLIFIERS Securing connector pins to a PC board automatically Stable S-band power amplifier MSC-16059 879-10564 08 NPO-14582 879-10297 01 NPO-14443 B79-10313 01 PROBABILITY DISTRIBUTION PULSE DURATION MODULATION POWER CONDITIONING FUNCTIONS Improved ripple rejection in a PWM Fast-response power saver for induction Reliability of nondestructive evaluation MSC-16923 879-10164 01 motors data PULSE MODULATION M-FS-23988. 879-10004 01 LEWIS-12908 879-10257 06 Rapid testing of pulse transformers Solar power conditioner PROCESSING MSC-18202 879-10529 06 NPO-14356 879-10035 03 Remote manipulator for IC wafers PUMPS POWER EFFICIENCY M-FS-23846 879-10122 07 Solar-powered pump Controller for a string engine CMOS/SOS processing M-FS-23996 879-10033 03 NPO-14388 879-10130 07 M-FS-25176 B79-10431 08 Development of nonmetallic solar Switching reduces computer power PROCUREMENT collector and solar-powered pump requirement Cost analysis of hot-air solar-heating M-FS-25143 B79-10200 03 LANG LEY-1 1958 879-10480 02 systems Certification tests on the solar-powered POWER LIMITERS M-FS-25092 879-10063 03 pump Solid-state power controller PRODUCTION ENGINEERING M-FS-25144 879-10201 03 MSC-16661 B79-10300 01 Remote manipulator for IC wafers Recirculating sprayer for fiber-filled POWER LINES M-FS-23846 B79-10122 07 paints Cable-fault locator KSC-11146 KSC-10899 B79-10024 02 PRODUCTION MANAGEMENT B79-10552 07 Simpler cabling and power link for remote Estimating the cost of production PURIFICATION readouts stoppage Continuous sterilization of plumbing GSFC-12411 879-1002802 M-FS-23884 B79-10149 09 systems Strain relief for power-cable connectors Model for refining operations KSC-1 1085 879-10079 04 MSC-19497 879-10310 01 LEWIS-13047 879-10293 09 New approach to purifying silicon POWER SUPPLIES Solar array manufacturing industry NPO-14474 879-10367 04 Reliable inverter systems simulation Low cost disposal of MMH NPO-14163 879-10026 02 NPO-14747 B79-10435 08 KSC-11135 879-1050304 PREAMPLIFIERS PRODUCTION PLANNING PUSH-PULL AMPLIFIERS Improved InSb photodiode preamplifier Low-cost production of solar-cell Minimizing spikes in switching-regulator circuit panels circuit NPO-14418 B79-10007 01 NPO-14453 879-10432 08 NPO- 4505 B79-10303 01 PRESSING (FORMING) PROGRAMS PYROELECTRICITY Evacuated-displacement compression Programing techniques for CDC Technique for mounting pyroelectric molding equipment detector arrays LANGLEY-12523 B79-10584 08 LANGLEY-12486 B79-10289 09 LANGLEY-12363 879-10425 08 PRESSURE CHAMBERS Modern programming language Sensor/amplifier for weak light sources Safety shield for NPO-14105 B79-10443 09 M-FS-25025 B79-10449 01 vacuum/pressure-chamber windows PYROLYSIS GSFC-12513 B79-10391 06 PROJECTILES High-acceleration cable deployment Improved vapor-growth technique for PRESSURE MEASUREMENTS ARC-11256 879-10547 07 Ill-V compound lasers All-electric gas detector LANGLEY-12255 879-10487 03 NPO-14341 879-10039 03 PROPAGATION MODES Faired instrumentation for aerodynamic Dual hybrid mode feed horn PYROTECHNICS NPO-13594 879-10168 02 Three-dimensional vibration fixture tests MSC-16305 879-10528 06 LANG LEY- 11201 879-1038506 PROPULSION Fan noise-mode structure in a duct Electric-car simulation LEWIS-13129 879-10393 06 NPO-14570 879-10394 06 Tire-pressure measuring concept PROPULSIVE EFFICIENCY MSC-18490 879-10522 06 Spacecraft trajectory PRESSURE REGULATORS LEWIS-13248 879-10546 06 QUALITY CONTROL Dynamic-pressure regulator PROSTHETIC DEVICES Checking weld penetration MSC-18415 879-10418 07 Artificial limb connector M-FS-19395 879-10093 06 PRESSURE SENSORS KSC-11069 Ultrasonic grating checks electron-beam Transducer with a sense of touch B79-10083 05 welds NPO-14656 B79-10161 01 Eye-controlled switch M-FS-19422 879-10094 06 Detecting leaks in vacuum bags M-FS-25091 879-10084 05 Measuring the thickness of plastic films MSC-18423 879-10380 06 PROTECTIVE CLOTHING ARC-11219 879-1009806 Onsite testing of pressure sampling Improved temperature-control garment Quality control during IC processing LANGLEY-12428 879-10526 06 ARC-11239 B79-10227 05 M-FS-25112 879-10288 08

1-23

QUARTZ SUBJECT INDEX

Rotatable microscope stage RAMP FUNCTIONS Determination of total surface MSC-18549 679-10332 03 Fader and ramp shaper replace linear reflectivity QUARTZ filters M-FS-25024 679-10100 06 Quartz ball value MSC-16115 B79-10031 02 REFRACTORY MATERIALS NPO-14473 879-10128 07 RANDOM SAMPLING Fibrous refractory composite insulation Monte Carlo variance reduction ARC-11169 879-1022404 M-FS-23645 879-10499 03 REFRIGERATORS R RANGE FINDERS Solar-powered jet refrigerator Group-delay standards NPO-14550 879-10251 06 RADAR NPO-13938 879-10014 01 REGULATORS Eliminating clutter in synthetic-aperature RANGE FIN DING Overload protection for switching radar Azimuth correlator for synthetic regulators NPO-14035 B79-10019 02 aperature radar MSC-18513 B79-10450 01 NPO-14019 B79-10020 02 RELEASING RADAR EQUIPMENT Parachute deploy/Release mechanism Coupled-cavity traveling-wave tubes RANKINE CYCLE LANGLEY-11575 879-1012607 LEWIS-12861 B79-10396 06 Rankine-cycle solar-cooling systems RELIABILITY RADAR REFLECTORS M-FS-25094 B79-10051 03 Reliable inverter systems Monitoring disaster areas via satellites Rankine-cycle heating and cooling NPO-14163 679-10026 02 LANGLEY-12344 879-10027 02 systems Redundant system reliability analysis RADAR RESOLUTION M-FS-23998 879-10052 03 LANG LEY- 12069 679-10153 09 Azimuth correlator for synthetic aperature The design of solar-heating and cooling RELIABILITY ANALYSIS radar systems - Reliability of imaging CCD's NPO-14019 879-10020 02 M-FS-25106 679-10192 03 M-FS-25039 B79-10013 01 RADAR TRACKING Residential solar-heating/cooling REMOTE CONSOLES Azimuth correlator design for IC chip system Revised adage graphics computer NPO-14614 679-10451 01 M-FS-25166 679-10339 03 system RADIAL DISTRIBUTION RAY TRACING LANGLEY-12492 879-10436 09 Vapor-deposited graded-thickness films General optics evaluation program REMOTE CONTROL GSFC-11806 679-10143 08 GSFC-12439 879-10351 03 Solid-state power controller RADIATION DETECTORS REACTORS MSC-16661 B79-10300 01 Sealed high-pressure X-ray detector Chemical-vapor-deposition reactor Remotely controlled latch GSFC-12519 879-10492 03 NPO-14137 879-10075 04 MSC-18365 679-10403 07 RADIATION DISTRIBUTION READOUT REMOTE HANDLING Analysis of aperture antenna radiation Simpler cabling and power link for Remote manipulator for IC wafers pattern remote readouts M-FS-23846 B79-10122 07 MSC-16246 B79-10066 03 GSFC-12411 679-1002802 Fiber-optic proximity sensor RADIATIVE RECOMBINATION REAL TIME OPERATION NPO-14653 679-10390 06 Improved degradation resistance of Real-time digital integrator Slip sensor (AlGa)As lasers NPO-14530 679-10447 01 NPO-14655 679-10405 07 LANG LEY- 12242 679-10486 03 RECEIVERS Coupler for remote manipulators RADII VHF frequency multiplier GSFC-12429 879-10406 07 Determining radii of cylindrical NPO-13700 879-10005 01 REMOTE SENSORS segments Decision-directed automatic gain Cloud-to-ground lightning detector LEWIS-12826 B79-10537 06 control KSC-11099 679-1002502 RADIO COMMUNICATION NPO-13639 B79-10008 01 Simpler cabling and power link for remote Self-calibrating threshold detector for Digital automatic gain control readouts noisy signals NPO-14236 879-10304 01 GSFC-12411 879-1002802 MSC-16370 679-10009 01 Microprocessor-controlled receiver Remote-sensing applications to geology RADIO FREQUENCIES ARC-11275 B79-10318 02 M-FS-25151 679-10203 03 VHF frequency multiplier Biased-receiver digital interface Remote measurement of atmospheric NPO-13700 879-10005 01 MSC-14968 B79-10448 01 pollutants Low-cost, lightweight RF transfer RECIPROCATION LANGLEY-12277 B79-10210 04 switch Centrifugal reciprocating compressor Diazo techniques for remote sensor data MSC-16907 679-10453 01 NPO-14597 679-10407 07 analysis A reliable solid-state RF transfer switch RECIRCULATIVE FLUID FLOW M-FS-25110 879-10246 06 MSC-16890 B79-10454 01 Concentric-tube solar collector Guide to remote-sensor data systems RADIO INTERFEROMETERS M-FS-25133 B79-10196 03 M-FS-25169 879-10349 03 Interferometer antenna-array system Performance verification of an air solar REMOVAL GSFC-12365 679-10323 02 collector Temporary insulation with polyurethane RADIO SIGNALS M-FS-25131 879-10197 03 foam Fiber-optic crossbar switch REDUNDANT COMPONENTS MSC-18298 879-10139 08 KSC-11104 679-1000601 Redundant system reliability analysis LANGLEY-12069 879-10153 09 REPEATERS RADIOGRAPHY Redundant structures at elevated Bidirectional Manchester repeater Improving low-illumination video temperatures MSC-18414 879-10299 01 MSC-14841 879-10016 02 MSC-18476 879-10540 06 RESISTANCE HEATING High-resolution echocardiography REFLECTANCE Zone-controlled resistance heater NPO-14349 B79-10081 05 Determination of total surface MSC-16251 B79-10387 06 Improvement of CAT scanned images reflectivity Sealed-in-quartz resistance heater LEWIS-13276 879-10374 05 M-FS-25024 879-10100 06 NPO-14529 879-10402 07 RAIN REFLECTION RESISTORS LANDSAT and water pollution A chevron beam-splitter interferometer Improved switch-resistor packaging M-FS-25099 679-10151 09 NPO-14502 879-10046 03 MSC-19531 879-10565 08 RAIN GAGES REFLECTOMETERS RESOLUTION Monitoring disaster areas via satellites Troubleshooting plated-wire memories Variable-resolution counter LANGLEY-12344 679-10027 02 M-FS-23903 879-10099 06 LANGLEY-12530 879-10444 01

1-24

SUBJECT INDEX SEMICONDUCTOR DEVICES

Variable-resolution facsimile system Water-based intumescent paint Confined explosive Joining of tubes MSC-18516 B79-10476 02 MSC-16609 679-10213 04 LANGLEY-12248 679-10280 08 RESONANCE TESTING Estimating effects of accidental Detecting leaks in vacuum bags Resonant-fatigue cracking apparatus propellant explosions MSC-18423 879-10380 06 LEWIS-13037 B79-10520 06 LEWIS-13247 879-10252 06 SEALS (STOPPERS) RESONATORS Isolator/ retainer for connectors Removable fastener for insulating tiles Temperature controller for crystal MSC-18527 879-10312 01 MSC-16483 879-10124 07 resonators Test and evaluation of a solar-heating Rubber valve seal with tough skin NPO-14507 B79-10295 01 system LANGLEY-11776 879-1012507 RETAINING M-FS-25201 879-10336 03 Flame-resistant textiles Multipurpose seals for pressure vessels Retainers for threaded parts LEWIS-12944 879-10263 07 MSC-16198 B79-10264 07 MSC-18359 879-10353 04 SAFETY DEVICES Rotating-shaft seals RETIREMENT Improved temperature-control garment LEWIS-13227 879-10272 07 Annuity-estimating program ARC-11239 879-1022705 Tool cuts self-locking Joints in plastics ARC-11139 B79-10291 09 Extra-safe tractor-trailer coupling LANGLEY-12427 879-10275 08 RETROREFLECTION FRC-10081 879-10258 07 Phase changes in liquid face seals A chevron beam-splitter interferometer Safety shield for LEWIS-12994 879-10395 06 NPO-14502 879-10046 03 vacuum/pressure-chamber windows Thermal seal for high and low RHEOMETERS GSFC-12513 879-10391 06 temperatures An improved capillary rheometer Improved table-saw guard MSC-16151 879-10413 07 NPO-14501 879-10366 04 MSC-19550 679-10551 07 Flexible heat-and-pressure seal RIGID STRUCTURES Microscope for high-temperature MSC-18134 679-10414 07 Hinge-connected rigid bodies welding Insulating seal for cryogenic-liquid NPO-11964 679-1011606 MSC-19572 679-10576 08 transfer Mass properties of a rigid structure SAFETY FACTORS KSC-11105 679-1041507 LANGLEY-12454 B79-10441 09 Design and installation of a Cryogenic seal for instrument wires RIVERS solar-powered hot-water system MSC-18450 679-10416 07 LANDSAT and water pollution M-FS-25080 679-10190 03 Improved wrap-curtain seal M-FS-25099 879-10151 09 SATELLITE INSTRUMENTS MSC-16647 B79-10420 07 RIVETING Guide to remote-sensor data systems A simple self-sealing plug Dimpling aircraft skins for M-FS-25169 879-10349 03 MSC-19635 B79-10548 07 countersunk-head rivets SATELLITE OBSERVATION LANGLEY-12240 679-10427 08 Flexible sliding seal Monitoring disaster areas via satellites MSC-18467 RIVETS LANGLEY-12344 B79-10550 07 679-10027 02 Repairing sealing surfaces on aluminum Fastening hardware to honeycomb SATELLITE ORIENTATION panels castings SKYMAP Star catalog M-FS-19455 679-10573 08 MSC-16752 679-10142 08 GSFC-12445 879-10205 03 Bonding soft rubber or plasticized ROBOTS SAWS elastomers to metal Guidance system for a roving vehicle Cutting silicon for solar cells NPO-14376 B79-10174 02 M-FS-25181 879-10582 08 NPO-14406 879-10146 08 SECURITY RODENTS Improved table-saw guard Antitheft container for instruments Coupler for surgery on small animals MSC-19550 879-10551 07 GSFC-12399 879-10103 06 ARC-11114 B79-1023005 SCANNERS SELF LUBRICATION ROTARY STABILITY Optical system for multispectral Composite bearing liners have service Controlling subsynchronous whirl in scanner temperature of 600 F turbopumps MSC-18255 679-10047 03 LEWIS-13277 879-10261 07 M-FS-19423 879-10533 06 Variable-resolution facsimile system SELF REPAIRING DEVICES ROTATION MSC-18516 879-10476 02 Fault-tolerant computer system Compact rotary sequencer SCANNING NPO-14562 B79-10171 02 MSC-19514 879-10401 07 Limited scan dual-band high-gain SEMICONDUCTING FILMS Angular-displacement mechanism antenna Chemical-vapor-deposition reactor M-FS-23777 679-10408 07 NPO-14038 879-10167 02 NPO-14137 879-10075 04 ROTOR AERODYNAMICS SCORING SEMICONDUCTOR DEVICES Faired instrumentation for aerodynamic Precision scriber Assembling solar-cell arrays tests LEWIS-12976 879-10566 08 NPO-14416 679-10037 03 LANGLEY-11201 879-1038506 SCREWS CMOS Circuit-fabrication handbook Natural modes of helicopter rotor Screw/stud removal tool M-FS-25034 B79-10148 08 blades M-FS-22957 B79-10553 07 Semiconductor step-stress testing LANGLEY-12501 679-10397 06 SCRUBBERS M-FS-25329 B79-10455 01 ROVING VEHICLES Burning crude oil without pollution JAND(1N645-1 diode Guidance system for a roving vehicle NPO-14344 679-10078 04 M-FS-25243 879-10456 01 NPO-14376 879-10174 02 JAND(1N649-1 diode SEA WATER M-FS-25344 879-10457 01 RUBBER Synthetic Seawater as stress-Corrosion JANTX/N746A diode Rubber valve seal with tough skin test medium LANGLEY-11776 879-1012507 M-FS-25245 B79-10458 01 M-FS-22706 879-10523 06 JANTX/N759A voltage regulating RULES SEALERS diode Design rules for CMOS/SOS circuits Four-step reaction for polytriazine M-FS-25132 879-10430 08 M-FS-25246 679-10459 01 elastomers JANTX/N937B Zener diode ARC-11248 879-10354 04 M-FS-15247 B79-10460 01 Heat- and chemical-resistant oxdiazole JANTX/N972B zener diode elastomers M-FS-25248 679-10461 01 ARC-11253 B79-10355 04 JANTX/N98B Zener diode SAFETY SEALING M-FS-25249 879-10462 01 Ensuring flat cuts in Iongwall mining Window with integral seal JANTX/N1202A switching diode M-FS-23726 879-1011807 MSC-16490 679-10141 08 M-FS-25250 B79-10463 01

1-25

SEMICONDUCTOR JUNCTIONS SUBJECT INDEX

JANTX1 N3893 diode Tube-shape verifier SILICON TETRACHLORIDE M-FS-25266 B79-10464 01 MSC-19623 B79-10571 08 Silicon tetrachloride spray feeder JANTX1 N4570A zener diode SHEAR STRENGTH NPO-14382 879-10073 04 M-FS-25268 B79-10465 01 Shear strength of aluminum fillet welds SIMULATION JANTX1N5415 diode M-FS-23946 879-10511 04 Analysis of building heating and cooling M-FS-25270 B79-10466 01 SHIFT REGISTERS NPO-14683 B79-10067 03 JANTX1N5417 diode Development of CMOS integrated Dynamic simulation and stability M-FS-25271 B79-10467 01 Circuits analysis JANTX1N5420 diode M-FS-25121 B79-10165 01 GSFC-12422 879-1011306 M-FS-25272 B79-10468 01 SHIP HULLS SIMULATORS JANTX1 N5550 switching diode Laser alignment of large assemblies Performance after weathering of a liquid M-FS-25273 B79-10469 01 MSC-19346 879-10097 06 solar collector JANTX1 N5552 Switching diode SHORT CIRCUITS M-FS-25137 879-10194 03 M-FS-25274 B79-10470 01 Cable-fault locator Binary synchronous simulator JANTX1N5554 Switching diode 879-10024 02 KSC-11096 B79-10479 02 M-FS-25275 B79-10471 01 KSC-10899 SKIN (ANATOMY) JANTX1N5614 switching siode SIGNAL DETECTION Microcomputer helps evaluate skin M-FS-25276 B79-10472 01 Self-calibrating threshold detector for burns JANTX1N5615 switching diode noisy signals NPO-14402 B79-10082 05 M-FS-25277 B79-10473 01 MSC-16370 B79-10009 01 SKIN (STRUCTURAL MEMBER) JANTX1N5618 switching diode SIGNAL FADING Fastening hardware to honeycomb M-FS-25278 B79-10474 01 Fader and ramp shaper replace linear panels JANTX1N5619 diode filters MSC-16752 B79-10142 08 M-FS-25279 B79-10475 01 MSC-16115 879-10031 02 Removing bonded skin from a substrate SEMICONDUCTOR JUNCTIONS SIGNAL PROCESSING MSC-19664 879-10587 08 Theory of back-surface-field solar cells Azimuth correlator for synthetic SLIDING NPO-14451 679-10050 03 aperature radar Flexible sliding seal SEMICONDUCTOR LASERS NPO-14019 679-10020 02 MSC-18467 B79-10550 07 Optically coupling tunable diode lasers Versatile digital signal processor for dc SLURRIES LANGLEY-12438 B79-10043 03 to dc converters Improved coal-slurry pipeline CdlnP semiconductor alloy LEWIS-13020 879-10158 01 NPO-14425 679-10041 03 LANGLEY-12405 B79-10491 03 Variable-clock-rate A/D converter Characterizing glass frits for slurries - SEMICONDUCTORS (MATERIALS) MSC-18541 679-10309 01 MSC-18322 B79-10101 06 Silicon source for vacuum deposition SIGNAL RECEPTION Longer shelf life for ceramic slurries LANG LEY- 12356 679-10076 04 Decision-directed automatic gain MSC-18543 879-10510 04 Scratch encourages selective doping control SODIUM CARBONATES LANG LEY-1 1590 679-1055808 NPO-13639 B79-10008 01 Soda ash removes sulfur from fuels SENSORY PERCEPTION Signal separator for dual-frequency GSFC-12403 679-10071 04 Transducer with a sense of touch antenna SOLAR CELLS NPO-14656 B79-10161 01 NPO-14022 B79-10021 02 Wraparound-contact solar cells SEPARATORS Digital automatic gain control LEWIS-13089 679-10001 01 Modified polymers for gas NPO-14236 879-10304 01 Transparent solar cell module chromatography NPO-14304 879-10034 03 ARC-11154 879-1021504 Lock detector for noise-coded signals NPO-14435 879-10324 02 Assembling solar-cell arrays Low-cost, high-performance separator for NPO-14416 879-10037 03 alkaline batteries SIGNAL STABILIZATION LEWIS-12972 B79-10281 08 Improved ripple rejection in a PWM Theory of back-surface-field solar cells Improved optics for an ultracentrifuge MSC-16923 679-10164 01 NPO-14451 879-10050 03 NPO-13657 B79-10375 05 SIGNAL TO NOISE RATIOS Silicon tetrachloride spray feeder Separating liquid and gaseous solutions Signal separator for dual-frequency NPO-14382 B79-10073 04 M-FS-23368 B79-10506 04 antenna A reactor for more efficient solar cells SEQUENTIAL CONTROL NPO-14022 879-10021 02 NPO-14381 B79-10074 04 Mechanical-load indicator Measuring signal-to-noise ratio Plastic film insulates solar cells from MSC-19511 879-10534 06 automatically metal substrate SERUMS NPO-14582 879-10297 01 M-FS-25007 B79-10145 08 Extracting trace substances from SIGNAL TRANSMISSION Fixture for assembling solar panels biological fluids TV audio and video on the same NPO-14303 679-10147 08 MSC-18522 879-10516 05 channel Improved silicon/carbon interface for SERVOMECHANISMS MSC-16241 B79-10017 02 solar cells Window comparator for voltages SI LANES NPO-14421 B79-10155 01 FRC-10090 879-10445 01 Chemical-vapor-deposition reactor Photocapacitive infrared detector and SERVOMOTORS NPO-14137 B79-10075 04 solar cell A closed-loop control-loading system SILICON LANG LEY- 12345 879-10162 01 LANG LEY- 12167 879-10029 02 A continuous silicon-coating facility Improved inverted Stepanov apparatus NPO-14373 679-10072 04 NPO-14297 879-10223 04 SHAFTS (MACHINE ELEMENTS) A reactor for more efficient solar cells Lash-free spherical bearing NPO-14381 879-10074 04 Thermographic inspection of welded M-FS-23447 879-10259 07 Silicon source for vacuum deposition contacts Rotating-shaft seals LANGLEY-12356 679-10076 04 M-FS-25093 B79-10244 06 LEWIS-13227 B79-10272 07 Cutting silicon for solar cells Nondestructive weld test by holography SHAPES NPO-14406 879-10146 08 M-FS-23826 679-10245 06 Variable-shape solar-energy Improved silicon/carbon interface for Economical solder connections to thin concentrator solar cells films NPO-13736 879-10038 03 NPO-14421 879-10155 01 GSFC-12404 679-10286 08 Transducer with a sense of touch Improved inverted Stepanov apparatus New approach to purifying silicon NPO-14656 879-10161 01 NPO-14297 B79-10223 04 NPO-14474 B79-10367 04 Gage for 3-d contours New approach to purifying silicon Solar-cell defect analyzer MSC-19589 B79-10383 06 NPO-14474 B79-10367 04 NPO-14476 879-10379 06

1-26

SUBJECT INDEX SOLAR HEATING

Low-cost production of solar-cell panels Air solar collector-installation package Cost-reduction analysis for a NPO-14453 B79-10432 08 M-FS-25031 879-10056 03 solar-heating system Solar array manufacturing industry Static load testing of a liquid solar M-FS-25152 879-10202 03 simulation collector High-temperature adhesives for NPO-14747 879-10435 08 M-FS-25115 879-10057 03 polyimide films Nuclear electro-optic power Weathering of a liquid-filled solar LANGLEY-12348 879-10214 04 LANG LEY-12496 B79-10481 03 collector Improved inverted Stepánov apparatus Measuring transmissivity of solar-cell M-FS-25113 B79-10059 03 NPO-14297 879-10223 04 covers Design of a concentrating solar collector Solar-powered jet refrigerator NPO-14638 879-10485 03 NPO-14550 B79-10251 06 SOLAR COLLECTORS M-FS-25098 B79-10060 03 Solar energy for industrial process heat Economical solder connections to thin Solar-powered pump films M-FS-23996 B79-10033 03 NPO-14498 B79-10064 03 A continuous silicon-coating facility GSFC-12404 879-10286 08 Sun tracker for clear or cloudy weather All-glass solar collector M-FS-23999 NPO-14373 879-10072 04 B79-10036 03 Silicon tetrachloride spray feeder M-FS-23870 879-10334 03 Rankine-cycle solar-cooling systems NPO-14382 B79-10073 04 Solar-heating system design package M-FS-25094 B79-10051 03 A reactor for more efficient solar cells M-FS-25226 B79-10335 03 Static load testing of a liquid solar NPO-14381 879-10074 04 Test and evaluation of a solar-heating collector Plastic film insulates solar cells from system M-FS-25115 B79-10057 03 metal substrate M-FS-25201 879-10336 03 Liquid solar collector-performance M-FS-25007 879-10145 08 Installation package for a solar-heating evaluation Cutting silicon for solar cells system M-FS-25090 B79-10058 03 NPO-14406 879-10146 08 M-FS-25198 679-10337 03 Weathering of a liquid-filled solar Photocapacitive infrared detector and Verification tests for a solar-heating collector solar cell system M-FS-25113 879-1005903 LANG LEY- 12345 B79-10162 01 M-FS-25178 879-10338 03 Design of a concentrating solar Navigation-aid power systems Residential solar-heating/cooling collector NPO-14466 B79-10176 02 system M-FS-25098 879-10060 03 Single-axle, double-axis solar tracker M-FS-25 166 M-FS-23267 B79-10339 03 Concentrating solar 879-10177 03 Installation package for a solar-heating collector-performance tests High-performance solar collector M-FS-25135 system M-FS-25086 879-10061 03 879-10178 03 M-FS-25157 679-10340 03 Controller for solar heating-design Simple, economical solar collector Liquid solar collector package M-FS-25109 879-10179 03 M-FS-25218 Lightweight, 879-10341 03 M-FS-25009 879-10062 03 economical solar Final report on the concentric-tube solar Single-axle, double-axis solar tracker concentrator M-FS-23727 collector M-FS-23267 879-10177 03 879-10180 03 M-FS-25188 679-10342 03 Pointing errors in solar dish collectors High-performance solar collector Collector performance at various M-FS-25135 879-10178 03 NPO-14630 879-10181 03 air-channel depths Simple, economical solar collector Performance evaluation of a liquid solar M-FS-25159 B79-10343 03 M-FS-25109 879-10179 03 collector Fin-tube solar collectors Lightweight, economical solar M-FS-25026 879-10189 03 M-FS-25238 Design B79-10344 03 concentrator and installation of a Certification of the concentrating solar M-FS-23727 879-10180 03 solar-powered hot-water system M-FS-25080 collector Performance after weathering of a liquid 879-10190 03 M-FS-25220 879-10345 03 solar collector The design of solar-heating systems M-FS-25108 Collector performance after weathering M-FS-25137 879-10194 03 879-10191 03 M-FS-25 187 879-10346 03 Design review of a liquid solar collector The design of solar-heating and cooling M-FS-25 140 879-10199 03 systems Concentrating solar collector - final Development of nonmetallic M-FS-25106 design solar 879-10192 03 M-FS-25 186 B79-10347 03 collector and solar-powered pump Design package for a solar-heating M-FS-25 143 879-10200 03 system Weathering of a flat-plate solar SOLAR ENERGY M-FS-25136 collector 879-10193 03 M-FS-25160 879-10348 03 Wraparound-contact solar cells Performance after weathering of a liquid LEWIS-13089 B79-10001 01 Solar insolation model solar collector NPO-14787 Solar-powered pump M-FS-25 137 879-10194 03 879-10350 03 M-FS-23996 879-10033 03 Modular solar-heating system - design Programable solar-energy controller Transparent solar cell module package M-FS-25189 B79-10495 03 NPO-14304 879-10034 03 M-FS-25130 879-10195 03 Weathering of a liquid solar collector Solar power conditioner M-FS-25300 879-10496 03 NPO-14356 Concentric-tube solar collector B79-10035 03 M-FS-25133 879-10196 03 Testing of a solar collector with Variable-shape solar-energy concentrating mirrors concentrator Performance verification of an air solar collector M-FS-25310 B79-10497 03 NPO-13736 879-10038 03 Installation package - home solar Theory of back-surface-field solar cells M-FS-25131 879-10197 03 Preliminary design of an air solar heater NPO-14451 B79-10050 03 M-FS-25338 879-10498 03 Rankine-cycle solar-cooling systems collector M-FS-25138 SOLAR ENERGY ABSORBERS M-FS-25094 B79-10051 03 879-10198 03 Low absorptance porcelain-on-aluminum Rankine-cycle heating and cooling Design review of a liquid solar collector coating systems M-FS-25140 879-10199 03 M-FS-23879 879-10077 04 M-FS-23998 879-10052 03 Development of nonmetallic solar SOLAR HEATING Solar-heating system-performance tests collector and solar-powered pump Solar-powered pump M-FS-25116 879-1005403 M-FS-25143 B79-10200 03 M-FS-23996 879-10033 03 Performance test for a solar water Certification tests on the solar-powered Rankine-cycle heating and cooling heater pump systems M-FS-25114 879-1005503 M-FS-25144 879-10201 03 M-FS-23998 879-10052 03

1-27

SOLAR POSITION SUBJECT INDEX

Design information for solar-heating SPACECRAFT STRUCTURES Multilayer metalization of MOS ICs systems Giant-electrode welder M-FS-23541 679-10562 08 M-FS-25097 B79-10053 03 LANG LEY- 11429 879-1013608 STAINLESS STEELS Solar-heating system-performance tests SPACECRAFT TRAJECTORIES Brazing titanium to stainless steel M-FS-25116 B79-10054 03 Goddard trajectory determination LANG LEY- 11441 B79-10577 08 Performance test for a solar water GSFC-11946 879-1011406 STANDARDS heater Spacecraft trajectory Group-delay standards M-FS-251 14 B79-10055 03 LEWIS-13248 879-10546 06 NPO-13938 879-10014 01 Static load testing of a liquid solar SPARK GAPS Proposed Josephson voltage standard collector An improved welding-arc starter M-FS-23845 879-10482 03 MSC-17415 879-10575 08 STARK EFFECT M-FS-25115 B79-10057 03 All-electric gas detector Liquid solar collector-performance SPECIFIC HEAT NPO-14341 B79-10039 03 evaluation Containerless high-temperature Low-noise spectrophone M-FS-25090 679-10058 03 calorimeter NPO-14362 B79-10040 03 Weathering of a liquid-filled solar M-FS-23923 679-10086 06 Differential spectrophone collector SPECTRA NPO-14599 879-10182 03 M-FS-25113 B79-10059 03 Optical system for multispectral STARS Design of a concentrating solar scanner SKYMAP star catalog collector MSC-18255 B79-10047 03 GSFC-12445 679-10205 03 M-FS-25098 B79-10060 03 SPECTRAL SIGNATURES STATIC PRESSURE Concentrating solar LANDSAT signature development Static load testing of a liquid solar collector-performance tests program - collector M-FS-25086 B79-10061 03 KSC-11113 879-10501 03 M-FS-25115 679-10057 03 Controller for solar heating-design SPECTROMETERS STATISTICAL ANALYSIS package Improved InSb photodiode preamplifier Computing time- and frequency-domain M-FS-25009 679-10062 03 circuit analysis Cost analysis of hot-air solar-heating NPO-14418 B79-10007 01 FRC-10121 679-10439 09 systems Optically coupling tunable diode lasers Image-analysis library M-FS-25092 B79-10063 03 LANGLEY-12438 B79-10043 03 MSC-18178 679-10442 09 SOLAR POSITION Optical system for multispectral Monte Carlo variance reduction Sun tracker for clear or cloudy weather scanner M-FS-23645 679-10499 03 M-FS-23999 B79-10036 03 MSC-18255 B79-10047 03 STEAM SOLAR SAILS Remote measurement of atmospheric Solar-powered pump Room-temperature bonding of thin pollutants M-FS-23996 B79-10033 03 plastic sheets LANGLEY-12277 879-10210 04 STERILIZATION NPO-14346 B79-10138 08 High-resolution spectrometer Continuous sterilization of plumbing NPO-14372 679-10328 03 systems SOLDERED JOINTS KSC-11085 B79-10079 04 Stress-relieved solder joints SPECTROSCOPY Indirect microbial detection MSC-14981 B79-10556 08 Flat-flame burner LANGLEY-12520 879-10515 05 SOLDERING LEWIS-13161 679-10218 04 STORAGE TANKS Economical solder connections to thin SPECTRUM ANALYSIS Cryogenic-container suspension strap films Unresolved Mossbauer hyperfine ARC-11157 679-1026007 GSFC-12404 B79-10286 08 spectra STORMS (METEOROLOGY) SOLID LUBRICANTS LANGLEY-12439 B79-10513 04 Meteorological data-processing package RF-sputtered and ion-plated solid SPEED CONTROL GSFC-12372 679-10206 03 lubricants Controller for a string engine STRAIN GAGES LEWIS-13147 B79-10433 08 NPO-14388 879-10130 07 Attaching strain transducers to fragile SONAR SPLICING materials Microprocessor-based interface for Splicing single-mode optical fibers MSC-16580 879-10105 06 oceanography NPO-14626 879-10282 08 Displacement gage modified for multiple NPO-14566 B79-10173 02 Crimped thermocouple connections measurements SOUND GENERATORS MSC-18489 879-10561 08 LEWIS-13036 679-10238 06 Improved acoustic levitation apparatus SPOT WELDS Noncontact strain measurement M-FS-25050 679-10567 08 Giant-electrode welder LEWIS-13091 679-10243 06 SOUND PRESSURE LANG LEY-1 1429 679-1013608 STRAPS Overall loudness of steady sounds SPRAY NOZZLES Cryogenic-container suspension strap LEWIS-12914 879-10538 06 Silicon tetrachloride spray feeder ARC-11157 B79-i026007 SOUND TRANSMISSION NPO-14382 679-10073 04 STRESS CORROSION Measuring acoustic properties of SPRAYED COATINGS Stress corrosion in high-strength materials and jet nozzles Inspecting cracks in foam insulation aluminum alloys LEWIS-13265 B79-10521 06 M-FS-23799 679-10107 06 M-FS-23986 679-10372 04 SPACE SHUTTLES SPRAYERS Synthetic seawater as stress-corrosion Test-configuration identifiers Silicon tetrachloride spray feeder test medium 679-1010206 NPO-14382 879-10073 04 KSC-11087 Rotatable fixture for spray coating M-FS-22706 679-10523 06 Repairing cracked glass ARC-1 1110 B79-10274 08 STRESS RELIEVING KSC-11097 879-1013408 Recirculating sprayer for fiber-filled Stress-relieved solder joints Fixture for limited-access welding paints MSC-14981 879-10556 08 MSC-16698 879-10135 08 KSC-11146 679-1055207 STRUCTURAL ANALYSIS SPACEBORNE PHOTOGRAPHY SPRAYING Minicomputer version of SPAR Automatically classifying Earth features Flat-flame burner LANGLEY-12370 879-1011506 from orbit LEWIS-13161 679-10218 04 Nonlinear structural analysis LANG LEY- 12589 679-10493 03 SPUTTERING M-FS-25122 879-10539 06 SPACECRAFT CONFIGURATIONS RF-sputtered and ion-plated solid Redundant structures at elevated Test-configuration identifiers lubricants temperatures KSC-11087 879-1010206 LEWIS-13147 679-10433 08 MSC-18476 679-10540 06

1-28

SUBJECT INDEX TELEMETRY

STRUCTURAL DESIGN Analysis of aperture antenna radiation Low-cost, lightweight RE transfer Minicomputer version of SPAR pattern switch LANGLEY-12370 679-10115 06 MSC-16246 679-10066 03 MSC-16907 B79-10453 01 Use of composites in electric vehicles SUPERSONIC BOUNDARY LAYERS A reliable solid-state RF transfer switch NPO-14615 B79-10226 04 Flow fields in supersonic inlets MSC-16890 679-10454 01 STRUCTURAL DESIGN CRITERIA ARC-11098 B79-10253 06 SWITCHING Accurate determination of work in Advanced-panel pilot code Versatile digital signal processor for dc three-point bend tests ARC-11278 879-1025506 to dc converters LEWIS-13034 B79-10236 06 SUPERSONIC SPEEDS LEWIS-13020 679-10158 01 STRUCTURAL FAILURE Wing and leading-edge thrust Low-EMI solid-state relay Predicting LANGLEY-12516 B79-10545 06 MSC-12698 679-10446 01 the wet strength of SUPPORT SYSTEMS laminates Goddard trajectory determination Switching reduces computer power MSC-18022 879-10242 06 GSFC-11946 679-1011406 requirement STRUCTURAL MEMBERS SUPPORTS LANGLEY-11958 B79-10480 02 Extendable mast Noninterfering support for aerodynamic Switchbox for welding torches LANGLEY-12078 679-10267 07 models - M-FS-19354 B79-10578 08 STRUCTURAL RELIABILITY LANGLEY-12441 B79-10250 06 SWITCHING CIRCUITS Reliability of nondestructive evaluation SUPPRESSORS Components for an S-band data Metallic vibration isolators communication subsystem LEWIS-12908 B79-10257 06 M-FS-23949 679-10129 07 NPO-13955 679-10022 02 STRUCTURAL STABILITY SURFACE CRACKS Reliable inverter systems Dynamic simulation and stability Resonant-fatigue cracking apparatus NPO-14163 679-10026 02 analysis LEWIS-13037 879-10520 06 A telephone multiline signaling system GSFC-12422 679-10113 06 SURFACE DEFECTS KSC-11023 679-1003002 Structurally-continuous composite Improved flaw-detection method Solid-state power controller corners LANG LEY-1 1866 679-1037806 MSC-16661 679-10300 01 LANG LEY- 11942 B79-10586 08 Gage for 3-d contours Minimizing spikes in switching-regulator STRUCTURAL STRAIN MSC-19589 B79-10383 06 circuits Testing panels in shear and biaxial Triple-exposure holography for materials NPO-14505 679-10303 01 compression tests Overload protection for switching MSC-16132 679-10241 06 M-FS-25180 B79-10519 06 regulators STRUCTURES SURFACE FINISHING MSC-18513 679-10450 01 Giant-electrode welder A continuous silicon-coating facility Conserving power in computer LANGLEY-i 1429 B79-10136 08 NPO-14373 679-10072 04 memories STUDS (STRUCTURAL MEMBERS) Applying photosensitive emulsions to LANG LEY-11952 679-10477 02 Screw/stud removal tool enamel surfaces Improved switch-resistor packaging M-FS-22957 B79-10553 07 MSC-18107 B79-10144 08 MSC-19531 679-10565 08 SUBROUTINES Precise wet-chemical etching SYNTHETIC ARRAYS Hinge-connected rigid bodies NPO-14339 B79-10364 04 Eliminating clutter in synthetic-aperature NPO-11964 B79-10116 06 Long-wearing TFE/metal bearings radar SUBSONIC FLOW MSC-15994 679-10409 07 NPO-14035 679-10019 02 Advanced-panel pilot code SURFACE LAYERS SYSTEM EFFECTIVENESS ARC-11278 B79-10255 06 Rotatable fixture for spray coating Redundant system reliability analysis SUBSONIC SPEED ARC-1 1110 679-10274 08 LANG LEY-12069 679-10153 09 Interfering surfaces in subsonic, SURFACE PROPERTIES SYSTEM FAILURES transonic, and supersonic flow Determination of total surface Fault-tolerant computer system LANGLEY-12524 B79-10398 06 reflectivity NPO-14562 679-10171 02 SUBSTRATES M-FS-25024 B79-10100 06 SYSTEMS ANALYSIS Quality control during IC processing SURGERY Redundant system reliability analysis M-FS-25112 879-1028808 Coupler for surgery on small animals LANGLEY-12069 679-10153 09 SULFUR ARC-1 1114 B79-10230 05 Soda ash removes sulfur from fuels SURGES GSFC-12403 B79-10071 04 Surge protection with automatic reset T Burning crude oil without pollution MSC-18356 679-10305 01 NPO-14344 B79-10078 04 SURVEYS T SHAPE SULFUR OXIDES Analyzing Earth's surface data Precision leveling of large machinery Soda ash removes sulfur from fuels M-FS-25051 B79-10152 09 NPO-13257 679-10131 07 GSFC-12403 B79-10071 04 SUSPENDING (HANGING) TEFLON (TRADEMARK) Burning crude oil without pollution Cryogenic-container suspension strap Friction coefficients of PTFE bearing NPO-14344 B79-10078 04 ARC-1i157 879-1026007 liner Simultaneous stack-gas scrubbing and SWELLING M-FS-19389 679-10111 06 waste water treatment Equilibrium swelling of elastomers in Long-wearing TEE/metal bearings MSC-16258 B79-10502 04 solvents MSC-15994 679-10409 07 TELECOMMUNICATION SUN NPO-14637 679-10359 04 Improved isolation in double-balanced Sun tracker for clear or cloudy weather SWEPT WINGS mixers M-FS-23999 B79-10036 03 Transonic flow past swept wings NPO-14415 679-10012 01 SUNLIGHT LANGLEY-12446 679-10542 06 Comparing data transmission systems Solar insolation model SWITCHES NPO-14642 679-10290 09 NPO-14787 B79-10350 03 Fiber-optic crossbar switch TELEMETRY Energy saver for industrial lighting KSC-11104 B79-10006 01 Maximum-likelihood data decoder KSC-11103 B79-10388 06 Bond graph for modeling valves and NPO-13574 B79-10172 02 SUPERHIGH FREQUENCIES switches Comparing data transmission systems Low-backlobe microwave transmitting LEWIS-13177 679-10269 07 NPO-14642 679-10290 09 horn Automatic thermal switch Monitoring fetal pH by telemetry NPO-14077 B79-10003 01 GSFC-12415 679-10400 07 GSFC-12507 879-10517 05

1-29

TELEPHONES SUBJECT INDEX

TELEPHONES Graphite/epoxy-tape test specimens THERMOCOUPLES A telephone multiline signaling system MSC-18495 B79-10527 06 A thermocouple for hot. oxidizing KSC-11023 B79-10030 02 TESTS environments TELEPHONY Test-configuration identifiers LANGLEY-12229 B79-10247 06 Teletype test unit KSC-11087 B79-10102 06 Compact thermocouple reference for LANGLEY-12527 B79-10166 02 TEXTILES vacuum chambers TELETYPEWRITER SYSTEMS Flame-resistant textiles MSC-19651 679-10389 06 Teletype test unit MSC-18359 B79-10353 04 Crimped thermocouple connections LANGLEY-12527 B79-10166 02 THERAPY MSC-18489 B79-10561 08 TELEVISION EQUIPMENT Eye-controlled switch THERMODYNAMIC CYCLES Real-time video-image analysis M-FS-25091 B79-10084 05 Solar-powered jet refrigerator NPO-14282 B79-10018 02 THERMAL ABSORPTION NPO-14550 879-10251 06 Centering images in split-screen TV Weathering of a liquid-filled solar THERMODYNAMIC EFFICIENCY display collector Performance evaluation of a liquid solar MSC-18399 B79-10319 02 M-FS-25113 B79-10059 03 collector TELEVISION SYSTEMS M-FS-25026 679-10189 03 Electronic pictures from charged-coupled Concentrating solar Design and installation of a devices collector-performance tests solar-powered hot-water system GSFC-12324 879-10015 02 M-FS-25086 B79-10061 03 M-FS-25080 679-10190 03 Improving low-illumination video THERMAL CONDUCTIVITY The design of solar-heating and cooling MSC-14841 B79-10016 02 Fibrous refractory composite insulation systems Focusing laser scanner ARC-11169 B79-10224 04 M-FS-25106 B79-10192 03 M-FS-25102 B79-10184 03 THERMAL CONDUCTORS Preliminary design of an air solar TELEVISION TRANSMISSION Improved thermal-conducting and collector TV audio and video on the same current-confining film M-FS-25138 879-10198 03 channel LANGLEY-12350 679-10489 03 All-glass solar collector MSC-16241 879-10017 02 THERMAL CYCLING TESTS M-FS-23870 879-10334 03 TEMPERATURE CONTROL Improved metalized polycarbonate Solar-heating system design package Air solar collector-installation package capacitor M-FS-25226 B79-10335 03 M-FS-25031 B79-10056 03 M-FS-25142 879-10156 01 Weathering of a liquid solar collector Containerless high-temperature THERMAL DIFFUSION M-FS-25300 679-10496 03 calorimeter Separating liquid and gaseous solutions THERMODYNAMIC PROPERTIES M-FS-23923 B79-10086 06 M-FS-23368 B79-10506 04 Containerless high-temperature Temperature controller for crystal THERMAL EXPANSION calorimeter resonators Thermal jack M-FS-23923 B79-10086 06 NPO-14507 B79-10295 01 M-FS-19365 679-10579 08 Thermodynamic and transport properties Liquid/liquid heat exchanger THERMAL INSULATION of fluids NPO-14271 879-10329 03 Inspecting cracks in foam insulation LEWIS-13127 679-10352 03 No-reheat air-conditioning M-FS-23799 879-10107 06 Simple estimate of critical volume GSFC-12191 B79-10330 03 Measuring insulation thickness NPO-14464 B79-10358 04 Zone-controlled resistance heater M-FS-23798 879-10108 06 THERMOLUMINESCENCE MSC-16251 B79-10387 06 Cryogenic-container suspension strap Thermoluminescence analysis of Automatic thermal switch ARC-11157 879-1026007 aerosols GSFC-12415 B79-10400 07 Rotatable fixture for spray coating LANGLEY-12046 B79-10208 04 Installation package - home solar ARC-11110 B79-10274 08 THERMOPILES heater Double-wall tubing for oil recovery Electrical indication of airflow rate M-FS-25338 B79-10498 03 NPO-14606 B79-10360 04 M-FS-23873 B79-10090 06 TEMPERATURE EFFECTS Water-cooled insulated steam-injection THERMOSETTING RESINS Friction coefficients of PTFE bearing wells Volume-change indicator for molding liner NPO-14605 B79-10369 04 plastic M-FS-19389 879-10111 06 High-temperature insulation LANGLEY-12280 879-10123 07 TEMPERATURE MEASUREMENT M-FS-19498 879-10370 04 Heated tool for autoclaves Controller for solar heating-design Thermal seal for high and low LEWIS-12987 879-10411 07 package temperatures THICK FILMS M-FS-25009 879-10062 03 MSC-16151 B79-10413 07 Vacuum casting of thick polymeric Compact thermocouple reference for Flexible heat-and-pressure seal films vacuum chambers MSC-18134 B79-10414 07 NPO-14534 879-10278 08 MSC-19651 879-10389 06 Vacuum-bonded covering withstands low Lift-off procedure improves pattern Semiconductor step-stress testing temperatures definition M-FS-25329 B79-10455 01 MSC-16235 679-10509 04 LANG LEY- 12392 679-10287 08 TEMPERATURE PROBES THERMAL PROTECTION THICKNESS Improved temperature-control garment Measuring the thickness of plastic films Rugged fast-response temperature B79-10227 05 probe ARC-11239 ARC-11219 B79-10098 06 ARC-11289 B79-10531 06 THERMAL RESISTANCE Measuring insulation thickness High-temperature adhesives for M-FS-23798 879-10108 06 TEMPLATES polyimide films Plug and drill template LANGLEY-12348 679-10214 04 THIN FILMS MSC-16748 879-10120 07 THERMAL STABILITY Chemical-vapor-deposition reactor TENSILE STRENGTH Synthesis of triaryltrifluoroethanes NPO-14137 879-10075 04 Strength enhancement of prealloyed ARC-11097 B79-10217 04 Controlled metal-film deposition on powder superalloys THERMAL STRESSES alumina substrates LEWIS-13173 B79-10221 04 Redundant structures at elevated ARC-11214 B79-1008004 TENSILE TESTS temperatures Economical solder connections to thin Graphite/epoxy-tape test specimens MSC-18476 879-10540 06 films MSC-18495 B79-10527 06 THERMAL VACUUM TESTS GSFC-12404 679-10286 08 TEST FACILITIES Compact thermocouple reference for Mossbauer study of FeSi2 and FeSe thin Test-configuration identifiers vacuum chambers films KSC-11087 B79-10102 06 MSC-19651 679-10389 06 M-FS-25088 679-10371 04

1-30

SUBJECT INDEX TUNGSTEN

Peel testing metalized films Precision scriber TRANSIENT RESPONSE NPO-14672 879-10382 0b LEWIS-12976 B79-10566 08 Concentrating solar collector- THREADS TOPOGRAPHY performance tests Retainers for threaded parts Analyzing Earth's surface data M-FS-25086 B79-10061 03 MSC-16198 879-10264 07 M-FS-25051 B79-10152 09 TRANSISTOR CIRCUITS THRESHOLD GATES TOPOLOGY Reliable inverter systems Self-calibrating threshold detector for Hinge-connected rigid bodies NPO-14163 879-10026 02 noisy signals NPO-11964 879-1011606 TRANSISTORS MSC-16370 879-10009 01 TORCHES Germanium-on-lnP THRUST Switchbox for welding torches ure LED Wing and leading-edge thrust M-FS-19354 879-10578 08 LANGLEY-12349 B79-10488 03 LANGLEY-12516 879-10545 06 TO R 0 ID S TRANSMISSION LINES THRUST BEARINGS Fixture for winding transformers Troubleshooting plated-wire memories Simplified installation of thrust bearings NPO-14146 B79-10423 08 TORQUE M-FS-23903 B79-10099 06 M-FS-19473 B79-10555 07 Dual hybrid mode feed horn THUNDERSTORMS Controller for a string engine NPO-14388 879-10130 07 NPO-13594 879-10168 02 Cloud-to-ground lightning detector Interleaved shielding for cables KSC-11099 Extra-strong 'floating nut' 879-1002502 MSC-16938 879-10270 07 MSC-18369 B79-10311 01 Lightning protection for aircraft TORQUEMETERS Repairing flat cables LEWIS-12981 B79-10392 06 Torque-wrench extender for LANG LEY- 11950 879-10557 08 TILES hard-to-reach fasteners TRANSMISSIVITY Repairing cracked glass MSC-18488 879-10404 07 Measuring the thickness of plastic films KSC-11097 B79-10134 08 TORSIONAL STRESS ARC-1 1219 B79-10098 06 Fastener for easy installation and removal Testing panels in shear and biaxial Liquid solar collector of tiles compression M-FS-25218 879-10341 03 MSC-16892 B79-10276 08 MSC-16132 879-10241 06 Measuring transmissivity of solar-cell Repairing ceramic insulating tiles TOUCH covers MSC-18368 879-10426 08 Transducer with a sense of touch NPO-14638 B79-10485 03 TIME DIVISION MULTIPLEXING NPO-14656 B79-10161 01 TRANSMITTERS Multiplexed mass spectrometer for TOWING Improved isolation in double-balanced desorption studies Extra-safe tractor-trailer coupling ARC-11134 mixers B79-10185 03 FRC-10081 B79-10258 07 NPO-14415 879-10012 01 TIME MEASUREMENT TOXIC HAZARDS Variable-resolution counter Monitoring harmful gases TRANSONIC FLOW LANGLEY-12530 B79-10444 01 KSC-11086 B79-10211 04 Transonic flow past swept wings TIME OF FLIGHT SPECTROMETERS TRACKING (POSITION) LANGLEY-12446 B79-10542 06 Improved time-of-flight mass Sun tracker for clear or cloudy weather Transonic airfoil analysis and design spectrometer M-FS-23999 B79-10036 03 LANGLEY-12354 B79-10543 06 ARC-11090 879-10187 03 Single-axle, double-axis solar tracker TRANSPARENCE TIME SERIES ANALYSIS M-FS-23267 B79-10177 03 Transparent solar cell module Computing time- and frequency-domain Pointing errors in solar dish collectors NPO-14304 B79-10034 03 analysis NPO-14630 879-10181 03 Measuring transmissivity of solar-cell FRC-10121 879-10439 09 Interferometer antenna-array system covers TIME SHARING GSFC-12365 B79-10323 02 NPO-14638 B79-10485 03 Self-calibrating threshold detector for TRAILERS TRANSPONDERS noisy signals Extra-safe tractor-trailer coupling Stable S-band power amplifier MSC-16370 B79-10009 01 FRC-10081 879-10258 07 NPO-14443 B79-10313 01 Optical memories in digital computing TRAJECTORY ANALYSIS TRANSPORT PROPERTIES M-FS-23897 B79-10032 02 Goddard trajectory determination Thermodynamic and transport properties TIRES GSFC-11946 879-1011406 of fluids Tire-pressure measuring concept TRANSDUCERS LEWIS-13127 B79-10352 03 MSC-18490 879-10522 06 Attaching strain transducers to fragile TRAVELING WAVE TUBES TISSUES (BIOLOGY) materials Limiting amplifier for microwaves Wideband electronics for ultrasonic tissue MSC-16580 B79-10105 06 MSC-18471 B79-103140i characterization Transducer with a sense of touch Coupled-cavity traveling-wave tubes NPO-14461 B79-10229 05 NPO-14656 B79-10161 01 LEWIS-12861 879-10396 06 TITANIUM Photocapacitive infrared detector and Brazing titanium to stainless steel TRUCKS solar cell Extra-safe tractor-trailer coupling LANGLEY-11441 B79-10577 08 LANGLEY-12345 B79-10162 01 TOOLS FRC-10081 B79-10258 07 Improved capacitive EKG electrode TRUSSES Nondestructive pull tester MSC-18321 B79-10232 05 MSC-18329 B79-10091 06 Removable fastener for large structures Crack-opening displacement transducer M-FS-23990 B79-10127 07 Precision leveling of large machinery LANGLEY-12485 NPO-13257 879-10131 07 B79-10381 06 Foldable beam Tool cuts self-locking joints in plastics Sensor amplifier for weak light sources LANGLEY-12076 879-10271 07 LANGLEY-12427 879-10275 08 M-FS-25025 879-10449 01 TTL INTEGRATED CIRCUITS Torque-wrench extender for Trifunctional transducer for myocardial Binary-to-Manchester encoders hard-to-reach fasteners monitoring MSC-16546 B79-10157 01 MSC-18488 B79-10404 07 NPO-14329 879-10518 05 Digital phase shifter Heated tool for autoclaves Adjustable holder for transducer LANGLEY-12338 879-10159 01 LEWIS-12987 879-10411 07 mounting Offset compensation for AID Dimpling aircraft skins for MSC-18371 B79-10535 06 converters countersunk-head rivets TRANSFORMERS NPO-13438 B79-10163 01 LANGLEY-12240 B79-10427 08 Fixture for winding transformers TUNGSTEN A tool for installation and removal of NPO-14146 B79-10423 08 Inhibiting oxidation of tungsten at high cylindrical baffles Rapid testing of pulse transformers temperatures M-FS-19508 879-10554 07 MSC-18202 B79-10529 06 M-FS-19347 B79-10569 08

1-31

TUNING SUBJECT INDEX

TUNING V VENTING Inductorless tuned circuit for high Simple noise suppressor for vented frequencies V/STOL AIRCRAFT high-pressure gas GSFC-12410 B79-10294 01 Aerodynamic performance of jet-flap LEWIS-13231 879-10265 07 TUNNELING (EXCAVATION) wings VERY HIGH FREQUENCIES Ensuring flat cuts in longwall mining ARC-11215 B79-10541 06 VHF frequency multiplier M-FS-23726 879-10118 07 NPO-13700 B79-10005 01 VACUUM CHAMBERS VIBRATION TURBINE BLADES Compact thermocouple reference for Higher gain for feedback control subject Noncontact strain measurement vacuum chambers to vibrations LEWIS-13091 879-10243 06 MSC-19651 B79-10389 06 LANGLEY-12215 679-10170 02 TURBINE PUMPS Safety shield for VIBRATION DAMPING Rotating-shaft seals vacuum/pressure-chamber windows Stiffness and damping of elastomeric LEWIS-13227 B79-10272 07 GSFC-12513 879-10391 06 0-rings Axial-flow turbopumps VACUUM DEPOSITION LEWIS-13079 879-10132 07 LEWIS-13228 B79-10273 07 Silicon source for vacuum deposition VIBRATION ISOLATORS Controlling subsynchronous whirl in LANGLEY-12356 879-10076 04 Metallic vibration isolators turbopumps Vapor-deposited graded-thickness films M-FS-23949 B79-10129 07 M-FS-19423 879-10533 06 GSFC-11806 B79-10143 08 Fabrication of a pillowed airbag VACUUM FURNACES MSC-18455 879-10424 08 Simplified installation of thrust bearings Furnace brazing under partial vacuum VIBRATION TESTS M-FS-19473 879-10555 07 M-FS-19363 879-10137 08 Three-dimensional vibration fixture TURBINES Protecting brazing furnaces from air MSC-16305 B79-10528 06 High-efficiency wind turbine leaks VIDEO COMMUNICATION M-FS-23830 879-10483 03 M-FS-19379 B79-10574 08 TV audio and video on the same TURBOFAN ENGINES VACUUM TESTS channel Annular acoustic liners for turbofan Friction coefficients of PTFE bearing MSC-16241 B79-10017 02 engines liner Video-compression scheme LEWIS-12810 B79-10133 07 M-FS-19389 879-10111 06 ARC-10984 B79-10316 02 Fan noise-mode structure in a duct VALVES VIDEO DATA LEWIS-13129 B79-10393 06 Rubber valve seal with tough skin Real-time video-image analysis TURBOMACHINERY LANGLEY-11776 879-1012507 NPO-14282 879-10018 02 Stiffness and damping of elastomeric Quartz ball value VIDEO EQUIPMENT 0-rings NPO-14473 679-10128 07 Centering images in split-screen TV LEWIS-13079 B79-10132 07 Bifunctional gas-flow regulator display NPO-13135 B79-10266 07 MSC-18399 879-10319 02 Bond graph for modeling valves and VINYL COPOLYMERS switches Modified polymers for gas U LEWIS-13177 B79-10269 07 chromatography Improved microbial-check-valve resins ARC-11154 679-1021504 ULTRAHIGH FREQUENCIES MSC-18377 879-10376 05 VISCOSITY Low - backlobe microwave transmitting Positive isolation disconnect Relating viscosity to polymer horn MSC-16043 B79-10410 07 concentration NPO-14077 879-10003 01 Balanced-force flow-regulator valve NPO-14609 879-10357 04 MSC-12731 879-10419 07 An improved capillary rheometer ULTRAHIGH VACUUM NPO-14501 679-10366 04 Degassing procedure for ultrahigh Zero-leak valve NPO-14717 879-10421 07 VISCOUS FLUIDS vacuum Equilibrium swelling of elastomers in M-FS-25103 679-10188 03 A low-cost molecular-leak value solvents ULTRASONIC TESTS LANGLEY-12249 879-10504 04 NPO-14637 679-10359 04 High-resolution echocardiography Onsite testing of pressure sampling Longer shelf life for ceramic slurries NPO-14349 879-10081 05 LANGLEY-12428 B79-10526 06 MSC-18543 879-10510 04 Wideband electronics for ultrasonic tissue Miniature motor-driven instrument VISUAL CONTROL characterization valve Eye-controlled switch NPO-14461 679-10229 05 LEWIS-13195 879-10549 07 M-FS-25091 879-10084 05 A plasma-sprayed valve coating ULTRASONIC WAVE TRANSDUCERS M-FS-19494 B79-10568 08 VOICE DATA PROCESSING Ultrasonic grating checks electron-beam Lock detector for noise-coded signals VAN DER WAAL FORCES NPO-14435 679-10324 02 welds Thermodynamic and transport properties M-FS-19422 B79-10094 06 VOLTAGE CONVERTERS (DC TO DC) of fluids Versatile digital signal processor for dc ULTRAVIOLET PHOTOGRAPHY LEWIS-13127 B79-10352 03 to dc converters Diazo techniques for remote sensor data VAPOR DEPOSITION LEWIS-13020 679-10158 01 analysis Chemical-vapor-deposition reactor M-FS-25110 B79-10246 06 VOLTAGE GENERATORS NPO-14137 879-10075 04 Theory of back-surface-field solar cells ULTRAVIOLET RADIATION Silicon source for vacuum deposition NPO-14451 679-10050 03 Preionized discharge for LANGLEY-12356 879-10076 04 Vapor-deposited graded-thickness films VOLTAGE REGULATORS short-wavelength laser Solar power conditioner NPO-13945 679-10186 03 GSFC-11806 B79-10143 08 Improved vapor-growth technique for NPO-14356 B79-10035 03 UNITS OF MEASUREMENT Ill-V compound lasers Window comparator for voltages Compiler validates Units and LANGLEY-12255 B79-10487 03 FRC-10090 B79-10445 01 dimensions Germanium-on-In P VOLUME KSC-11054 879-1043709 ure LED Volume-change indicator for molding URBAN PLANNING LANGLEY-12349 B79-10488 03 plastic Inexpensive land-use maps extracted VELOCITY DISTRIBUTION LANGLEY-12280 B79-10123 07 from satellite data Projection optics for a laser velocimeter Simple estimate of critical volume M-FS25111 B79-10150 09 LANGLEY-12328 B79-10045 03 NPO-14464 879-10358 04

1-32

SUBJECT INDEX X RAY IRRADIATION

NZ Collector performance after weathering Miniature motor-driven instrument valve M-FS-25 187 879-10346 03 LEWIS-13195 B79-10549 07 WAFERS Weathering of a flat-plate solar WINDING Remote manipulator for IC wafers collector High-energy-density cylindrical M-FS-23846 879-10122 07 M-FS-25160 879-10348 03 capacitors Automatic inspection of silicon wafers Measuring transmissivity of solar-cell LEWIS-12999 B79-10283 08 M-FS-25124 covers WINDOWS (APERTURES) B79-10384 06 NPO-14638 WARNING SYSTEMS 879-10485 03 Window with integral seal Cloud-to-ground lightning detector Weathering of a liquid solar collector MSC-16490 B79-10141 08 KSC-11099 B79-10025 02 M-FS-25300 879-10496 03 Safety shield for WASTE DISPOSAL Testing of a solar collector with vacuum/pressure-chamber windows Marine Chlorophyll a analysis concentrating mirrors GSFC-12513 B79-10391 06 LANG LEY- 12293 B79-10048 03 M-FS-25310 B79-10497 03 WINDPOWER UTILIZATION Low cost disposal of MMH WEIGHT (MASS) Wind-energy storage KSC-11135 Accurate measurements of mass and LEWIS-13097 B79-10500 03 879-1050304 center of mass WATER INJECTION WINDPOWERED GENERATORS Water-cooled insulated steam-injection NPO-14428 B79-10095 06 High-efficiency wind turbine wells WEIGHT REDUCTION M-FS-23830 B79-10483 03 NPO-14605 879-10369 04 Use of composites in electric vehicles WINDSHIELDS WATER LOSS NPO-14615 B79-10226 04 Window with integral seal Self-packaging desiccant WELD STRENGTH MSC-16490 B79-10141 08 NPO-14354 Shear strength of aluminum fillet welds WING LOADING 879-10068 04 M-FS-23946 WATER POLLUTION 879-10511 04 Noninterfering support for aerodynamic Marine chlorophyll a analysis WELD TESTS models LANGLEY-12293 B79-10048 03 Nondestructive pull tester LANGLEY-12441 B79-10250 06 LANDSAT and water pollution MSC-18329 B79-10091 06 Aerodynamic performance of jet-flap M-FS-25099 Push test for switch welds wings B79-10151 09 M-FS-25027 Low cost disposal of MMH B79-10092 06 ARC-11215 B79-10541 06 KSC-11135 Nondestructive weld test by holography WING PLANFORMS B79-10503 04 M-FS-23826 WATER PRESSURE B79-10245 06 Wing and leading-edge thrust Static load testing of a liquid solar WELDED JOINTS LANGLEY-12516 879-10545 06 collector Fixture for limited-access welding WING PROFILES M-FS-25115 B79-10057 03 MSC-16698 879-10135 08 Low-aspect-ratio wings WATER RESOURCES Thermographic inspection of welded LANGLEY-12490- B79-10399 06 Analyzing water resources contacts WIRE M-FS-25 104 879-10235 05 M-FS-25093 879-10244 06 Troubleshooting plated-wire memories WATER TREATMENT WELDING M-FS-23903 879-10099 06 Ozone inhibits corrosion in cooling Checking weld penetration Wire stripper protects cable shielding towers M-FS-19395 879-10093 06 FRC-10111 879-1055908 NPO-14340 B79-10362 04 Ultrasonic grating checks electron-beam WIRE WINDING Improved microbial-check-valve resins welds Fixture for winding transformers MSC-18377 B79-10376 05 M-FS-19422 879-10094 06 NPO-14146 879-10423 08 Simultaneous stack-gas scrubbing and Removable fastener for large structures WIRING waste water treatment M-FS-23990 B79-10127 07 Nondestructive pull tester MSC-16258 879-10502 04 Fixture for limited-access welding MSC-18329 B79-10091 06 MSC-16698 B79-10135 08 Push test for switch welds WATER VAPOR M-FS-25027 Measuring moisture in the atmosphere Giant-electrode welder B79-10092 06 LANG LEY-1 1429 879-10136 08 WORK M-FS-25032 B79-101 10 06 Accurate determination of work in WAVELENGTHS Confined explosive joining of tubes LANGLEY-12248 B79-10280 08 three-point bend tests Efficient dichroic plate for microwaves LEWIS-13034 B79-10236 06 GSFC-12171 879-10002 01 Stitch-bond parallel-gap welding for IC WORKING FLUIDS WEAR INHIBITORS circuits MSC-16459 High-performance solar collector A plasma-sprayed valve coating 879-10560 08 M-FS-25135 B79-10178 03 M-FS-19494 879-10568 08 Inhibiting oxidation of tungsten at high WRENCHES WEATHER temperatures Torque-wrench extender for Sun tracker for clear or Cloudy weather M-FS-19347 879-10569 08 hard-to-reach fasteners M-FS-23999 879-10036 03 Microscope for high-temperature MSC-18488 B79-10404 07 WEATHER DATA RECORDERS welding Screw/stud removal tool Remote-sensing applications to geology MSC-19572 879-10576 08 M-FS-22957 879-10553 07 M-FS-25151 879-10203 03 Switchbox for welding torches A tool for installation and removal of WEATHER FORECASTING M-FS-19354 879-10578 08 cylindrical baffles Meteorological data-processing package WIND TUNNEL CALIBRATION M-FS-19508 879-10554 07 GSFC-12372 879-10206 03 Onsite testing of pressure sampling Microwave measurement of atmospheric LANGLEY-12428 879-10526 06 pressure WIND TUNNEL MODELS x NPO-14450 879-10333 03 Noninterfering support for aerodynamic WEATHERING models • RAY ANALYSIS Weathering of a liquid-filled solar LANGLEY-12441 B79-10250 06 Improvement of CAT scanned images collector WIND TUNNEL TESTS LEWIS-13276 879-10374 05 M-FS-25113 879-1005903 Projection optics for a laser velocimeter • RAY APPARATUS Performance after weathering of a liquid LANG LEY-12328 879-10045 03 Seated high-pressure X-ray detector solar collector WIND TUNNELS GSFC-12519 I B79-10492 03 M-FS-25137 B79-10194 03 Rugged fast-response temperature • RAY IRRADIATION Liquid solar collector probe Quality control during IC processing M-FS-25218 879-10341 03 ARC-11289 B79-10531 06 M-FS-25112 B79-10288 08

1-33

ZEEMAN EFFECT SUBJECT INDEX

ZEEMAN EFFECT Fabricating wedge-shaped beam splitters GSFC-12348 879-10326 03

1-34 Index to NASA Tech Briefs PERSONAL AUTHOR INDEX Issue 21

ANGLIN. A. E. Water-cooled insulated steam-injection Cleaning contaminated superalloy wells powders NPO-14605 879-10369 04 LEWIS-13041 879-10279 08 BAG WELL P. R. Zone-controlled resistance heater Personal Author Index ANSELMO, V. J. Microcomputer helps evaluate skin MSC-16251 879-10387 06 This index is arranged alphabetically by author. burns BAILEY, P. L The Tech Brief title is listed followed by the NPO-14402 B79-10082 05 Rugged fast-response temperature originating Center number. e.g., GSFC-12404. ANTHONY. K. probe Simple, economical solar collector ARC-11289 879-10531 06 The Tech Brief number. e.g.. B79-10286, BAKER, C. M. is followed by a two-digit number. e.g.. 08, M-FS-25 109 B79-10179 03 Troubleshooting plated-wire memories which designates the subject category. ANTONIDES, G. J. M-FS-23903 879-10099 06 Transparent solar cell module BAKER, W. E. NPO-14304 879-10034 03 Estimating effects of accidental APPLEBERRY, W. T. propellant explosions Compact rotary sequencer LEWIS-13247 879-10252 06 MSC-19514 B79-10401 07 BALES, M. Mechanical-load indicator Multiplexed mass spectrometer for MSC-19511 B79-10534 06 desorption studies ARENS, W. E. ARC-11134 879-10185 03 Azimuth correlator for synthetic BARAJAS, S. L aperature radar Bidirectional fluid-flow monitor NPO-14019 MSC-16762 879-10089 06 ACCOUNTIUS. 0. E. 879-10020 02 BARAONA. C. R. Microscope for high-temperature ARLINE, J. Wraparound-contact solar cells welding Energy saver for industrial lighting LEWIS-13089 879-10001 01 MSC-19572 B79-10576 08 KSC-11103 879-1038806 BARBIERI. A. H. ADAMS, F. F. ARMENOFF, C. T. Solar energy for industrial process heat Strong, corrosion-resistant aluminum Protecting brazing furnaces from air NPO-14498 B79-10064 03 tubing leaks BARBOUR, J. G. MSC-18040 879-10417 07 M-FS-19379 879-10574 08 Dimpling aircraft skins for AGGARWAL K. Thermal jack countersunk.head rivets Mossbauer study of FeSi2 and FeSe thin M-FS-19365 B79-10579 08 LANGLEY-12240 B79-10427 08 films Viewing electron-beam welds in BARKER. C. M-FS-25088 B79-10371 04 progress Measuring coal thickness M-FS-19364 879-10580 08 M-FS-23979 879-10363 04 AHLBERG, L A. BARNDT, R. High-temperature high-pressure ARMSTRONG, J. Computer measurement of arterial Computer measurement of arterial magnetic pickup disease MSC-18389 B79-10532 06 disease NPO-14266 879-10377 05 NPO-14266 879-10377 05 ALBE RDA. M. E. ASHMORE, L 0. BARNES. J. A. Maximum-likelihood data decoder Tire-pressure measuring concept Self-calibrating threshold detector for NPO-13574 879-10172 02 MSC-18490 879-10522 06 noisy signals ALBRECHT. W. P. ASHWORTH, B. R. MSC-16370 879-10009 01 Extra-safe tractor-trailer coupling A closed-loop control-loading system BARNETI, C. J. FRC-10081 879-10258 07 LANG LEY- 12167 B79-10029 02 Remotely controlled latch MSC-18365 879-10403 07 ALEXANDER, S. S. ATARAS, W. S. Improved ion-selective membranes Digital generation of command-encoder BARNEY. T. W. LEWIS-12678 879-10222 04 waveforms !nexpensive land-use maps extracted GSFC-12203 879-10478 02 from satellite data ALFORD, C. 0. ATKINS, B. A. M-FS-25111 879-1015009 Optical memories in digital computing Giant-electrode welder BARNS, C. E. M-FS-23897 B79-10032 02 LANG LEY- 11429 879-1013608 High-acceleration cable deployment ALLARIO, F. AVIZIENIS, A. A. ARC-11256 879-10547 07 Remote measurement of atmospheric Fault-tolerant computer system BARR. D. J. pollutants NPO-14562 879-10171 02 Inexpensive land-use maps extracted LANGLEY-12277 ' B79-1021004 from satellite data M-FS-25111 B79-10150 09 ALPENIA, J. L Analyzing Earths surface data Isolator/retainer for connectors B M-FS-25051 879-10152 09 MSC-18527 B79-10312 01 BASS, J. A. ANDERSON, A. N. BACK, L H. Economical solder connections to thin Tube-shape verifier Double-wall tubing for oil recovery films MSC-19623 B79-10571 08 NPO-14606 B79-10360 04 GSFC-12404 879-10286 08

'-35

BATHKER, D. A. PERSONAL AUTHOR INDEX

BATHKER. D. A. BERTINO, F. BRABSS, T. A. Low -backlobe microwave transmitting Development of CMOS integrated Compact reactor for onboard hydrogen horn Circuits generation NPO-14077 B79-10003 01 M-FS-25121 B79-10165 01 LEWIS-13033 879-10368 04 Dual hybrid mode feed horn BICKLER, D. B. BRAKEN. P. A. NPO-13594 879-10168 02 Low-cost production of solar-cell Meteorological data-processing package Dual-frequency microwave antenna panels GSFC-12372 879-10206 03 NPO-13091 B79-10322 02 NPO-14453 B79-10432 08 AOIPS classification package BATISTA, R. I. BlESS, J. L GSFC-12374 679-10207 03 Brazing titanium to stainless steel Versatile digital signal processor for dc BRANTLEY, L W. LANG LEY- 11 1441 B79-10577 08 to dc converters Single-axle, double-axis solar tracker LEWIS-13020 B79-10158 01 M-FS-23267 B79-10177 03 BAYLESS, E. BILLINGSLY, J. B. Arc-termination cracks in inconel 718 Meteorological data-processing package BRASS, R. A. and incoloy 903 Long-wearing TFE/metal bearings GSFC-12372 B79-10206 03 879-10409 07 M-FS-25089 B79-10588 08 AOIPS classification package MSC-15994 BEAL J. R. GSFC-12374 879-10207 03 BRECKENRIDGE, R. A. Reliability of imaging CCD's BILLINGTON, K. L Technique for mounting pyroelectric M-FS-25039 B79-10013 01 Crimped thermocouple connections detector arrays BEALL H. C. MSC-18489 879-10561 08 LANGLEY-12363 679-10425 08 Teletype test Unit BILLS, G. A. BRECKINRIDGE, J. B. LANGLEY-12527 879-10166 02 Advanced-panel pilot code A chevron beam-splitter interferometer BEATTY, A. W. ARC-11278 B79-10255 06 NPO-14502 B79-10046 03 Group-delay standards BIVINS, L BRENNAN. A. NPO-13938 879-10014 01 Peel testing metalized films A plasma-sprayed valve coating BEEKLEY, D. C. NPO-14672 B79-10382 06 M-FS-19494 879-10568 08 High-performance solar collector BIZON, P. T. BRIGHT, C. W. M-FS-25135 879-10178 03 Noncontact strain measurement Artificial limb connector BEER, R. LEWIS-13091 879-10243 06 KSC-11069 879-1008305 High-resolution spectrometer BLACK, J. M. BRIGHT, T. M. NPO-14372 879-10328 03 Window comparator for voltages Troubleshooting plated-wire memories BEHAR, J. M. FRC-10090 879-10445 01 M-FS-23903 879-10099 06 Window with integral seal BLACK, M. D. BROKL S. S. MSC-16490 879-10141 08 Controlling subsynchronous whirl in Offset compensation for A/D BEJCZY, A. K. turbopumps converters Transducer with a sense of touch M-FS-19423 B79-10533 06 NPO-13438 879-10163 01 879-10161 01 BLAINE. J. BROOKS, S. NPO-14656 Measuring coal thickness Computer measurement of arterial Fiber-Optic proximity sensor M-FS-23979 B79-10363 04 disease NPO-14653 879-10390 06 BLAND, R. A. NPO. 14266 879-10377 05 Slip sensor LANDSAT signature development BROWN, J. N. NPO-14655 879-10405 07 program Removable fastener for insulating tiles BELCHER, J. G. JR. KSC-11113 B79-10501 03 MSC-16483 879-10124 07 Removing overcoatings from BLANKENHORN, D. H. BROWNLOW, J. D. microcircuits Computer measurement of arterial Computing time- and frequency-domain M-FS-23851 879-10285 08 disease analysis BELL C. H. NPO-14266 B79-10377 05 FRC-10121 879-10439 09 Fiber-optic crossbar switch BLOAM, E. T. BRUNSTEIN. S. A. KSC-11104 879-1000601 Multiple-camera automatic controller Low-backlobe microwave transmitting BELL W. F. LEWIS-12711 879-1017502 horn Increased fuel-cell cross-pressure limit B LOCH. J. T. NPO-14077 879-10003 01 M-FS-25196 879-10484 03 Assembling solar-cell arrays Dual-frequency microwave antenna BELLAVIA, J., JR. NPO-14416 879-10037 03 NPO-13091 679-10322 02 Flexible heat-and-pressure seal BLOW, S. J. BRYAN, C. J. MSC-18134 B79-10414 07 An annotated energy bibliography Continuous sterilization of plumbing BELT. J. L LANGLEY-12488 B79-10065 03 systems A telephone multiline signaling system BLUM, A. KSC-11085 B79-10079 04 KSC-11023 879-1003002 Monitoring fetal pH by telemetry BUBSEY, A. T. BEMENT, L J. GSFC-12507 B79-10517 05 Deflectometer for precracked charpy and Confined explosive joining of tubes BOHLMAN, R. E. jic bend tests Predicting the wet strength of LEWIS-13090 879-10386 06 LANGLEY-12248 879-10280 08 BUGGELE, A. E. BENADO, S. laminates B79-10242 06 Multipurpose seals for pressure vessels Metallic vibration isolators MSC-18022 LEWIS-12944 879-10263 07 M-FS-23949 B79-10129 07 BOND, R. L BUGGLE, R. N. BENEFIELD, J. W. Anthropometric sourcebook Detecting insulation defects in Separating liquid and gaseous solutions MSC-18500 B79-10234 05 metal/plastic films M-FS-23368 879-10506 04 BORENSTEIN, M. D. M-FS-25127 679-10524 06 BERGE, L H. Reliability of imaging CCDs BUJOCCHI, C. J. Improved acoustic levitation apparatus M-FS-25039 879-10013 01 Improved vapor-growth technique for M-FS-25050 B79-10567 08 BOULDIN, D. L Ill-V compound lasers BERGMAN, L A. CMOS circuit-fabrication handbook LANGLEY-12255 879-10487 03 Measuring signal-to-noise ratio M-FS-25034 B79-10148 08 BUNN, J. automatically Multilayer metalization of MOS Cs Low-noise current regulator NPO-14582 879.10297 01 M-FS-23541 879-10562 08 NPO-14070 879-10011 01 BERKMAN, S. BOYD, R. W. BURGESS, R. W. Improved inverted Stepanov apparatus Viterbi/algebraic hybrid decoder All-digital QPSK modulator NPO-14297 879-10223 04 M-FS-25095 879-10593 09 MSC-16922 B79-10320 02

1-36

PERSONAL AUTHOR INDEX CULLER, V. H.

BURLEY, R. K. CASH, W. H., JR. CLEMONS, J. M. Switchbox for welding torches Low-frequency attenuator circuit Bonding soft rubber or plasticized M-FS-19354 B79-10578 08 FRC-11012 679-1001001 elastomers to metal BUROWICK, E. A. CASON. R. L M-FS-25181 879-10582 08 Audible monitor for electroplating Cable-fault locator CODA, L R. M-FS-19333 B79-10106 06 KSC-10899 879-10024 02 Remotely controlled latch BURR, M. E. CASTIGLIONE, P. MSC-18365 879-10403 07 Extending the range of leak detectors Remotely controlled latch COLE, E. R. M-FS-19411 B79-10104 06 MSC-18365 679-10403 07 A flexible data base BUTEAU, J. D. CASTRUCCIO, P. NPO-13777 B79-10438 09 Separation region on boattail nozzles LANDSAT and water pollution COLLINS. D. D. LANGLEY-12453 679-10422 07 M-FS-25099 879-10151 09 Simultaneous stack-gas scrubbing and BUTrER, C. CAUGHEY, D. A. waste water treatment A continuous silicon-coating facility Transonic flow past swept wings MSC-16258 879-10502 04 NPO-14373 879-10072 04 LANGLEY-12446 B79-10542 06 COLLINS. E. R. BUZZARD, R. J. CAVANO, P. J. Cutting silicon for solar cells Accurate determination of work in NPO-14406 879-10146 08 three-point bend tests Heated tool for autoclaves LEWIS-13034 B79-10236 06 LEWIS-12987 B79.10411 07 COLLIPRIEST, J. E., JR. Improved displacement measurement in CAZARES, W. S. Thermal seal for high and low Laser alignment of large assemblies temperatures bend testing 879.10413 07 LEWIS-13035 679-10237 06 MSC-19346 679-10097 06 MSC-16151 Displacement gage modified for multiple CHAI, V. W. COLOMBO, G. V. measurements Analysis of building heating and Improved microbial-check-valve resins LEWIS-13036 879-10238 06 cooling MSC-18377 879-10376 05 Determining radii of cylindrical NPO-14683 679-10067 03 CONNOLLY, D. J. segments Solar-powered jet refrigerator Coupled-cavity traveling-wave tubes LEWIS-12826 B79-10537 06 NPO-14550 679-10251 06 LEWIS-12861 879.10396 06 Precision scriber CHAMBERLAIN, R. G. CONSTABLE, R. C. LEWIS-12976 679-10566 08 Solar array manufacturing industry Troubleshooting plated-wire memories BYRN, N. R. simulation M-FS-23903 679-10099 06 Monte Carlo variance reduction NPO-14747 679-10435 08 COUCH, R. H. M-FS-23645 679-10499 03 CHAN, R. B. Teletype test unit Surge protection with automatic reset LANGLEY-12527 679-10166 02 MSC-18356 B79.10305 01 COUCHMAN, J. C. CHANEY, R. E. Reliability of nondestructive evaluation New approach to purifying silicon data NPO-14474 B79-10367 04 CADE, D. H. LEWIS-12908 679-10257 06 Removable fastener for insulating tiles CHANG, C. C. COX, R.L Proposed Josephson voltage standard Improved temperature-control garment MSC-16483 679-10124 07 M-FS-23845 679-10482 03 CALFO, F. D. ARC-11239 679-1022705 CHAPMAN, C. P. V., JR. Noncontact Strain measurement Electric-car simulation COYNER, J. LEWIS. 13091 679-10243 06 Extendable mast NPO-14570 679-10394 06 LANG LEY- 12078 B79-10267 07 CALLEN, W. R. CHARLES, J. F. Focusing laser scanner Extra-strong floating nut CRAMER, P. W. M-FS-25102 B79-10184 03 MSC-16938 879-10270 07 Low -backlobe microwave transmitting CALVERT, J. A. CHARTIER, E. N. horn Angular-displacement mechanism Removing bonded skin from a NPO. 14077 679-10003 01 M-FS-23777 B79-10408 07 substrate CRAMER, P. W., JR. CAMBELL L W. MSC-19664 B79-10587 08 Limited scan dual-band high-gain Inspecting cracks in foam insulation CHERN, S. antenna M-FS-23799 B79-10107 06 Chemical-vapor-deposition reactor NPO-14038 879-10167 02 CAMPBELL R. A. NPO-14137 879.10075 04 CRAMPTON, S. B. Ensuring flat cuts in longwall mining CHIHOSKI, R. A. improving maser frequency stability M-FS-23726 679-1011807 Giant-electrode welder GSFC-12400 B79-10331 03 CANNING, T. N. LANG LEY- 11429 879-1013608 CRAWFORD, R. F. High-acceleration cable deployment CHILDRESS, C. L Foldable beam ARC-11256 B79-10547 07 Adjusting an electron beam for drilling LANGLEY. 12076 879.10271 07 CANRIGHT, V. R. M-FS-19326 879-10572 08 CROSBY, R. A. Overall loudness of steady sounds CHOW, E. V. Fatigue properties of columbium alloy LEWIS-12914 879-10538 06 Accurate measurements of mass and MSC-18256 879-10225 04 center of mass CROUCH. R. K. CARLSON. H. W. NPO-14428 879.10095 06 LED display for solo aircraft instrument Wing and leading-edge thrust CHRIST, C. R. LANGLEY-12516 B79-10545 06 navigation Tube-shape verifier LANGLEY-12292 679-10023 02 CARISON, L A. MSC-19623 879.10571 08 Photocapacitive infrared detector and Transonic airfoil analysis and design CHRISTENSEN, W. LANGLEY-12354 B79-10543 06 solar cell Modified polymers for gas 879-10162 01 CARISTROM. E. E. chromatography LANG LEY- 12345 Detecting leaks in vacuum bags ARC-11154 879-1021504 CUDDIHY, E. F. MSC-18423 879-10380 06 CHVOSTAL P. Vacuum casting of thick polymeric CARROLL W. F. Stitch-bond parallel-gap welding for IC films Double-wall tubing for oil recovery circuits NPO-14534 879-10278 08 NPO-14606 879-10360 04 MSC-16459 B79-10560 08 CULLER, V. H. CARSON, L M. CLEMMONS, J. I., JR. Trifunctional transducer for myocardial Lock detector for noise-coded signals Variable-resolution counter monitoring NPO-14435 B79-10324 02 LANG LEY-12530 B79-10444 01 NPO-14329 679-10518 05

1-37 CUNNINGHAM, A. M., JR. PERSONAL AUTHOR INDEX

CUNNINGHAM. A. M., JR. Sensor/amplifier for weak light sources ECONOMU, M. A. Interfering surfaces in subsonic, M-FS-25025 679-10449 01 Wire stripper protects cable shielding transonic, and supersonic flow DEWITT, R. R. FRC-10111 679-10559 08 LANGLEY-12524 B79-10398 06 Guide to remote-sensor data systems EDWARDS, C. L W. CUNNINGHAM. J. W. M-FS-25169 679-10349 03 Arbitrary aircraft-geometry generator Automatic thermal switch DILLARD, P. A. LANGLEY-12515 679-10256 06 Transparent solar cell module GSFC-12415 679-10400 07 EDWARDS, D. B. CUPP, J. L NPO-14304 679-10034 03 Use of composites in electric vehicles Graphite/epoxy-tape test specimens Fixture for assembling solar panels NPO-14615 879-10226 04 MSC-18495 B79-10527 06 NPO-14303 B79-10147 08 CURRIE, J. R. DILLENIUS, M. F. E. EDWARDS, J. W. Ensuring flat cuts in longwall mining Characteristics of wing/body/tail Linear continuous and sampled-data configurations systems M-FS-23726 B79-10118 07 FRC-10114 B79-10440 09 CU SACK. J. A. ARC-11224 879-1025406 VHF frequency multiplier DIXON. B. ELIFRITS, C. D. NPO-13700 B79-10005 01 Goddard trajectory determination Inexpensive land-use maps extracted GSFC-11946 679-1011406 from satellite data DIXON. C. E. M-FS-25111 B79-10150 09 CMOS analog switches for adaptive Analyzing Earths surface data filters M-FS-25051 679-10152 09 NPO-14442 679-10307 01 ELLIS, H., JR. DANIELS. C. M. DODD. R. W. Wide-beam flush-mounted antenna Friction coefficients of PTFE bearing A reliable solid-state RF transfer switch MSC-16800 679-10169 02 MSC-16890 679-10454 01 liner ELLIS, W. F. M-FS-19389 679-10111 06 DOLLYHIGH, S. M. Noninterfering support for aerodynamic Isolator/ retainer for connectors DANIELS. C. M., JR. MSC-18527 679-10312 01 Electroplating offers embrittlement models LANG LEY-12441 879-10250 06 ELLISON, J. L protection Guide to remote-sensor data systems M-FS-19330 DONAHOE, T. 879-10140 08 Monitoring fetal pH by telemetry M-FS-25 169 B79-10349 03 DANIELS. K. GSFC-12507 679-10517 05 EPTON, M. A. Screw/stud removal tool DONOHOE, K. C. Advanced-panel pilot code M-FS-22957 679-10553 07 Measuring the thickness of plastic films ARC-1 1278 B79-10255 06 DARLOW, M. S. ARC-11219 679-1009806 ERCEGOVAC. M. Stiffness and damping of elastomeric DOOHER, J. Fault-tolerant computer system 0-rings Soda ash removes sulfur from fuels NPO-14562 B79-10171 02 LEWIS-13079 679-10132 07 GSFC-12403 879-10071 04 ERICKSON, A. C. DAVIS. N. M. DaRNER, J. P. Detecting oxygen in hydrogen or Retainers for threaded parts Resonant-fatigue cracking apparatus hydrogen in oxygen MSC-16198 679-10264 07 LEWIS-13037 879-10520 06 MSC-18380 679-10365 04 DAWE, R. H. DORWARD, R. C. ESCUE, W. T. Use of composites in electric vehicles Stress corrosion in high-strength Mossbauer study of FeSi2 and FeSe thin NPO-14615 679-10226 04 aluminum alloys films DAY, J. L M-FS-23986 679-10372 04 M-FS-25088 879-10371 04 Improved capacitive EKG electrode DOWLER, W. L ESKENAZI, R. MSC-18321 679-10232 05 Improved coal-slurry pipeline Real-time video-image analysis DEAN, P. D. NPO-14425 679-10041 03 NPO-14282 879-10018 02 Measuring acoustic properties of Burn-test apparatus for fiber materials and jet nozzles composites LEWIS-13265 679-10621 06 NPO-14578 679-10109 06 F DEAN, W. T., III DREISBACK, F. R. Strain relief for power-cable connectors Film-advance monitor MSC-19497 679-10310 01 LANGLEY-12474 B79-10119 07 FAY, J. C. DEATON, E. T. DUGGAN. M. F. Compact thermocouple reference for Ensuring flat cuts in longwall mining Attaching strain transducers to fragile vacuum chambers M-FS-23726 679-1011807 materials MSC-19651 679-10389 06 DEAUX, T. N. MSC-16580 B79-10105 06 FEDORS, A. F. Helicopter sling loads DUNBAR, D. N. Self-packaging desiccant LANGLEY-12557 679-10544 06 Model for refining operations NPO-14354 679-10068 04 DELIONBACK, L. M. LEWIS-13047 B79-10293 09 Relating viscosity to polymer Estimating the cost of production DUNN, B. R. concentration stoppage Repairing ceramic insulating tiles NPO-14609 679-10357 04 MFS-23884 679-10149 09 MSC-18368 679-10426 08 Simple estimate of critical volume DELUCA, J. J. Improved table-saw guard NPO-14464 679-10358 04 FEP plug protects H2 masers MSC-19550 879-10551 07 Equilibrium swelling of elastomers in GSFC-12552 679-10494 03 DVORAK, T. C. solvents DEOTSCH, R. C. Plastic film insulates solar cells from NPO-14637 679-10359 04 Adjustable holder for transducer metal substrate FEINSTEIN, S. P. mounting M-FS-25007 879-10145 08 An improved capillary rheometer MSC-18371 679-10535 06 NPO-14501 B79-10366 04 DERR, L. J. FELDMAN, G. H. Group-delay standards Modern programming language NPO-13938 679-10014 01 E NPO-14105 879-10443 09 DESMET, D. J. FELDSTEIN, C. Determination of total surface EASTES, R. W. Trifunctional transducer for myocardial reflectivity CMOS circuit-fabrication handbook monitoring M-FS-25024 679-10100 06 M-FS-25034 679-10148 08 NPO-14329 B79-10518 05

1-38

PERSONAL AUTHOR INDEX GUIDRY, L. I.

FELL D. M. FRENCH, K. R. GILLON, W. A., JR. Thermal seal for high and low Ozone inhibits corrosion in Cooling Long-wearing TFE/metal bearings temperatures towers MSC-15994 B79-10409 07 MSC-16151 879-10413 07 NPO-14340 B79-10362 04 GIN, B. FELLER. A. FRENCH, T. High-acceleration cable deployment Development of CMOS integrated Low cost disposal of MMH ARC-11256 879-1054707 Circuits KSC-11135 879-1050304 GLOVER, J. D. M-FS-25121 B79-10165 01 FRIEDELL M. V. Compact thermocouple reference for FEITNER, W. R. Positive isolation disconnect vacuum chambers CMOS circuit-fabrication handbook MSC-16043 879-10410 07 MSC-19651 879-10389 06 M-FS-25034 B79-10148 08 FRIPP, A. L GOETZ, C. Multilayer metalization of MOS IC's Technique for mounting pyroelectric Quartz ball value M-FS-23541 879-10562 08 detector arrays NPO-14473 B79-10128 07 FERGUSON. J. LANGLEY-12363 679-10425 08 GOLDSTEIN, H. E. Bidirectional Manchester repeater FRISCH. H. P. Fibrous refractory composite insulation MSC-18414 879-10299 01 simulation and stability ARC-11169 879-1022404 FESSLER, T. E. Dynamic Thermodynamic and transport properties analysis GOLDSTEIN, R. of fluids GSFC-12422 B79-10113 06 Splicing single-mode optical fibers LEWIS-13127 B79-10352 03 FRITZ, W. M. NPO-14626 879.10282 08 FEY, M. G. Transparent solar cell module GOLTZ, G. L A reactor for more efficient solar cells NPO-14304 B79-10034 03 Navigation-aid power systems NPO-14381 B79-10074 04 Fixture for assembling solar panels NPO-14466 879-10176 02 FIRNETI, P. J. NPO-14303 B79-10147 08 GOODLOE, R. Solar array manufacturing industry FRYBURG, G. C. A telephone multiline signaling system simulation Flat-flame burner KSC- i 1023 879-10030 02 LEWIS-13161 B79-10218 04 NPO-14747 B79-10435 08 GOODWIN, F. K. FISHER, D. M. High-pressure mass-spectrometric Characteristics of wing/body/tail Accurate determination of work in sampling system configurations three-point bend tests LEWIS-12913 B79-10219 04 ARC-1 1224 879-10254 06 LEWIS-13034 879-10236 06 FUHR, W. Improved displacement measurement in Applying photosensitive emulsions to GORDON. L H. bend testing enamel surfaces Wind-energy storage LEWIS-13035 879-10237 06 MSC-18107 B79-10144 08 LEWIS-13097 879-10500 03 Displacement gage modified for multiple FULLEMANN, J. S. GORENSTEIN, P. measurements Solid-state power controller Sealed high-pressure X-ray detector LEWIS-13036 B79-10238 06 MSC-16661 879-10300 01 GSFC-12519 679-10492 03 FISHER. F. A. GOSS, W. C. Lightning protection for aircraft Splicing single-mode optical fibers LEWIS-12981 879-10392 06 [c NPO-14626 879-10282 08 FITZGERALD, F. C. GOTLIEB, D. Biased-receiver digital interface SKYMAP star catalog MSC-14968 879-10448 01 GADDY. E. M. GSFC-12445 879-10205 03 FLEETWOOD, C. M.. JR. Economical solder connections to thin Fabricating wedge-shaped beam films GOURLEY, D. F. splitters GSFC-12404 B79-10286 08 Tool cuts self-locking joints in plastics GSFC-12348 B79-10326 03 GALLAGHER. B. D. LANG LEY- 12427 879-10275 08 FLEISCHER, C. E. Low-cost production of solar-cell GRAHAM. D. Hinge-connected rigid bodies panels Securing connector pins to a PC board NPO-11964 B79-10116 06 NPO-14453 B79-10432 08 MSC-16059 679-10564 08 FLOWER, D. A. GAMMELL P. GRANT, T. L Microwave measurement of atmospheric Wideband electronics for ultrasonic Microprocessor-controlled receiver pressure tissue characterization ARC-11275 879-10318 02 NPO-14450 B79-10333 03 NPO-14461 B79-10229 05 GREENHOUSE, J. FOGG, L C. GARRARD. G. G. Development of CMOS integrated Flame-resistant textiles Determining resin/fiber content of circuits MSC-18359 B79-10353 04 laminates LANG LEY- 12442 B79-10216 04 M-FS-25121 679-10165 01 FOWLER, T. GARREN, J. F., JR. GRIFFIN, C. R. LANDSAT and water pollution Antenna deployment mechanism M-FS-25099 B79-10151 09 Higher gain for feedback control subject to vibrations GSFC-12331 B79-10121 07 FOX, D. A. LANGLEY-12215 B79-10170 02 GRIFFITH. M. E. Solid-state power controller GAUTHIER. M. K. Improved capacitive EKG electrode MSC-16661 879-10300 01 Solar-cell defect analyzer MSC-18321 679-10232 05 FRANK. H. A. NPO-14476 B79-10379 06 GRILLO, J. Use of composites in electric vehicles GAYLORD, T. K. NPO-14615 879-10226 04 Rapid testing of pulse transformers Optical memories in digital computing MSC-18202 879-10529 06 FRAZER, R. E. M-FS-23897 879-10032 02 Room-temperature bonding of thin GEBBEN. V. D. GRODZKA, P. plastic sheets Bond graph for modeling valves and Separating liquid and gaseous solutions NPO-14346 B79-10138 08 switches M-FS-23368 B79-10506 04 FRECHE, J. C. LEWIS-13177 879-10269 07 GRUNTHANER. F. J. Strength enhancement of prealloyed GELLER, G. Precise wet-chemical etching powder superalloys Measuring coal thickness NPO-14339 B79-10364 04 LEWIS-13173 B79-10221 04 M-FS-23979 B79-10363 04 GUIDRY, L I. FREEMAN, E. T. GILBERT, J. L Redundant structures at elevated Film-advance monitor Mass properties of a rigid Structure temperatures LANGLEY-12474 879-10119 07 LANGLEY-12454 B79-10441 09 MSC-18476 879-10540 06

1-39 HAISLER. W. E. PERSONAL AUTHOR INDEX

H HERMAN N. W. A. HOPKINS, J. B. Fiber-Optic proximity sensor TV audio and video on the same HAISLER. W. E. NPO-14653 B79-10390 06 channel Nonlinear structural analysis HERMESMEVER. C. E. MSC-16241 B79.10017 02 M-FS-25122 B79.10539 06 Stable S-band power amplifier Centering images in split-screen TV HANGER, R. T. NPO-14443 B79-10313 01 display Assembling solar-cell arrays HERRICK. D. E. MSC-18399 B79.10319 02 NPO-14416 B79-10037 03 Screw/stud removal tool HORSEWOOD. J. L HANNA, T. L M-FS-22957 B79-10553 07 Spacecraft trajectory Repairing sealing surfaces on aluminum HERSKIND. R. LEWIS-13248 B79-10546 06 castings Analysis of aperture antenna radiation HOTZ. K. J., JR. M-FS-19455 B79-10573 08 pattern Metallic vibration isolators HANSEN. G. R. MSC-16246 B79-10066 03 M-FS-23949 B79-10129 07 Microprocessor-based interface for HERZIG. H. HOUGH, G. R. oceanography Vapor-deposited graded-thickness films Aerodynamic performance of jet-flap NPO-14566 B79-10173 02 GSFC-11806 879.10143 08 wings HARTOP. R. W. HEYMANN. A. P., SR. ARC-11215 B79-10541 06 Signal separator for dual-frequency Cable-fault locator HOUSEMAN. J. antenna KSC-10899 879-10024 02 Burning crude oil without pollution NPO-14022 879-10021 02 HIBDON, R. A. NPO-14344 B79-10078 04 HASELL P. G., JR. Low-cost boring mill HOUSTON. D. W. Transmitter/ receiver for laser imaging KSC-1 1112 B79-10268 07 Determining resin/fiber Content of MSC-18196 879-10325 03 HIGGINS. S. laminates HASSE. K. R. Analysis of building heating and LANGLEY.12442 879-10216 04 Stress corrosion in high-strength cooling HOVEL H. J. aluminum alloys NPO-14683 B79-10067 03 Lift-off procedure improves pattern M-FS-23986 879-10372 04 HIGGINS, S. N. definition HAUGE. D. S. A flexible data base LANGLEY.12392 B7910287 08 Aircraft mission analysis NPO-13777 679-10438 09 HOWE, R. D. LANGLEY-12299 B79-10112 06 HIGH, W. H. Ozone inhibits Corrosion in cooling HAWKINS. B. J. Centrifugal reciprocating compressor towers Cost analysis of hot-air solar-heating NPO14597 B7910407 07 NPO-14340 679-10362 04 systems HILL J. M. HOWELL B. J. M-FS-25092 B79-10063 03 Multipurpose interactive NASA General optics evaluation program HAWRYLO. F. Z. information system GSFC-12439 B79-10351 03 Germanium-on-lnP MFS23753 B79-10292 09 HOWES, W. L. ure LED HIMMEL, R. P. Overall loudness of steady sounds LANG LEY- 12349 B79-10488 03 Cost savings in LSI fabrication LEWIS-12914 B79-10538 06 Improved thermal-conducting and MFS25079 679-10589 08 HSU, G. C. current-confining film HIXON. C. W. Irradiation pretreatment for coal LANGLEY-i 2350 B79-10489 03 Improved temperature-control garment desulfurization Ohmic contact to p-type indium ARC-1 1239 B79-10227 05 NPO-14104 879-10069 04 phosphide HOELL J. HSU, L LANG LEY- 12351 B79-10490 03 Remote measurement of atmospheric Low-cost, high-performance separator for CdlnP semiconductor alloy pollutants alkaline batteries LANGLEY-12405 879-10491 03 LANGLEY-12277 879-10210 04 LEWIS-12972 B79-10281 08 Scratch encourages selective doping HOFFMAN. D. R. HU, W. LANG LEY- 11590 679-10558 08 Vacuum-and-pressure laminating Binary-to-Manchester encoders HAYNIE, C. C. polymer materials MSC-16546 679-10157 01 Gage for 3-d Contours LEWISi 2721 679-10583 08 HUANG, M. V. MSC-19589 B79-10383 06 HOGENSON, P. A. Self-Calibrating threshold detector for HEAPS. J. D. Distortion-free foamed-plastic parts noisy signals A continuous silicon-coating facility ARC-1 1233 B7910277 08 MSC-16370 879-10009 01 NPO-14373 879-10072 04 HOLDERMAN, L B. HUBER, W. C. HEDGEPETH. J. M. Proposed Josephson voltage standard Balanced-force flow-regulator valve Extendable mast M-FS-23845 679-10482 03 MSC-12731 679-10419 07 LANGLEY-12078 679-10267 07 HOLLAND, R. L HUDGINS, J. L HEIN, L A. Numerical analysis of complex fluid-flow Remote manipulator for IC wafers Lash-free spherical bearing systems M.FS23846 679-10122 07 M-FS-23447 879-10259 07 M-FS-25125 B79-10591 09 HUFF, R. G. High-efficiency wind turbine HOLLIS. B. R., JR. Simple noise suppressor for vented MFS23830 679-10483 03 CMOS circuit-fabrication handbook high-pressure gas HEIR. W. C. M-FS-25034 B79-10148 08 LEWIS-13231 879-10265 07 Evacuated -displacement compression Multilayer metalization of MOS Cs HUGGINS, H. A. molding M-FS-23541 B79-10562 08 Lift-off procedure improves pattern LANG LEY- 12523 879-10584 08 HOLSTROM. R. L definition HELER. W. C. Automatically classifying Earth features LANG LEY- 12392 879-10287 08 Volume-change indicator for molding from orbit HUGHES. R. 0. plastic LANGLEY.12589 679-10493 03 Pointing errors in solar dish collectors LANG LEY- 12280 879-10123 07 NPO-14630 679-10181 03 HELMAN. D. D. HOLT. J. W. HUGHES, W. F. Repairing cracked glass Repairing cracked glass Phase changes in liquid face seals KSC-11097 679-1013408 KSC-11097 879-1013408 LEWIS-12994 B79-10395 06 HELMS, W. R. HOMAN, R. A. HULL R. A. Monitoring harmful gases Reliability of imaging CCD's Mass properties of a rigid structure KSC-11086 679-10211 04 M-FS-25039 679-1001301 L.ANGLEY-12454 B79-10441 09

1-40

PERSONAL AUTHOR INDEX KLUCHER, T. M. HUMPHREY, M. F. JASON, A. J. K Ozone inhibits corrosion in cooling Determination of total surface towers reflectivity KAHLBAUM, W. M. NPO-14340 B79-10362 04 M-FS-25024 879-10100 06 Improved flight-simulator viewing lens HUMPHAIES, T. S. Sensor/ amplifier for weak light sources LANGLEV-12251 879-10044 03 Synthetic seawater as stress-corrosion M-FS-25025 879-10449 01 test medium KAISER, J. A.. JR. M-FS-22706 B79-10523 06 JAYROE, R. R.. JR. Interferometer antenna-array system HURD, W. J. Computer analysis of LANDSAT data GSFC-12365 879-10323 02 Offset compensation for A/D M-FS-25 105 879-10204 03 KAISER, L M. converters JENKINS. R. V. Navigation-aid power systems NPO-13438 B79-10163 01 A thermocouple for hot, oxidizing NPO-14466 879-10176 02 environments KANE, J. 0. LANGLEY-12229 679-10247 06 Flexible heat-and-pressure seal JHABVALA, M. D. MSC-18134 879-10414 07 Monitoring fetal pH by telemetry KATVALA, V. Rotatable fixture for spray coating INGELS, F. M. GSFC-12507 879-10517 05 Viterbi/algebraic hybrid decoder Improved process control for VMOS ARC-11110 679-10274 08 M-FS-25095 B79-10593 09 FET's KAVAVA. M. J. INGLE, W. M. GSFC-12515 879-10563 08 Low-noise spectrophone Quartz ball value JILLIE, D. W. NPO-14362 879-10040 03 NPO-14473 B79-10128 07 Annuity-estimating program KEEFER, A. L New approach to purifying silicon ARC-11139 679-10291 09 Multipurpose interactive NASA NPO-14474 679-10367 04 information system JOHANNSEN, C. J. M-FS-23753 B79-10292 09 INOUVE, L. V. Inexpensive land-use maps extracted Versatile digital signal processor for dc from satellite data KELLERMAN, H. J. to dc converters M-FS-25111 B79-10150 09 Improved metalized polycarbonate LEWIS-13020 879-10158 01 capacitor JOHNS, J. M. M-FS-25142 679-10156 01 IRICK, S. C. Heat-shrinkable film improves adhesive Tool cuts self-locking joints in plastics bonds KELLY, W. L. VI LANGLEY-12427 B79-10275 08 LED display for solo aircraft instrument MSC-18437 879-10429 08 navigation IVANISKO, J. A. JOHNSON. D. L Rotatable microscope stage LANG LEY- 12292 879-10023 02 Reliability of imaging CCD's KENGER. A. MSC-18549 679.10332 03 M-FS-25039 679-10013 01 IZU, V. 0. Fastening hardware to honeycomb Longer shelf life for ceramic slurries Measuring moisture in the atmosphere panels MSC-18543 B79-1051004 M-FS-25032 B79-10110 06 MSC-16752 B79-10142 08 JOHNSON, F. T. KERLEY, J. J., JR. Advanced-panel pilot code Antitheft container for instruments ARC-11278 B79-10255 06 GSFC-12399 679-10103 06 J JOHNSON, J. A. KERN. D. D. Modern programming language Laser alignment of large assemblies JACKSON. A. C. NPO-14105 879-10443 09 MSC-19346 B79-10097 06 Structurally-continuous composite JOHNSON, J. E., JR. KILUK. F. J. corners Coupler for surgery on small animals Welding multiple plies with an electron LANG LEY- 11942 B79-10586 08 ARC-11114 879-1023005 beam M-FS-19428 679-10581 08 JACKSON, C. M., JR. JOHNSON, J. L Noninterfering support for aerodynamic Improved acoustic levitation apparatus KING, A. W. models M-FS-25050 679.10567 08 Separation region on boattail nozzles LANG LEY- 12441 879-10250 06 LANGLEY-12453 679-10422 07 JACKSON, J. T. JOHNSON. N. High-acceleration cable deployment Anthropometric sourcebook Solar power conditioner ARC-1 1256 679-1054707 MSC-18500 B79-10234 05 NPO-14356 679-10035 03 KIRSCHMAN, A. K. JACKSON. R. G. JOHNSON. R. W. Photomask and pattern programs Temporary insulation with polyurethane Marine chlorophyll a analysis NPO-14419 B79-10434 08 foam LANG LEY-12293 679-10048 03 KISSEL R. A. MSC-18298 679-10139 08 JOHNSTON. A. R. Ensuring flat cuts in longwall mining Distortion-free foamed-plastic parts Measuring signal-to-noise ratio M-FS-23726 879-1011807 ARC-11233 879-1027708 automatically KLEINBERG, L JAFFE, L D. NPO-14582 879-10297 01 Inductorless tuned circuit for high Water-cooled insulated steam-injection JOHNSTON. M. H. frequencies wells Composites of immiscible metals GSFC-12410 879-10294 01 NPO-14605 879-10369 04 M-FS-23816 879-10508 04 KLEINE, B. JAFFEE. L D. JONES, M. H. Solar array manufacturing industry Double-wall tubing for oil recovery Deflectometer for precracked charpy and simulation NPO. 14606 B79-10360 04 jic bend tests NPO-14747 679-10435 08 JAIN, A. LEWIS-13090 B79-10386 06 KLICH, P. J. Eliminating clutter in synthetic-aperature JUDSON. C. M. Mass properties of a rigid structure radar A low-cost molecular-leak value LANGLEY-12454 879-10441 09 NPO-14035 879-10019 02 LANGLEY-12249 879-10504 04 KLINE, D. M. JAMESON. A. JULIAN. R. L Characteristics of wing/body/tail Transonic flow past swept wings All-digital QPSK modulator configurations LANGLEY-12446 879-10542 06 MSC-16922 679-10320 02 ARC-11224 B79-10254 06 JAN. L JUNG, G. K. KLUCHER, T. M. Solar power conditioner Inspecting cracks in foam insulation Wraparound-contact solar cells NPO-14356 879-10035 03 M-FS-23799 679-10107 06 LEWIS-13089 679-10001 01

1-41

KOCH, E. F. PERSONAL AUTHOR INDEX

KOCH. E. F. LATSHAW, R. LINA, L J. Bifunctional gas-flow regulator Binary-to-Manchester encoders LED display for solo aircraft instrument NPO-13135 B79-10266 07 MSC-16546 879-10157 01 navigation KOCH, N. G. LAUDENSLAGER, J. B. LANGLEY-12292 879-10023 02 Optical system for multispectral Preionized discharge for LINCOLN, K. A. scanner short-wavelength laser Improved time-of-flight mass MSC-18255 B79-10047 03 NPO-13945 879-10186 03 spectrometer LAUE, E. G. ARC-11090 879-10187 03 KOHL F. J. Measuring transmissivity of solar-cell Flat-flame burner covers LINDENA, S. LEWIS-13161 B79-10218 04 NPO-14638 B79-10485 03 Solar power conditioner High-pressure mass-spectrometric LAWRENCE, J. L. JR. NPO-14356 B79-10035 03 sampling system A low-cost molecular-leak value LIPOMA, P. C. LEWIS-12913 B79-10219 04 LANG LEY- 12249 B79-10504 04 Variable-clock-rate A/D converter KORUS, R. A. LAWSON, B. D. MSC-18541 B79-10309 01 Four-step reaction for polytriazine Single-axle, double-axis solar tracker elastomers M-FS-23267 B79-10177 03 Variable-resolution facsimile system ARC-1 1248 B79-10354 04 LAYMANCE. E. L MSC-18516 879-10476 02 KRAY, W. D. Repairing ceramic insulating tiles LISKAY, G. G. Synthesis of triaryltrifluoroethanes MSC-18368 879-10426 08 Safe bending of boron/aluminum ARC-11097 B79-10217 04 LEAVY, W. A. sheets MSC-19525 B79-10428 08 KRESSEL H. Antenna deployment mechanism Improved degradation resistance of GSFC-12331 879-10121 07 LIU. H. K. (AIGa)As lasers LEDBETTER, F. E., III Triple-exposure holography for materials LANG LEY- 12242 B79-10486 03 Bonding soft rubber or plasticized tests Scratch encourages selective doping elastomers to metal M-FS-25180 879-10519 06 LANG LEY-1 1590 B79-10558 08 M-FS-25181 B79-10582 08 bATS. H.. JR. KROENKE, I. M. LEE. E. H. LANDSAT and water pollution Insulating seal for cryogenic-liquid Controlled metal-film deposition on M-FS-25099 B79-10151 09 transfer alumina substrates ARC-112i4 879-1008004 LOFTIS, C. B., JR. KSC-11105 B79-10415 07 Improved ripple rejection in a PWM KULESZ, P. K. LEGGETT, H. MSC-16923 879-10164 01 Estimating effects of accidental Low absorptance porcelain-on-aluminum propellant explosions coating LOGSTON, H. A. M-FS-23879 879-10077 04 Removable fastener for insulating tiles LEWIS-13247 B79-10252 06 MSC-16483 B79-10124 07 KWONG, H. LEINIGER, D. B. Heat- and chemical-resistant oxdiazole A telephone multiline signaling system LOMBARD, J. elastomers KSC-1 1023 879-10030 02 Inhibiting oxidation of tungsten at high ARC-11253 B79-10355 04 LEISER, D. B. temperatures Fibrous refractory composite insulation M-FS-19347 879-10569 08 ARC-11169 B79-10224 04 LOMBARDI, T. LEMOS, F. K. Development of CMOS integrated L Rugged fast-response temperature circuits probe M-FS-25121 B79-10165 01 LACHOCHI, E. ARC-11289 879-10531 06 Overload protection for switching LENNON, C. L LONG, E. R., JR. regulators Cloud-to-ground lightning detector Thermoluminescence analysis of MSC-18513 B79-10450 01 aerosols KSC-11099 B79-10025 02 LANGLEY-12046 B79-10208 04 LACY, L. L LERMA, G. Containerless high-temperature Temporary insulation with polyurethane LONG, W. C. calorimeter foam Faired instrumentation for aerodynamic M-FS-23923 B79-10086 06 MSC-18298 B79-10139 08 tests LADANY, J. Vacuum-bonded covering withstands low LANGLEY-11201 879-1038506 Improved degradation resistance of temperatures LOTT, D. P. (AIGa)As lasers MSC-16235 B79-10509 04 Transparent solar cell module LANGLEY-12242 879-10486 03 LEVINE, F. E. NPO-14304 B79-10034 03 LAMBERT, L M. Compiler validates units and LOUVIERE, A. J. Fabrication of a pillowed airbag dimensions Anthropometric sourcebook MSC-18455 B79-10424 08 KSC-11054 B79-10437 09 MSC-18500 B79-10234 05 LAMPSON, F. K. LEVY, A. Fatigue properties of columbium alloy Nondestructive pull tester LOVE, R. A. MSC-18256 B79-10225 04 Fan noise-mode structure in a duct MSC-18329 B79-10091 06 LEWIS-13129 B79-10393 06 LAN, C. E. LEWELLEN, T. K. Low-aspect-ratio wings Low-dose total-body-calcium analysis LOVOY, C. V. LANGLEY-12490 879-10399 06 MSC-18282 B79-10233 05 Shear strength of aluminum fillet welds LANSING, F. L. LEWIS. G. W. M-FS-23946 B79-10511 04 Analysis of building heating and cooling Trifunctional transducer for myocardial LUDWIG, A. C. NPO-14683 B79-10067 03 monitoring Dual-frequency microwave antenna Solar-powered jet refrigerator NPO-14329 879-10518 05 NPO-13091 879-10322 02 NPO-14550 B79-10251 06 LICARI, J. J. LUM, H., JR. LAPALME, J. Moisture penetration in microcircuit Video-compression scheme Energy saver for industrial lighting packages ARC-10984 879-10316 02 KSC-11103 879-10388 06 M-FS-25087 879-10315 01 LUTES, G. F., JR. LARSEN, L M. LIKINS, P. W. Voltage-controlled attenuator with low Transmitter/ receiver for laser imaging Hinge-connected rigid bodies phase shift MSC-18196 B79-10325 03 NPO-11964 B79-10116 06 NPO-14347 B79-10301 01

1-42

PERSONAL AUTHOR INDEX MOORHEAD, R. D.

M MCCAIG. J. MILLER, C. G. Arc-termination cracks in inconel 718 Variable-shape solar-energy MACFARLANE, D. I. and incoloy 903 concentrator Checking weld penetration M-FS-25089 879-10588 08 NPO-13736 B79-10038 03 M-FS-19395 879-10093 06 MCCANN, D. H. Liquid/liquid heat exchanger MACGLASHAN, W. F., JR. Electronic pictures from charged-coupled NPO. 14271 B79-10329 03 Zero-leak valve devices Improved optics for an ultracentrifuge NPO-14717 879-10421 07 GSFC-12324 879-10015 02 NPO-13657 879-10375 05 MACK, R. J. MCCLURE, J. C. Sealed-in-quartz resistance heater Wing and leading-edge thrust Composites of immiscible metals NPO-14529 B79-10402 07 LANGLEY-12516 B79-10545 06 M-FS-23816 879.10508 04 MILLER, D. C. MAIO, N. J. MCDONALD, R. C. Performance verification of an air solar Increased fuel-cell cross-pressure limit Fuel gas from biodigestion collector M-FS-25196 879-10484 03 M-FS-25131 B79-10197 03 M . FS-23957 B79-10042 03 MILLER, E. L MAJOR, R. K. MCDOUGAL A. R. Recirculating sprayer for fiber-filled - Solar-cell defect analyzer Controller for a string engine NPO-14476 B79-10379 06 paints NPO-14388 879-10130 07 KSC-11146 879-1055207 MILLER. J. A. Improved piston rings for a stirling Guidance system for a roving vehicle MALETZ, L H. engine NPO-14376 B79-10174 02 Fastener for easy installation and removal NPO-14497 B79-10412 07 MILLER, H. A. of tiles MCKOWN, R. D. Flat-flame burner MSC-16892 879-10276 08 Furnace brazing under partial vacuum LEWIS-13161 879-10218 04 MALLORY, H. M-FS-19363 B79-10137 08 High-pressure mass-spectrometric Onsite testing of pressure sampling Protecting brazing furnaces from air sampling system LANGLEY-12428 879-10526 06 leaks LEWIS-12913 879-10219 04 MANN, F. J. M-FS-19379 879-10574 08 MILLER, W. E. Spacecraft trajectory Thermal jack Photocapacitive infrared detector and LEWIS-13248 879-10546 06 M-FS-19365 879-10579 08 solar cell MANN, J. L MCLYMAN, M. T. LANGLEY-12345 B79-10162 01 Retainers for threaded parts Fixture for winding transformers Improved insulator layer for MIS MSC-16198 879-10264 07 NPO-14146 879-10423 08 devices MARGOLIS, J. S. MCLYMAN, W. T. LANGLEY-12455 879-10302 01 All-electric gas detector Solar power conditioner MINECK, R. E. NPO-14341 B79-10039 03 NPO-14356 Natural modes of helicopter rotor B79-10035 03 blades Low-noise spectrophone Minimizing spikes in switch ing.regulator NPO-14362 879-10040 03 circuits LANGLEY-12501 879-10397 06 Differential spectrophone MINKIN, H. L NPO-14505 879-10303 01 Miniature motor-driven instrument valve NPO. 14599 B79-10182 03 MCSTAY, J. J. MARSHALL H. H. LEWIS-13195 879-10549 07 Cable-fault locator MINNER, G. L Tool cuts self-locking joints in plastics KSC-10899 B79-10024 02 LANGLEY-12427 Annular acoustic liners for turbofan 879-10275 08 MEEKS, H. B. engines MARTIN, J. W. Semiconductor step-stress testing LEWIS-12810 879-10133 07 Rubber valve seal with tough skin M-FS-25329 B79.10455 01 MINTZ, G. H. LANG LEY-1 1776 879-1012507 MEERBAUM, S. Redundant structures at elevated MARTIN, M. Trifunctional transducer for myocardial temperatures Automatic inspection of silicon wafers monitoring MSC-18476 B79-10540 06 M-FS-25124 B79-10384 06 NPO-14329 879-10518 05 MITCHELL H. A. MASERJ IAN. J. MEHHOTRA, S. C. Ultrasonic grating checks electron-beam Measuring charge nonuniformity in MOS Low-aspect-ratio wings welds devices LANGLEY-12490 879-10399 06 M-FS-19422 B79-10094 06 NPO-14585 879-10308 01 MEHTA, R. K. MO. C. MASRELIEZ, C. J. Stiffness and damping of elastomeric Viterbi/algebraic hybrid decoder Redundant system reliability analysis 0-rings M-FS-25095 879-10593 09 LANGLEY-12069 879-10153 09 LEWIS-13079 879-10132 07 MOACANIN, J. MASSEY, H. V. MENDENHALL M. R. Vacuum casting of thick polymeric Cryogenic seal for instrument wires Characteristics of wing/body/tail films MSC-18450 B79-10416 07 configurations NPO-14534 879-10278 08 MATHER, G. H., JR. ARC-11224 879-1025406 MONAGHAN, P. High-performance solar collector MENDIRATrA, R. G. Post-processing flame-retardant for M-FS-25135 879-10178 03 Mossbauer study of FeSi2 and FeSe thin polyurethane MATSUMOTO, Y. films MSC-16307 879-10361 04 Video-compression scheme M-FS-25088 B79-10371 04 MOON, S. ARC-10984 B79-10316 02 MEREDITH, B. D. Soda ash removes sulfur from fuels Microprocessor-controlled receiver LED display for solo aircraft instrument GSFC-12403 B79-10071 04 ARC-11275 879-10318 02 navigation MOONEY, V. MAY, H. S. LANGLEY-12292 879-10023 02 Artificial limb connector Measuring resistance or conductance of MERRIAM, A. KSC-11069 879-1008305 insulators Development of CMOS integrated MOORE, B. C. MSC-18132 879-10096 06 circuits Degassing procedure for ultrahigh Crimped thermocouple connections M-FS.25121 879-10165 01 vacuum MSC-18489 879-10561 08 MEYER, T. N. M-FS-25103 879-10188 03 MAYER, L Silicon tetrachloride spray feeder MOORHEAD, R. D. Modified polymers for gas NPO-14382 B79-10073 04 Controlled metal-film deposition on chromatography A reactor for more efficient solar cells alumina substrates ARC-11154 B79-10215 04 NPO-14381 879-10074 04 ARC-11214 879-1008004

1-43 MORIARTY. J. A. PERSONAL AUTHOR INDEX

MORIARTY, J. A. NELP. W. B. OWENS, J. N. Photocapacitive infrared detector and Low-dose total-body-calcium analysis Limiting amplifier for microwaves solar cell MSC-18282 879-10233 05 MSC-18471 879-10314 01 LANG LEY- 12345 B79-10162 01 NELSON, E. E. OWENS, L J. MORRISON, S. Synthetic seawater as stress-corrosion Artificial limb connector Low-common-mode differential test medium KSC-11069 B79-10083 05 amplifier M-FS-22706 679-10523 06 OZGA, S. MSC-18201 B79-10298 01 NEWSOM, J. R. Development of CIVICS integrated MOSELEY, P. K. Programing techniques for CDC circuits Estimating effects of accidental equipment M-FS-25121 679-10165 01 propellant explosions LANGLEY-12486 879-10289 09 LEWIS-13247 B79-10252 06 NICHOLS, C. D. MOULE, W. N. Bubble-domain detector Low-backlobe microwave transmitting LANGLEY-12241 B79-10306 01 P horn NICHOLS, F. W. NPO-14077 B79-10003 01 Assembling solar-cell arrays PACALA, T. J. NPO-14416 679-10037 03 MOUNT, S. Preionized discharge for Diazo techniques for remote sensor data NICOLAS, D. P. short-wavelength laser analysis Removing overcoatings from NPO-13945 B79-10186 03 M-FS-251 10 B79-10246 06 microcircuits PAINE. G. M-FS-23851 B79-10285 08 Transducer with a sense of touch MOWERS, R. E. NIESSEN, F. R. NPO-14656 B79-10161 01 High-temperature insulation Higher gain for feedback control subject M . FS-19498 B79-10370 04 PARKER, J. C. to vibrations Development of nonmetallic solar MOVERS, C. V. LANG LEY- 12215 679-10170 02 Continuous sterilization of plumbing collector and solar-powered pump NISEN, D. B. M-FS-25 143 B79-10200 03 systems Containerless high-temperature KSC-11085 B79-10079 04 calorimeter Final report on the concentric-tube solar MOYNAHAN. M. 879-10086 06 collector M-FS-23923 M-FS-25188 679-10342 03 Inhibiting oxidation of tungsten at high NOLA, F. J. temperatures Fast-response power saver for induction Concentrating solar collector - final M-FS-19347 B79-10569 08 motors design MOYNIHAN, P. I. M-FS-23988 679-10004 01 M-FS-25186 679-10347 03 Fluidized coal combustion NOTO, H. PARKER, H. D. NPO-14273 B79-10070 04 Development of CMOS integrated High-energy-density cylindrical MUNN, D. M. Circuits capacitors Measuring insulation thickness M-FS-25121 679-10165 01 LEWIS-12999 879-10283 08 M-FS-23798 B79-10108 06 High-energy-density flat flexible MURPHY, J. P. capacitors High-acceleration cable deployment IC LEWIS-13000 879-10284 08 ARC-11256 879-1054707 PARR, A. C. MURRISH, C. Determination of total surface Electrical indication of airflow rate OBLER. H. D. reflectivity M-FS-23873 B79-10090 06 No-reheat air-conditioning M . FS-25024 679-10100 06 GSFC-12191 B79-10330 03 MUSKA, W. D. Sensor/amplifier for weak light sources Low-EMI solid-state relay OKAMOTO, G. M-FS-25025 679-10449 01 MSC-12698 B79-10446 01 Fabrication of a pillowed airbag MYERS, W. N. MSC-18455 879-10424 08 PARR, R. A. OLMORE, A. B. Composites of immiscible metals Lash-free spherical bearing M-FS-23816 679-10508 04 M-FS-23447 B79-10259 07 A plasma-sprayed valve coating High-efficiency wind turbine M-FS-19494 B79-10568 08 PARR, V. B. M-FS-23830 879-10483 03 OLSEN, G. H. Estimating effects of accidental Improved vapor-growth technique for propellant explosions Ill-V compound lasers LEWIS-13247 679-10252 06 LANGLEY-12255 B79-10487 03 PARRISH, R. V. N OLSSON, D. L A closed-loop control-loading system Low-cost, lightweight RF transfer LANGLEY-12167 679-10029 02 NAGANO, S. switch PARTHASARATHY, S. P. Reliable inverter systems MSC-16907 879-10453 01 Acoustical measurement separates core NPO-14163 B79-10026 02 noise and jet noise OMALLEY, T. A. NPO-14698 B79-10525 06 NAKANO. H. N. Coupled-cavity traveling-wave tubes Characterizing glass frits for slurries LEWIS-12861 B79-10396 06 PATCH, R. W. MSC-18322 B79-10101 06 Centroids, moments, and radii of NANELLI, P. ORAN, W. A. gyration Water-soluble fluorocarbon coating Improved acoustic levitation apparatus LEWIS-12765 679-1011706 MSC-16562 B79-10212 04 M-FS-25050 879-10567 08 PECKHAM, G. E. NANNELLI, P ORDIN, P. M. Microwave measurement of atmospheric Water-based intumescent paint Estimating effects of accidental pressure MSC-16609 879-10213 04 propellant explosions NPO-14450 679-10333 03 NATHAN. R. LEWIS-13247 679-10252 06 PERKINS. G. S. High-resolution echocardiography ORELLA, S. Controlling a wide range of flow rates NPO-14349 679-10081 05 Plug and drill template NPO-14312 679-10249 06 NEARY, J. K. MSC-16748 679-10120 07 PERKINS. K. L Testing panels in shear and biaxial OTOSHI, T. V. Moisture penetration in microcircuit compression Group-delay standards packages MSC-16132 679-10241 06 NPO-13938 879-10014 01 M-FS-25087 679-10315 01

1-44

PERSONAL AUTHOR INDEX ROGOWSKI, R. S.

PERRY, J. C. POSHKUS, A. C. REILLY, T. H. Simpler cabling and power link for remote Synthesis of 2.4.8. 10-tetroxaspiro (5.5) Microcomputer helps evaluate skin readouts undecane burns GSFC-12411 B79-10028 02 ARC-11243 679-1035604 NPO-14402 879-10082 05 PERRY, M. Improved synthesis of polyformals REINHARDT, V. S. Nondestructive weld test by holography ARC-11244 B79-10505 04 FEP plug protects H2 masers M-FS-23826 B79-10245 06 POTTER, P. D. GSFC-12552 879-10494 03 PERRY, M. G. Dual-frequency microwave antenna REISS, D. A. Digital phase shifter Improved acoustic levitation apparatus LANGLEY-12338 B79-10159 01 NPO-13091 879-10322 02 POWERS, W. T. M-FS-25050 679-10567 08 PESSIN, R. RENNELS, D. A. A tool for installation and removal of Obtaining an electrical output from a mechanical flowmeter Fault-tolerant computer system cylindrical baffles NPO-14562 879-10171 02 M-FS-19508 B79-10554 07 M-FS-23958 679-10087 06 RESWICK, J. B. PETERSON, A. C. Differential oil flowmeter Artificial limb connector High-temperature insulation M-FS-23959 879-10088 06 KSC-11069 679-1008305 M-FS-19498 B79-10370 04 PRESZ, W. M.. JR. PHILLIPP, W. H. RHODES, D. B. Separation region on boattail nozzles Projection optics for a laser velocimeter Low-cost, high-performance separator for LANG LEY- 12453 879-10422 07 alkaline batteries LANGLEY-12328 879-10045 03 LEWIS-12972 B79-10281 08 PRIMUS, H. C. RICCITIELLO, S. R. PHILLIPS, H. P. Fiber-optic proximity sensor Self-curing polyimide foam Precision leveling of large machinery NPO-14653 879-10390 06 ARC-1117O 879-1050704 NPO-13257 679-10131 07 PRYOR, R. RICE, E. J. PHOL J. H. Development of CMOS integrated Annular acoustic liners for turbofan Variable-shape solar-energy circuits engines concentrator M-FS-25121 679-10165 01 LEWIS-12810 879-10133 07 NPO-13736 879-10038 03 PUTNAM, D. F. RICE, R. F. PICKETI, F. P. Improved microbial-check-valve resins Comparing data transmission systems A low-cost molecular-leak value MSC-18377 679-10376 05 NPO-14642 679-10290 09 LANGLEY-12249 879-10504 04 RICE, S. H. PICKETI, G. F. Fabricating wedge-shaped beam Fan noise-mode structure in a duct splitters LEWIS-13129 B79-10393 06 Eel GSFC-12348 B79-10326 03 PIERCE, W. S. RICKER, R. E. Resonant-fatigue cracking apparatus QUINN. J. D. Estimating effects of accidental LEWIS-13037 679-10520 06 Burn-test apparatus for fiber propellant explosions PILLAI, P. K. C. composites LEWIS-13247 679-10252 06 Production of large-area electrets NPO-14578 679-10109 06 M-FS-23186 B79-10049 03 RILEY. T. J. PIVIROTTO, D. L Vacuum-and-pressure laminating Solar energy for industrial process heat polymer materials NPO-14498 B79-10064 03 LEWIS-12721 879-10583 08 PLATT, R. J., JR. ROBELEN, D. B. Improved flaw-detection method RACETTE, G. W. Parachute deploy! Release mechanism LANGLEY-11866 B79-10378 06 Silicon source for vacuum deposition LANG LEY-11575 B79-10126 07 PLUMBLEE, H. E. LANG LEY- 12356 679-10076 04 ROBERTS. E., JR. Measuring acoustic properties of RAMOHALLI, K. N. Improvement of CAT scanned images materials and jet nozzles Burn-test apparatus for fiber LEWIS-13276 679-10374 05 LEWIS-13265 B79-10521 06 composites ROBERTSON, J. B. PLUMER, J. A. NPO-14578 879-10109 06 Technique for mounting pyroelectric Lightning protection for aircraft RAMONDETrA, P. detector arrays LEWIS-12981 B79-10392 06 Development of CMOS integrated LANG LEY- 12363 879-10425 08 POLYHEMUS, J. T. circuits ROBINSON. D. M. Low-frequency attenuator circuit M-FS-25121 679-10165 01 Optically coupling tunable diode lasers FRC-11012 879-1001001 CMOS/SOS processing LANGLEY-12438 679-10043 03 POORMAN, R. M-FS-25176 879-10431 08 Lens window simplifies TDL housing Arc-termination cracks in inconel 718 RAYFIELD, M. J. LANGLEY-12437 B79-10183 03 and incoloy 903 Real-time video-image analysis M-FS-25089 B79-10588 08 NPO-14282 B79-10018 02 ROBINSON. M. B. POPE, D. L READ, G. R. Containerless high-temperature Detector verifier for circuit analyzers Interleaved Shielding for cables calorimeter MSC-19669 679-10530 06 MSC-18369 B79-10311 01 M-FS-23923 679-10086 06 POPPA, H. REDMERSKI, R. E. ROBINSON. R. Controlled metal-film deposition on Improved switch-resistor packaging Measuring coal thickness alumina substrates MSC-19531 B79-10565 08 M-FS-23979 679-10363 04 ARC-11214 B79-1008004 REED, M. W. ROBINSON. T. A. PORADEK, J. C. Strong, corrosion-resistant aluminum Fader and ramp shaper replace linear Simultaneous stack-gas scrubbing and tubing filters waste water treatment MSC-18040 B79.10417 07 MSC-16115 B79-10031 02 MSC-16258 679-10502 04 Heat-shrinkable film improves adhesive ROGERS, J. R., III PORTER, E. bonds Binary synchronous simulator Rotatable fixture for spray coating MSC-18437 879-10429 08 KSC-1 1096 B79-10479 02 ARC-1111O 879-1027408 REID. W. L ROGOWSKI, R. S. PORTNOX, W. M. Cost-reduction analysis for a Thermoluminescence analysis of Improved capacitive EKG electrode solar-heating system aerosols MSC-18321 879-10232 05 M-FS-25152 879-10202 03 LANG LEY- 12046 679-10208 04

1-45 ROMAKER, R. F. PERSONAL AUTHOR INDEX

ROMAKER, R. F. SALIKUDDIN, M. SHALHOUB, I. M. Performance verification of an air solar Measuring acoustic properties of Heat- and chemical-resistant oxdiazole collector materials and jet nozzles elastomers M-FS-25131 679-10197 03 LEWIS-13265 679-10521 06 ARC-11253 B79-10355 04 ROOK, C. W. SALMASSY, S. SHANNON, J. L. JR. Components for an S-band Cost savings in LSI fabrication Resonant-fatigue cracking apparatus communication subsystem M-FS-25079 B79-10589 08 LEWIS-13037 679-10520 06 NPO-13955 B79-10022 02 SANCHEZ, L E. SHANNON, R. E. Low-cost production solar-cell ROSE. W. C. of Cost-reduction analysis for a Rugged fast-response temperature panels solar-heating system probe NPO-14453 879-10432 08 M-FS-25152 679-10202 03 ARC-11289 679-10531 06 SANDERS, D. R. SHAUGHNESSY, J. D. Multipurpose interactive NASA Helicopter sling loads ROSENDAAL H. L information system LANGLEY-12557 879-10544 06 Aircraft mission analysis M-FS-23753 679-10292 09 LANG LEY- 12299 B79-10112 06 SHAW, D. S. SAPIRSTEIN, R. L Noninterfering support for aerodynamic ROSSER, R. W. Improving low-illumination video models Synthesis of triaryltrifluoroethanes MSC-14841 879-10016 02 LANGLEY-12441 879-10250 06 ARC-11097 B79-10217 04 SAUERS. 0. G. SHEIBLEY, D. W. Four-step reaction for polytriazine Water-based intumescent paint MSC-16609 879-10213 04 Low-cost, high-performance separator for elastomers alkaline batteries ARC-11248 B79-10354 04 SAWKO, P. M. LEWIS-12972 B79-10281 08 Heat- and chemical-resistant oxdiazole Self-curing polyimide foam ARC-1117O 679-10507 04 SHEPPARD, A. T. elastomers Electromagnetic bonding of plastics to ARC-11253 B79-10355 04 SAYRE, E. aluminum ROTHERMEL L Analysis of aperture antenna radiation M-FS-25083 B79-10585 08 Screw/stud removal tool pattern MSC-16246 B79-10066 03 SHER, A. M-FS-22957 B79-10553 07 Photocapacitive infrared detector and ROUTH. D. E. SCHAPPELL R. T. solar cell CMOS circuit-fabrication handbook Automatically classifying Earth features LANGLEY-12345 B79-10162 01 M-FS-25034 B79-10148 08 from orbit LANGLEY-12589 879-10493 03 SHERMAN, W. L Multilayer metalization of MOS IC's Airplane stability programs for pocket M-FS-23541 B79-10562 08 SCHARTON. T. D. calculators All-metal muffler for ducts LANGLEY-12479 879-10248 06 ROWAN, B. F. ARC-11159 879-1026207 Controlling subsynchronous whirl in SHIMANSKY, R. A. turbopumps SCHEIMAN, J. Safety shield for M-FS-19423 879-10533 06 Improved split-film vector anomometer vacuum/pressure-chamber windows ROWLAND, C. W. LANGLEY-12391 B79-10240 06 GSFC-12513 879-10391 06 Optically coupling tunable diode lasers SCHIESS, J. R. SHIVERS, E. LANG LEY- 12438 B79-10043 03 Unresolved Mossbauer hyperfine Production of large-area electrets Lens window simplifies TDL housing spectra B79-10049 03 LANG LEY- 12439 B79-10513 04 M-FS-23 186 LANGLEY-12437 B79-10183 03 SHUMKA. A. RUBIN, A. L SCHROEDER. P. M. Solar-cell defect analyzer Real-time digital integrator Improved wrap-curtain seal MSC-16647 B79-10420 07 NPO-14476 B79-10379 06 NPO-14530 679-10447 01 SIDMAN, K. R. RUBIN, 0. SCHUMACHER, C. A. Post-processing flame-retardant for Generalized plotting and contouring 'Three-dimensional' vibration fixture polyurethane package MSC-16305 679-10528 06 MSC-16307 B79-10361 04 GSFC-12367 679-10592 09 SCOTT-MONCK, J. SILBERT, L RUDMANN, A. A. Wraparound-contact solar cells Electromagnetic bonding of plastics to Coupler for remote manipulators LEWIS-13089 B79.10001 01 aluminum GSFC-12429 879-10406 07 SCOTT. D. R. M-FS-25083 B79-10585 08 RUFF, P. E. Sun tracker for clear or cloudy weather SIMINSKI, Z. Engineering properties of lncoloy-903 M-FS-23999 879-10036 03 Vacuum-bonded covering withstands low and CTX-1 SEALS, R. K. temperatures M-FS-23359 879-10512 04 Remote measurement of atmospheric MSC-16235 879-10509 04 RUPPE, E. P. pollutants SIMONDS, R. A. A simple self-sealing plug LANGLEY-12277 879-10210 04 Crack-opening displacement transducer MSC-19635 B79-10548 07 SEITZ, R. N. LANG LEY- 12485 B79-10381 06 Electrodeposition process reduces cost Multipurpose interactive NASA SIMPSON, J. G. of cold plates information system Lightweight, economical solar MSC-19524 679-10570 08 M-FS-23753 B79-10292 09 concentrator RUTECKI, D. J. SELIK. S. M-FS-23727 879-10180 03 Silicon source for vacuum deposition Torque-wrench extender for SINELLI, M. C. LANGLEY-12356 879-10076 04 hard-to-reach fasteners Surge protection with automatic reset MSC-18488 679-10404 07 RYAN. W. MSC-18356 B79-10305 01 Monitoring fetal pH by telemetry SELZER, R. H. SINGH, J. J. GSFC-12507 B79-10517 05 Computer measurement of arterial Nuclear electro-optic power disease LANGLEY-12496 679-10481 03 NPO-14266 679-10377 05 Unresolved Mossbauer hyperfine SENSENBAUGH, N. D. spectra S Simplified installation of thrust bearings LANGLEY-12439 B79-10513 04 M-FS-19473 B79-10555 07 SINTON, D. S. SABLE. B. A. SERAFINI, T. T. Modular solar-heating system - design Analog actuator-piston memory Heated tool for autoclaves package MSC-12697 879-10317 02 LEWIS-12987 879-10411 07 M-FS-25130 679-10195 03

1-46

PERSONAL AUTHOR INDEX TOOTS, J.

SIVERTSON, W. E., JR. ST. CLAIR. T. L SWARTZ, P. F. Monitoring disaster areas via satellites High-temperature adhesives for Coupler for surgery on small animals LANGLEY-12344 B79-10027 02 polyimide films ARC-1 1114 B79-10230 05 SLEMP, W. S. LANG LEY-12348 879-10214 04 High-temperature adhesives for ST.CYR, R. H., III polyimide films Binary-to-Manchester encoders T LANGLEY-12348 B79-10214 04 MSC-16546 B79-10157 01 SLINEY, H. E. STACK, S. H. TANABE, T. M. Composite bearing liners have service Arbitrary aircraft-geometry generator Longer shelf life for ceramic slurries temperature of 600 F LANGLEY-12515 B79-10256 06 MSC-18543 879-10510 04 LEWIS-13277 B79.10261 07 STANTON. P. H. TAUFER, T. J. SLUSSER, R. A. Improved isolation in double-balanced An improved welding-arc starter Electric-car simulation mixers MSC-17415 B79-10575 08 NPO-14570 B79-10394 06 NPO-14415 B79-10012 01 TAYLOR, G. R. SMALL W. J. STEIN, J. A. Identification of micro-organisms Arbitrary aircraft-geometry generator Torque-wrench extender for MSC-18358 B79-10085 05 LANGLEY-12515 B79-10256 06 hard-to-reach fasteners TAYLOR. H. SMALLEY, J. MSC-18488 B79-10404 07 Real-time digital integrator Stiffness and damping of elastomeric STEPHENS, J. B. NPO-14530 879-10447 01 0-rings Improved optics for an ultracentrifuge TEMPLE, H. E. LEWIS-13079 B79-10132 07 NPO-13657 879-10375 05 Improved inverted Stepanov apparatus SMISER, L. V. Sealed-in-quartz resistance heater NPO-14297 B79-10223 04 Repairing cracked glass NPO-14529 879-10402 07 TENNEY, D. R. KSC-11097 B79-1013408 STERMER, R. L. Temperature and moisture analysis in SMITH, A. Bubble-domain detector composites Development of CMOS integrated LANGLEY-12241 879-10306 01 LANGLEY-12452 B79-10373 04 circuits STERNS, C. A. Single-, two-, and three-phase M-FS-25121 B79-10165 01 Flat-flame burner binary-alloy systems SMITH. J. H. LEWIS-13161 B79-10218 04 LANG LEY- 12381 879-10514 04 Solar insolation model High-pressure mass-spectrometric THEAKSTON. H. NPO-14787 B79-10350 03 sampling system Extra-strong 'floating nut' SMITH, M. LEWIS-12913 879-10219 04 MSC-16938 B79-10270 07 Fibrous refractory composite insulation STETIER, J. R. THEALL C. E. ARC-11169 879-1022404 Monitoring harmful gases Rise-time control in saturated amplifiers Rotatable fixture for spray coating KSC-11086 B79-10211 04 MSC-14934 B79-10452 01 ARC-1111O 879-1027408 STEWART, R. D. THOMAS, J. J. SMITH, T. Cost analysis of hot-air solar-heating Low cost disposal of MMH Peel testing metalized films systems KSC-11135 B79-10503 04 NPO-14672 B79.10382 06 M . FS-25092 B79-10063 03 THOMAS. R. F. SODERMAN, P. T. STIMPSON. L D. Dual hybrid mode feed horn All-metal muffler for ducts Double-wall tubing for oil recovery NPO-13594 879-10168 02 ARC-11159 879-1026207 NPO-14606 879-10360 04 THOMPSON, S. W. SOLARIO, J. N. STOKES, R. C. New approach to purifying silicon Solar power conditioner Optical system for multispectral NPO-14474 B79-10367 04 NPO-14356 879-10035 03 scanner THORNHILL J. W. Direct-current drive for ac motors MSC-18255 879-10047 03 Wraparound-contact solar cells NPO-14427 B79-10296 01 STOLLER, F. W. LEWIS-13089 879-10001 01 SORENSEN. V. L Analysis of building heating and THORNTON, W. E. Flow fields in supersonic inlets cooling Anthropometric sourcebook ARC-11098 879-1025306 NPO-14683 B79-10067 03 MSC-18500 879-10234 05 SOWADA, D. J. STORAASLI, 0. 0. THU LSON. M. D. Computation-saving digital filter Minicomputer version of SPAR Removable fastener for large structures MSC-18057 B79.10154 01 LANGLEY-12370 B79-10115 06 M-FS-23990 B79-10127 07 SPALVINS. T. STOTTS, L J. TIETZ, J. C. RF-sputtered and ion-plated solid Improved capacitive EKG electrode Automatically classifying Earth features lubricants MSC-18321 879-10232 05 from orbit LEWIS. 13147 B79-10433 08 STRAIN, 0. M. LANGLEY-12589 879-10493 03 Analysis of building heating and SPARKS, R. H. TIFFANY, S. H. cooling Programing techniques for CDC Extra-safe tractor-trailer coupling NPO-14683 B79-10067 03 FRC-10081 879-10258 07 equipment STRING HAM. R. S. LANGLEY-12486 879-10289 09 SPEARS, F. S. Flame-resistant textiles TITTMANN, B. R. Graphite/epoxy-tape test specimens MSC-18359 B79-10353 04 High-temperature high-pressure MSC-18495 879-10527 06 STUHLBARG, S. M. magnetic pickup SPENCER. R. Cost savings in LSI fabrication MSC-18389 B79-10532 06 Safety shield for M-FS-25079 B79-10589 08 TOMPKINS, S. S. vacuum/pressure-chamber windows STUMP, C. W. Temperature and moisture analysis in GSFC-12513 879-10391 06 Film-advance monitor composites SPENCER, R. S. LANGLEY-12474 879-1011907 LANGLEY-12452 B79-10373 04 Vapor-deposited graded-thickness films SUMMERS, D. TOOLE, P. C. GSFC-11806 879-1014308 Measuring coal thickness A telephone multiline signaling system ST. CLAIR, A. K. M-FS-23979 879-10363 04 KSC-11023 B79-10030 02 High-temperature adhesives for SUMRALL W. D. TOOTS, J. polyimide films Test-configuration identifiers Proposed Josephson voltage standard LANGLEY-12348 879-10214 04 KSC-11087 879-10102 06 M-FS-23845 879-10482 03

1-47 TORBORG. C. J. PERSONAL AUTHOR INDEX

TORBORG, C. J. V WEAVER, J. E. Push test for switch welds Focusing laser scanner M-FS-25027 B79-10092 06 VAHEY, D. W. M-FS-25102 879-10184 03 TOY, M. S. Optical comparator uses holographic WEAVER. 0. Flame-resistant textiles subtraction Production of large-area electrets MSC-18359 B79-10353 04 LANGLEY-12126 B79-10590 09 M-FS-23186 879-10049 03 VANDERPOOL R. WEBER, W. J., III TRE1T, W. J. Stitch-bond parallel-gap welding for IC Decision-directed automatic gain Measuring the permittivity of gases and circuits control aerosols MSC-16459 879-10560 08 NPO-13639 879-10008 01 KSC-11090 879-1023906 VANHAMERSVELD, J. A. WEINER. H. TROUSDALE, J. E. Structurally-continuous composite Navigation-aid power systems Analysis of aperture antenna radiation corners NPO-14466 879-10176 02 pattern LANG LEY- 11942 879-10586 08 WELLER, W. H. MSC-16246 679-10066 03 VANUCCI, R. D. Natural modes of helicopter rotor Heated tool for autoclaves blades TRUBERT, M. R. LEWIS-12987 B79-10411 07 879-10397 06 Accurate measurements of mass and LANGLEV-12501 VARGAS, L M. WELLS, R. A. center of mass Estimating effects of accidental NPO-14428 B79-10095 06 Fan noise-mode structure in a duct propellant explosions LEWIS-13129 879-10393 06 TRYON, J. R. LEWIS-13247 B79-10252 06 WESTINE, P. S. Fixture for limited-access welding VARSI, G. Estimating effects of accidental MSC-16698 879-10135 08 Instrument for aerosol characterization propellant explosions NPO-14320 679-10209 04 TSUO, Y. H. LEWIS-13247 879-10252 06 Photocapacitive infrared detector and VERBER, C. M. WHITCOMB, J. D. Optical comparator uses holographic Analysis of fatigue damage in solar cell subtraction LANGLEY-12345 B79-10162 01 composites LANGLEY-12126 B79-10590 09 LANG LEY- 12431 879-10220 04 TULPPO, J. S. VICIK, F. WHITE, M. Revised adage graphics computer Field-flattener lens Electronic pictures from charged-coupled system MSC-18373 B79-10327 03 devices LANGLEY-12492 879-10436 09 VILLELLA, F. GSFC-12324 679-10015 02 TUNNAH, B. G. Removing overcoatings from WHITE, P. R. Model for refining operations microcircuits Sun tracker for clear or cloudy weather LEWIS-13047 679-10293 09 M . FS-23851 B79-10285 08 M-FS-23999 679-10036 03 Semiconductor step-stress testing WHITE, W. T. TURLINGTON, T. R. M-FS.25329 679.10455 01 Temperature controller for crystal Bonding soft rubber or plasticized VONROOS, 0. elastomers to metal resonators Theory of back-surface-field solar cells NPO-14507 679-10295 01 M-FS-25181 B79-10582 08 NPO-14451 679-10050 03 WHITEBAY, L E. TURLY, A. P. VORREITER, J. W. Diazo techniques for remote sensor data Electronic pictures from charged-coupled Cryogenic-container suspension strap analysis devices ARC-11157 679-1026007 M-FS-25110 679-1024606 GSFC-12324 879-10015 02 WIESEWMAIER, B. L TUULE, J. Design review of a liquid solar collector Stitch-bond parallel-gap welding for IC Ink M-FS-25140 B79-10199 03 circuits WILKES, R. MSC-16459 879-10560 08 WALKER, G. L Securing connector pins to a PC board TYLER. J. Eye-controlled switch MSC-16059 879-10564 08 Measuring coal thickness M-FS-25091 879-10084 05 WILKINS, J. R. M-FS-23979 B79-10363 04 WALKER, R. R. Platinum electrodes for electrochemical Dynamic-pressure regulator detection of bacteria TYREE, V. C. LANGLEY-12462 679-10228 05 Azimuth correlator design for IC chip MSC-18415 879-10418 07 NPO-14614 B79-10451 01 WALLENHORST, E. L. Cinemicrographic specimen housing Flexible sliding seal LANGLEY-12047 B79-10231 05 MSC-18467 679-10550 07 Indirect microbial detection WALLIS, D. E. LANGLEY-12520 B79-10515 05 U Real-time digital integrator WILLIAMS. M. L NPO-14530 B79-10447 01 Faired instrumentation for aerodynamic tests UDLOCK, D. E. WARREN, C. LANG LEY- 11201 B79-10385 06 Burn-test apparatus for fiber Energy saver for industrial lighting WILSON, D. D. composites KSC-11103 B79-10388 06 Reliability of imaging CCDs NPO-14578 879-10109 06 WATERS, W. J. M-FS-25039 879-10013 01 Strength enhancement of prealloyed ULRICH, R. L WING, L D. powder superalloys Automatic thermal switch Improved lnSb photodiode preamplifier LEWIS-13173 879-10221 04 circuit GSFC-12415 679-10400 07 NPO. 14418 679-10007 01 WATSON. R. L WINTERS, W. E. A flexible data base Heated tool for autoclaves UNNAM, J. NPO-13777 679-10438 09 LEWIS-12987 B79-10411 07 Temperature and moisture analysis in WEATHERS, H. M. WISE, T. E. composites Rankine-cycle solar-cooling systems Efficient dichroic plate for microwaves LANGLEY-12452 679-10373 04 M-FS-25094 879-10051 03 GSFC-12171 679-10002 01 UZDY, Z. WEAVER, B. G. WISNEWSKI, J. P. Digital automatic gain control Eye-controlled switch All-glass solar collector NPO-14236 679-10304 01 M-FS-25091 679.10084 05 M-FS-23870 879-10334 03

1-48

PERSONAL AUTHOR INDEX ZORNS, J.

WOELLER. F. H. YOUNG, D. L Modified polymers for gas Fluidized coal combustion chromatography NPO-14273 879-10070 04 ARC-11154 B79-10215 04 YOUNG, V. F. WOLF, C. B. Reliability of imaging CCD's Silicon tetrachloride spray feeder M-FS-25039 679-10013 01 NPO-14382 879-10073 04 VU, I. P. A reactor for more efficient solar cells Low-profile communications antenna NPO-14381 B79-10074 04 MSC-16683 B79-10321 02 WOLVERTON, B. C. VU, V. Fuel gas from biodigestion Versatile digital signal processor for dc M-FS-23957 B79-10042 03 to dc converters WOO, K. E. LEWIS-13020 B79-10158 01 Limited scan dual-band high-gain antenna NPO-14038 B79-10167 02 z WOOTERS, R. L Detector verifier for circuit analyzers ZALOGUEV. S. N. MSC-19669 879-10530 06 Identification of micro-organisms WORK, E. A. MSC-18358 879-10085 05 Transmitter/ receiver for laser imaging ZAMANI, N. MSC-18196 B79-10325 03 Measuring charge nonuniformity in MOS WORKMAN, G. L devices Thermographic inspection of welded NPO-14585 879-10308 01 contacts ZAMEROWSKI, T. J. M-FS-25093 679-10244 06 Improved vapor-growth technique for Ill-V compound lasers Nondestructive weld test by holography LANGLEY-12255 B79-10487 03 M-FS-23826 679-10245 06 ZEBUS, P. P. WRIGHT. D. Improved table-saw guard Soda ash removes sulfur from fuels MSC-19550 879-10551 07 GSFC. 12403 B79-10071 04 ZELIK, J. A. WRIGHT. E. E., JR. High-energy-density cylindrical Continuous sterilization of plumbing capacitors systems LEWIS-12999 679-10283 08 KSC-11085 879.1007904 High-energy-density flat flexible WU, C. capacitors Azimuth correlator design for IC chip LEWIS-13000 879-10284 08 NPO-14614 B79-10451 01 ZEME NICK. C. J. WU, T. T. Stress-relieved solder joints Improved reader for MSC-14981 679-10556 08 magnetically-encoded ID cards ZLATKIS, A. NPO-13517 679-10160 01 Extracting trace substances from WYDEVEN, T., JR. biological fluids Measuring the thickness of plastic films MSC-18522 B79-10516 05 ARC-11219 879-10098 06 ZOOK, D. J. Improved silicon/carbon interface for solar cells NPO-14421 879-10155 01 V ZORNS, J. Securing connector pins to a PC board VAKIMOVSKY, V. MSC-16059 B79-10564 08 Real-time video-image analysis NPO-14282 B79-10018 02 YASHIRO, F. Giant-electrode welder LANGLEY-11429 879-1013608 YEE, B. G. W. Reliability of nondestructive evaluation data LEWIS-12908 879-10257 06 YENNI, K. R. Helicopter sling loads LANGLEY-12557 B79-10544 06 VOS, J. Analysis of aperture antenna radiation pattern MSC-16246 879-10066 03 YOSHINO, S. V. Safe bending of boron/aluminum sheets MSC-19525 B79-10428 08 YOST, V. H. An evaluation of low-cost payload carrier M-FS-25129 B79-10536 06

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Page intentionally left blank ORIGINATING CENTER/TECH BRIEF Index to NASA Tech Briefs NUMBER INDEX Issue 21

GSFC-12365 ...... 879-10323 02 LANGLEY-12249 ...... 679-10504 04 GSFC-12367 ...... 679-10592 09 LANGLEY-12251 ...... 879-10044 03 GSFC-12372 ...... 879-10206 03 LANGLEV-12255 ...... 879-10487 03 Originating Center/Tech Brief Number GSFC-12374 ...... 879-10207 03 LANGLEY-12277 ...... 879-10210 04 Index GSFC-12399 ...... B79-10103 06 GSFC-12400 ...... B79-103 311 03 LANG LEY- 112280 ...... 679-10123 07 The left hand column identifies the originating G5FC-12403 ...... B79-1007 04 LANGLEY- 2292 ...... 679-10023 02 Center number; to the right of each originating GSFC-12404 ...... 879-10286 08 LANG LEY- 12293 ...... 879-10048 03 Center number is the Tech Brief number, e.g.. GSFC-12410 ...... B79-10294 01 LANGLEY-12299 ...... 879-1011206 879-10316. followed by a two-digit number. GSFC-12411 ...... 879-1002802 LANGLEY-12328 ...... 879-10045 03 e.g.. 02, which identifies the subject category G5FC-12415 ...... 879-10400 07 LANG LEY- 12338 ...... 879-10159 01 containing the entire citation. GSFC-12422 ...... 879-10113 06 LANG LEY- 12344 ...... 879-10027 02 G5FC-12429 ...... 679-10406 07 LANG LEY- 12345 ...... B79-10162 01 GSFC-12439 ...... 879-10351 03 LANG LEY- 12348 ...... B79-10214 04 G5FC-12445 ...... 879-10205 03 LANG LEY- 12349 ...... B79-10488 03 GSFC-12507 ...... 679-10517 05 LANG LEY- 12350 ...... 879-10489 03 G5FC-12513 ...... 879-10391 06 LANG LEY- 12351 ...... 879-10490 03 GSFC-12515 ...... 879-10563 08 LANG LEY- 12354 ...... 879-10543 06 G5FC-12519 ...... B79-10492 03 LANG LEY- 12356 ...... 679-10076 04 GSFC-12552 ...... 879-10494 03 LANG LEY- 12363 ...... 879-10425 08 LANGLEY-12370 ...... 679-10115 06 ARC-10984 ...... 879-10316 02 LANG LEY- 12371 ...... 879-10115 06 ARC-11090 ...... 679-10187 03 KSC-10899 ...... 879-10024 02 LANG LEY- 12381 ...... 679-10514 04 ARC-11097 ...... 879-10217 04 KSC-11023 ...... 879-10030 02 LANGLEY-12391 ...... 879-10240 06 ...... 879-1025306 K5C-11054 ...... 679-10437 09 LANG LEY- 12392 ...... 679-10287 08 ARC-11098 KSC-11069 ...... 879-1008305 LANG LEY- 112405 ...... B79-10491 03 ARC-11110 ...... 879-10274 08 KSC-11085 ...... 679-1007904 LANGLEY- 2427 ...... 879-10275 08 ARC-11114 ...... 879-10230 05 K5C-11086 ...... 879-10211 04 LANG LEY- 12428 ...... B79-10526 06 ARC-11134 ...... B79-10185 03 K5C-11087 ...... 679-1010206 LANG LEY- 12431 ...... 879-10220 04 ARC-11139 ...... 879-10291 09 K5C-11090 ...... 679-10239 06 LANG LEY- 12437 ...... 879-10183 03 ARC-11154 ...... 679-10215 04 KSC-11096 ...... 879-10479 02 LANG LEY- 12438 ...... 879-10043 03 ARC-11157 ...... 879-10260 07 K5C-11097 ...... 879-10134 08 LANG LEY- 12439 ...... 679-10513 04 ARC-11159 ...... 679-10262 07 KSC-11099 ...... B79-10025 02 LANG LEY-12441 ...... 879-10250 06 ARC-11169 ...... 879-10224 04 KSC-11103 ...... 679-1038806 LANG LEY- 12442 ...... 679-10216 04 ARC-11170 ...... 679-10507 04 K5C-11104 ...... 879-10006 01 LANG LEY- 12446 ...... 879-10542 06 ARC-11214 ...... 879-10080 04 K5C-11105 ...... 679-10415 07 LANG LEY- 12452 ...... 679-10373 04 ARC-11215 ...... 679-10541 06 KSC-11112 ...... B79-10268 07 LANG LEY- 12453 ...... 879-10422 07 ARC-11219 ...... 879-10098 06 K5C-11113 ...... 679-10501 03 LANG LEY- 12454 ...... 679-10441 09 ARC-11224 ...... 679-10254 06 KSC-11135 ...... 879-1050304 LANG LEY- 12455 ...... 879-10302 01 ARC-11233 ...... 879-1027708 K5C-11146 ...... 879-10552 07 LANG LEY- 12462 ...... 879-10228 05 ARC-11239 ...... 679-1022705 LANG LEY- 12474 ...... B79-10119 07 ARC-11243 ...... 879-10356 04 LANG LEY- 12479 ...... 879-10248 06 ARC-11244 ...... 879-10505 04 LANG LEY-1 1201 ...... 679-10385 06 LANG LEY- 12485 ...... 879-10381 06 ARC-11248 ...... 679-10354 04 LANG LEY-1 1429 ...... 879-10136 08 LANG LEY- 12486 ...... B79-10289 09 ARC-11253 ...... 879-10355 04 LANG LEY- 11441 ...... 879-10577 08 LANG LEY- 12488 ...... B79-10065 03 ARC-11256 ...... 879-1054707 LANGLEY-11575 ...... 879-10126 07 LANG LEY- 12490 ...... 679-10399 06 ARC-11275 ...... B79-10318 02 LANG LEY-1 1590 ...... 879-10558 08 LANG LEY- 12492 ...... 879-10436 09 ARC-11278 ...... B79-10255 06 LANGLEY-11776 ...... 879-1012507 LANG LEY- 12496 ...... 679-10481 03 ARC-11289 ...... B79-10531 06 LANG LEY-1 1866 ...... 679-1037806 LANG LEY- 12501 ...... 879-10397 06 LANG LEY- 11942 ...... 879-10586 08 LANGLEY-12515 ...... 879-10256 06 LANG LEY-11950 ...... 879-10557 08 LANG LEY- 12516 ...... 679-10545 06 FRC-10081 ...... 879-10258 07 LANG LEY-11952 ...... 679-10477 02 LANG LEY- 12520 ...... 879-10515 05 FRC-10090 ...... 879-10445 01 LANGLEY-11958 ...... 879-10480 02 LANG LEY- 12523 ...... 879-10584 08 FRC-10111 ...... 879-10559 08 LANG LEY- 12046 ...... 879-10208 04 LANG LEY- 12524 ...... 679-10398 06 FRC-10114 ...... 879-10440 09 LANGLEY-12047 ...... B79-10231 05 LANG LEY- 12527 ...... B79-10166 02 FRC-10121 ...... 679-10439 09 LANG LEY- 12069 ...... 879-10153 09 LANG LEY- 12530 ...... 879-10444 01 FRC-11012 ...... 879-10010 01 LANG LEY- 12076 ...... 879-10271 07 LANG LEY- 12557 ...... B79-10544 06 LANGLEY-12078 ...... 879-10267 07 LANG LEY- 12589 ...... 679-10493 03 LANGLEY-12126 ...... 879-10590 09 GSFC-11806 ...... 679-10143 08 LANGLEY-12167 ...... B79-10029 02 G5FC-11946 ...... 879-10114 06 LANG LEY- 12215 ...... 879-10170 02 LEWI5-12678 ...... 879-10222 04 GSFC-12171 ...... 879-10002 01 LANGLEV-12229 ...... 679-10247 06 LEWI5-12711 ...... 879-10175 02 GSFC-12191 ...... 879-10330 03 LEWI5-12721 879-10583 08 G5FC-12203 ...... 879-10478 02 LANGLEY-12240 ...... 879-10427 08 LEWI5-12765 ...... 879-10117 06 G5FC-12324 ...... 879-10015 02 LANGLEY-12241 ...... 879-10306 01 LEWIS-12810 ...... 679-10133 07 GSFC-12331 ...... 879-10121 07 LANGLEY-12242 ...... 879-10486 03 LEWIS-12826 ...... 879-10537 06 G5FC-12348 ...... 679-10326 03 LANG LEY-12248 ...... 879-10280 08 LEWIS-12861 ...... 879-10396 06

1-51 ORIGINATING CENTER/ TECH BRIEF NUMBER INDEX

LEWIS-12908 ...... B79-10257 06 M-FS-23826 ...... 679-10245 06 M-FS-25137 ...... 679-10194 03 LEWIS-12913 ...... B79-10219 04 M-FS-23830 ...... 679-10483 03 M-FS-25138 ...... 679-10198 03 LEWIS-12914 ...... B79-10538 06 M-FS-23845 ...... 679-10482 03 M-FS-25140 ...... 679-10199 03 LEWIS-12944 ...... B79-10263 07 M-FS-23846 ...... 679-10122 07 M-FS-25142 ...... 879-10156 01 LEWIS-12972 ...... B79-10281 08 ...... 679-10285 M-FS-25143 ...... 879-10200 03 LEWIS-12976 ...... 679-10566 08 M-FS-23851 08 M-FS-25144 ...... B79-10201 03 LEWIS-12981 ...... B79-10392 06 M-FS-23870 ...... 679-10334 03 M-FS-25151 ...... B79-10203 03 LEWIS-12987 ...... 679-10411 07 M-FS-23873 ...... B79-10090 06 M-FS-25152 ...... 679-10202 03 LEWIS-12994 ...... 879-10395 06 M-FS-23879 ...... 679-10077 04 M-FS-25157 ...... 879-10340 03 LEWIS-12999 ...... 879-10283 08 M-FS-23884 ...... 879-10149 09 M-FS-25159 ...... B79-10343 03 LEWIS-13000 ...... B79-10284 08 M-FS-23897 ...... B79-10032 02 M-FS-25160 ...... 679-10348 03 LEWIS-13020 ...... 879-10158 01 M-FS-23903 ...... 679-10099 06 M-FS-25166 ...... B79-10339 03 LEWIS-13033 ...... B79-10368 04 M-FS-23923 ...... 879-10086 06 M-FS-25169 ...... B79-10349 03 LEWIS-13034 ...... B79-10236 06 M-FS-23946 ...... 879-10511 04 M-FS-25176 ...... 679-10431 08 LEWIS-13035 ...... B79-10237 06 M-FS-23949 ...... 679-10129 07 M-FS-25178 ...... B79-10338 03 LEWIS-13036 ...... 679-10238 06 M-FS-23957 ...... 879-10042 03 M-FS-25180 ...... B79-10519 06 LEWIS-13037 ...... 679-10520 06 M-FS-23958 ...... 679-10087 06 M-FS-25181 ...... 679-10582 08 LEWIS-13041 ...... 879-10279 08 M-FS-23959 ...... 679-10088 06 M-FS-25186 ...... B79-10347 03 LEWIS-13047 ...... B79-10293 09 M-FS-23979 ...... 879-10363 04 M-FS-25187 ...... 679-10346 03 LEWIS-13079 ...... 679-10132 07 M-FS-23986 ...... 679-10372 04 M-FS-25188 ...... 679-10342 03 LEWIS-13089 ...... 879-10001 01 M-FS-23988 ...... 679-10004 01 M-FS-25189 ...... B79-10495 03 LEWIS-13090 ...... 679-10386 06 M-FS-23990 ...... B79-10127 07 M-FS-25196 ...... 679-10484 03 LEWIS-13091 ...... 879-10243 06 M-FS-23996 ...... 679-10033 03 M-FS-25198 ...... B79-10337 03 LEWIS-13097 ...... 879-10500 03 M-FS-23998 ...... B79-10052 03 M-FS-25201 ...... 679-10336 03 LEWIS-13127 ...... 679-10352 03 M-FS-23999 ...... B79-10036 03 M-FS-25218 ...... 679-10341 03 LEWIS-13129 ...... B79-10393 06 M-FS-25007 ...... 679-10145 08 M-FS-25220 ...... B79-10345 03 LEWIS-13147 ...... B79-10433 08 M-FS-25009 ...... 879-10062 03 M-FS-25226 ...... 679-10335 03 LEWIS-13161 ...... 679-10218 04 M-FS-25024 ...... B79-10100 06 M-FS-25238 ...... B79-10344 03 LEWIS-13173 ...... 879-10221 04 M-FS-25025 ...... B79-10449 01 M-FS-25243 ...... B79-10456 01 LEWIS-13177 ...... B79-10269 07 M-FS-25026 ...... 879-10189 03 M-FS-25245 ...... 879-10458 01 LEWIS-13195 ...... B79-10549 07 M-FS-25027 ...... 879-10092 06 M-FS-25246 ...... B79-10459 01 LEWIS-13227 ...... 879-10272 07 M-FS-25031 ...... 679-10056 03 M-FS-25248 ...... B79-10461 01 LEWIS-13228 ...... B79-10273 07 M-FS-25032 ...... 879-101 10 06 M-FS-25249 ...... B79-10462 01 LEWIS-13231 ...... 679-10265 07 M-FS-25034 ...... B79-10148 08 M-FS-25250 ...... 679-10463 01 LEWIS-13247 ...... B79-10252 06 M-FS-25039 ...... 879-10013 01 M-FS-25266 ...... 879-10464 01 LEWIS-13248 ...... 679-10546 06 M-FS-25050 ...... B79-10567 08 M-FS-25268 ...... 879-10465 01 LEWIS-13265 ...... 679-10521 06 M-FS-25051 ...... 679-10152 09 M-FS-25270 ...... 679-10466 01 LEWIS-13276 ...... 679-10374 05 M-FS-25079 ...... 679-10589 08 M-FS-25271 ...... B79-10467 01 LEWIS-13277 ...... B79-10261 07 M-FS-25080 ...... 679-10190 03 M-FS-25272 ...... 679-10468 01 M-FS-25083 ...... 879-10585 08 M-FS-25273 ...... B79-10469 01 M-FS-25086 ...... B79-10061 03 M-FS-25274 ...... B79-10470 01 M-FS-15247 ...... 679-10460 01 M-FS-25087 ...... 879-10315 01 M-FS-25275 ...... 879-10471 01 M-FS-19326 ...... 679-10572 08 M-FS-25088 ...... 679-10371 04 M-FS-25276 ...... B79-10472 01 M-FS-19330 ...... 879-10140 08 M-FS-25089 ...... 679-10588 08 M-FS-25277 ...... 679-10473 01 M-FS-19333 ...... B79-10106 06 M-FS-25090 ...... 879-10058 03 M-FS-25278 ...... B79-10474 01 M-FS-19347 ...... 679-10569 08 M-FS-25091 ...... 679-10084 05 M-FS-25279 ...... 679-10475 01 M-FS-19354 ...... B79-10578 08 M-FS-25092 ...... 879-10063 03 M-FS-25300 ...... 879-10496 03 M-FS-19363 ...... 679-10137 08 M-FS-25093 ...... B79-10244 06 M-FS-25310 ...... 679-10497 03 M-FS-19364 ...... B79-10580 08 M-FS-25094 ...... 679-10051 03 M-FS-25329 ...... 679-10455 01 M-FS-19365 ...... 679-10579 08 M-FS-25095 ...... B79-10593 09 M-FS-25338 ...... B79-10498 03 M-FS-19379 ...... 679-10574 08 M-FS-25097 ...... B79-10053 03 M-FS-25344 ...... 679-10457 01 M-FS-19389 ...... 679-10111 06 M-FS-25098 ...... 879-10060 03 M-FS-19395 ...... 679-10093 06 M-FS-25099 ...... B79-10151 09 M-FS-19411 ...... 879-10104 06 M-FS-25102 ...... 679-10184 03 MSC-12697 ...... B79-10317 02 M-FS-19422 ...... 679-10094 06 M-FS-25103 ...... B79-10188 03 MSC-12698 ...... 679-10446 01 M-FS-19423 ...... 679-10533 06 M-FS-25104 ...... 879-10235 05 MSC-12731 ...... 679-10419 07 M-FS-19428 ...... B79-10581 08 M-FS-25105 ...... 879-10204 03 MSC-14841 ...... 679-10016 02 M-FS-19455 ...... B79-10573 08 M-FS-25106 ...... B79-10192 03 MSC-14934 ...... 679-10452 01 M-FS-19473 ...... 879-10555 07 M-FS-25108 ...... B79-10191 03 MSC-14968 ...... B79-10448 01 M-FS-19494 ...... B79-10568 08 M-FS-25109 ...... 879-10179 03 MSC-14981 ...... 679-10556 08 M-FS-19498 ...... 679-10370 04 M-FS-25110 ...... 679-10246 06 MSC-15994 ...... 679-10409 07 M-FS-19508 ...... B79-10554 07 M-FS-25111 ...... 879-1015009 MSC-16043 ...... B79-10410 07 M-FS-22706 ...... 679-10523 06 M-FS-25112 ...... B79-10288 08 MSC-16059 ...... 879-10564 08 M-FS-22957 ...... B79-10553 07 M-FS-25113 ...... B79-10059 03 MSC-16115 ...... 679-10031 02 M-FS-23186 ...... 679-10049 03 M-FS-25114 ...... 679-10055 03 MSC-16132 ...... 879-10241 06 M-FS-23267 ...... B79-10177 03 M-FS-25115 ...... B79-10057 03 MSC-16151 ...... B79-10413 07 M-FS-23359 ...... 679-10512 04 M-FS-25116 ...... 679-10054 03 MSC-16198 ...... 679-10264 07 M-FS-23368 ...... B79-10506 04 M-FS-25121 ...... B79-10165 01 MSC-16235 ...... 879-10509 04 M-FS-23447 ...... 679-10259 07 M-FS-25122 ...... 679-10539 06 MSC-16241 ...... 679-10017 02 M-FS-23541 ...... 879-10562 08 M-FS-25124 ...... 879-10384 06 MSC-16246 ...... 879-10066 03 M-FS-23645 ...... 679-10499 03 M-FS-25125 ...... 679-10591 09 MSC-16251 ...... B79-10387 06 M-FS-23726 ...... 679-10118 07 M-FS-25127 ...... 879-10524 06 MSC-16258 ...... 679-10502 04 M-FS-23727 ...... B79-10180 03 M-FS-25129 ...... 679-105361 06 MSC-16305 ...... 879-10528 06 M-FS-25130 ...... 879- 019503 M-FS-23753 ...... B79-10292 09 M-FS-25131 ...... 879-10197 03 MSC-16307 ...... B79-10361 04 M-FS-23777 ...... 679-10408 07 M-FS-25132 ...... 679-10430 08 MSC-16370 ...... 679-10009 01 M-FS-23798 ...... B79-10108 06 M-FS-25133 ...... 879-10196 03 MSC-16459 ...... B79-10560 08 M-FS-23799 ...... 679-10107 06 M-FS-25135 ...... 679-10178 03 MSC-16483 ...... 679-10124 07 M-FS-23816 ...... 679-10508 04 M-FS-25136 ...... B79-10193 03 MSC-16490 ...... B79-10141 08

1-52 ORIGINATING CENTER! TE., I BRIEF NUMBER INDEX

MSC-16546 ...... B79-10157 01 MSC-19589 ...... B79-10383 06 NPO-14461 ...... 879-10229 05 MSC-16562 ...... B79-10212 04 MSC-19623 ...... B79-10571 08 NPO-14464 ...... 879-10358 04 MSC-16580 ...... B79-10105 06 MSC-19635 ...... B79-10548 07 NPO-14466 ...... 879-10176 02 MSC-16609 ...... B79-10213 04 MSC-19651 ...... 879-10389 06 NPO-14473 ...... 879-10128 07 MSC-19664 ...... 879-10587 08 NPO-14474 ...... 879-10367 04 MSC-16647 ...... B79-10420 07 MSC-19669 ...... 879-10530 06 NPO-14476 ...... 879-10379 06 MSC-16661 ...... B79-10300 01 NPO-14497 ...... B79-10412 07 MSC-16683 ...... B79-10321 02 NPO-14498 ...... 879-10064 03 MSC-16698 ...... B79-10135 08 NPO-11964 ...... 879-10116 06 NPO-14501 ...... B79-10366 04 MSC-16748 ...... B79-10120 07 NPO-13091 ...... B79-10322 02 NPO-14502 ...... B79-10046 03 MSC-16752 ...... B79-10142 08 NPO-13135 ...... B79-10266 07 NPO-14505 ...... B79-10303 01 MSC-16762 ...... 879-10089 06 NPO-13257 ...... 879-10131 07 NPO-14507 ...... B79-10295 01 MSC-16800 ...... 879-10169 02 NPO-13438 ...... 879-10163 01 NPO-14529 ...... 879-10402 07 MSC-16890 ...... B79-10454 01 NPO-13517 ...... 879-10160 01 NPO-14530 ...... 879-10447 01 MSC-16892 ...... B79-10276 08 NPO-13574 ...... B79-10172 02 NPO-14534 ...... 879-10278 08 MSC-16907 ...... B79-10453 01 NPO-13594 ...... 879-10168 02 NPO-14550 ...... B79-10251 06 MSC-16922 ...... B79-10320 02 NPO-13639 ...... 879-10008 01 NPO-14562 ...... B79-10171 02 MSC-16923 ...... B79-10164 01 NRO-13657 ...... 879-10375 05 NPO-14566 ...... 879-10173 02 MSC-16938 ...... B79-10270 07 NPO-13700 ...... 879-10005 01 NPO-14570 ...... 879-10394 06 MSC-17415 ...... B79-10575 08 NPO-13736 ...... B79-10038 03 NPO-14578 ...... B79-10109 06 MSC-18022 ...... B79-10242 06 NPO-13777 ...... 879-10438 09 NPO-14582 ...... 879-10297 01 MSC-18040 ...... B79-10417 07 NPO-13938 ...... B79-10014 01 NPO-14585 ...... 879-10308 01 MSC-18057 ...... B79-10154 01 NPO-13945 ...... 879-10186 03 NPO-14597 ...... 679-10407 07 MSC-18107 ...... B79-10144 08 NPO-13955 ...... B79-10022 02 NPO-14599 ...... 879-10182 03 MSC-18132 ...... B79-10096 06 NPO-14019 ...... 879-10020 02 NPO-14605 ...... B79-10369 04 MSC-18134 ...... B79-10414 07 NPO-14022 ...... B79-10021 02 NPO-14606 ...... B79-10360 04 MSC-18178 ...... B79-10442 09 NPO-14035 ...... B79-10019 02 NPO-14609 ...... B79-10357 04 MSC-18196 ...... 879-10325 03 NPO-14038 ...... B79-10167 02 NPO-14614 ...... 879-10451 01 MSC-18201 ...... B79-10298 01 NPO-14070 ...... B79-10011 01 NPO-14615 ...... 679-10226 04 MSC-18202 ...... B79-10529 06 NPO-14077 ...... B79-10003 01 NPO-14626 ...... 879-10282 08 MSC-18255 ...... B79-10047 03 NPO-14104 ...... 879-10069 04 NPO-14630 ...... 679-10181 03 MSC-18256 ...... B79-10225 04 NPO-14105 ...... 879-10443 09 NPO-14637 ...... 879-10359 04 MSC-18282 ...... B79-10233 05 NPO-14137 ...... B79-10075 04 NPO-14638 ...... B79-10485 03 MSC-18298 ...... B79-10139 08 NPO-14146 ...... 879-10423 08 NPO-14642 ...... 879-10290 09 MSC-18321 ...... B79-10232 05 NPO-14163 ...... B79-10026 02 NPO-14653 ...... 879-10390 06 MSC-18322 ...... 879-10101 06 NPO-14236 ...... 879-10304 01 NPO-14655 ...... B79-10405 07 MSC-18329 ...... B79-10091 06 NPO-14266 ...... B79-10377 05 NPO-14656 ...... 879-10161 01 MSC-18356 ...... 879-10305 01 NPO-14271 ...... 879-10329 03 NPO-14672 ...... 679-10382 06 MSC-18358 ...... 879-10085 05 NPO-14273 ...... B79-10070 04 NPO-14683 ...... 879-10067 03 MSC-18359 ...... 879-10353 04 NPO-14282 ...... 879-10018 02 NPO-14698 ...... 679-10525 06 MSC-18365 ...... 879-10403 07 NPO-14297 ...... B79-10223 04 NPO-14717 ...... B79-10421 07 MSC-18368 ...... B79-10426 08 NPO-14303 ...... B79-10147 08 NPO-14747 ...... 879-10435 08 MSC-18369 ...... 879-10311 01 NPO-14304 ...... B79-10034 03 NPO-14787 ...... 879-10350 03 MSC-18371 ...... B79-10535 06 NPO-14312 ...... B79-10249 06 MSC-18373 ...... B79-10327 03 NPO-14320 ...... 879-10209 04 MSC-18377 ...... 879-10376 05 NPO-14329 ...... 879-10518 05 MSC-18380 ...... B79-10365 04 NPO-14339 ...... B79-10364 04 MSC-18389 ...... 879-10532 06 NPO-14340 ...... 879-10362 04 MSC-18399 ...... 879-10319 02 NPO-14341 ...... B79-10039 03 MSC-18414 ...... B79-10299 01 NPO-14344 ...... 879-10078 04 MSC-18415 ...... 879-10418 07 NPO-14346 ...... 879-10138 08 MSC-18423 ...... B79-10380 06 NPO-14347 ...... 879-10301 01 MSC-18437 ...... 879-10429 08 NPO-14349 ...... B79-10081 05 MSC-18450 ...... B79-10416 07 NPO-14354 ...... 879-10068 04 MSC-18455 ...... B79-10424 08 NPO-14356 ...... 679-10035 03 MSC-18467 ...... 879-10550 07 NPO-14362 ...... 879-10040 03 MSC-18471 ...... B79-10314 01 NPO-14372 ...... 679-10328 03 MSC-18476 ...... 679-10540 06 NPO-14373 ...... 879-10072 04 MSC-18488 ...... 879-10404 07 NPO-14376 ...... 879-10174 02 MSC-18489 ...... 879-10561 08 NPO-14381 ...... B79-10074 04 MSC-18490 ...... 879-10522 06 NPO-14382 ...... 879-10073 04 MSC-18495 ...... 879-10527 06 NPO-14388 ...... 879-10130 07 MSC-18500 ...... B79-10234 05 NPO-14402 ...... B79-10082 05 MSC-18513 ...... 879-10450 01 NPO-14406 ...... 879-10146 08 MSC-18516 ...... B79-10476 02 NPO-14415 ...... 879-10012 01 MSC-18522 ...... 879-10516 05 NPO-14416 ...... 879-10037 03 MSC-18527 ...... 879-10312 01 NPO-14418 ...... 879-10007 01 MSC-18541 ...... 879-10309 01 NPO-14419 ...... 879-10434 08 MSC-18543 ...... 879-10510 04 NPO-14421 ...... 879-10155 01 MSC-18549 ...... B79-10332 03 NPO-14425 ...... 879-10041 03 MSC-19346 ...... B79-10097 06 NPO-14427 ...... 879-10296 01 MSC-19497 ...... 879-10310 01 NPO-14428 ...... 879-10095 06 MSC-19511 ...... 879-10534 06 NPO-14435 ...... 879-10324 02 MSC-19514 ...... 879-10401 07 MSC-19524 ...... 879-10570 08 NPO-14442 ...... 679-10307 01 MSC-19525 ...... 879-10428 08 NPO-14443 ...... 879-10313 01 MSC-19531 ...... 879-10565 08 NPO-14450 ...... 879-10333 03 MSC-19550 ...... B79-10551 07 NPO-14451 ...... B79-10050 03 MSC-19572 ...... 879-10576 08 NPO-14453 ...... B79-10432 08

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Page intentionally left blank TECH BRIEF/ORIGINATING CENTER NUMBER INDEX Index to NASA Tech Briefs Issue 21

879-10045 03 ...... LANG LEY- 112328 879-1011006 ...... M-F5-25032 B79-10046 03 ...... NPO- 4502 879-10111 06 ...... M-FS-19389 879-10047 03 ...... M5C-18255 B79-10112 06 ...... LANG.LEY- 12299 879-10048 03 ...... LANGLEY-12293 679-1011306 ...... GSFC-12422 Tech Brief/ Originating Center Number 879-10049 03 ...... M-F5-23186 Index B79-10050 03 ...... NPO-14451 879-10114 06 ...... G SFC- 11946 879-10051 03 ...... M-F5-25094 B79-1011506 ...... LANGLEY-12370 The left hand column identifies the Tech Brief 879-10052 03 ...... M-FS-23998 LANGLEY-12371 number. e.g.. B79-10001. followed by a two- B79-10053 03 ...... M-F5-25097 879-1011606 •...... NPO-11964 digit number, e.g.. 01, which idantifies the 879-10054 03 ...... M-FS-25116 B79-10117 06 ...... LEWI5-12765 subject category containing the entire citation. B79-10055 03 ...... M-FS-25114 B79-10118 07 ...... M-FS-23726 Following the subject category number is the B79-10056 03 ...... M-F5-25031 879-10119 07 ...... LANG LEY- 12474 originating Center number. 879-10057 03 ...... M-F5-25115 B79-10120 07 ...... MSC-16748 B79-10058 03 ...... M-F5-25090 879-10121 07 ...... G5FC-12331 879-1005903 ...... M-F5-25113 B79-10122 07 ...... M-FS-23846 B79-10060 03 ...... M-FS-25098 879-10123 07 ...... LANG LEY- 12280 879-10061 03 ...... M-F5-25086 879-10124 07 ...... MSC-16483 879-10062 03 ...... M-F5-25009 879-10125 07 ...... LANGLEY-11776 B79-10063 03 ...... M-F5-25092 B79-1012607 ...... LANG LEY-1 1575 B79-10064 03 ...... NPO-14498 879-10127 07 ...... M-FS.23990 879-10065 03 ...... LANG LEY- 12488 879-10128 07 ...... NPO-14473 B79-10001 01 ...... LEWIS-13089 B79-10066 03 ...... MSC- 16246 B79-10129 07 ...... M-F5-23949 B79-10002 01 ...... G5FC-12171 879-10067 03 ...... NPO-14683 879-10130 07 ...... NPO-14388 B79-10003 01 ...... NPO-14077 B79-10068 04 ...... NPO-14354 B79-10131 07 ...... NPO-13257 879-10004 01 ...... M-FS-23988 B79-10069 04 ...... NPO- 14104 879-10132 07 ...... LEWIS-13079 B79-10005 01 ...... NPO-13700 B79-10070 04 ...... NPO-14273 879-10133 07 ...... LEWIS-12810 B79-10071 04 ...... G5FC-12403 879-10134 08 ...... KSC- 11097 B79-10006 01 ...... K5C-11104 B79-10072 04 ...... NPO-14373 879-10135 08 ...... M5C-16698 B79-10007 01 ...... NPO- 14418 879-10073 04 ...... NPO-143821 679-10136 08 ...... LANG LEY- 11429 879-10008 01 ...... NPO-13639 B79-10074 04 ...... NPO- 4381 879-10137 08 ...... M-FS-19363 B79-1000901 ...... M5C-16370 879-10075 04 ...... NPO-14137 679-10138 08 ...... NPO-14346 B79-1001001 ...... FRC-11012 879-10076 04 ...... LANG LEY- 12356 879-10139 08 ...... M5C-18298 B79-10011 01 ...... NPO-14070 879-10077 04 ...... M-F5-23879 679-10140 08 ...... M-F5-19330 B79-1001201 ...... NPO-14415 B79-10078 04 ...... NPO-14344 879-10141 08 ...... M5C-16490 879-10013 01 ...... M-FS-25039 879-1007904 ...... K5C-11085 679-10142 08 ...... MSC-16752 B79-10014 01 ...... NPO-13938 B79-1008004 ...... ARC- 11214 879-10143 08 ...... G5FC-11806 B79-10015 02 ...... G5FC-12324 B79-10081 05 ...... NPO-14349 B79-1014408 ...... M5C-18107 B79-10016 02 ...... MSC-14841 B79-10082 05 ...... NPO-14402 B79-10145 08 ...... M-FS-25007 B79-10017 02 ...... MSC-16241 879-1008305 ...... K5C-11069 679-10146 08 ...... NPO-14406 B79-10018 02 ...... NPO-14282 B79-10084 05 ...... M-F5-25091 879-10147 08 ...... NPO-14303 B79-10019 02 ...... NPO-14035 879-10085 05 ...... M5C-18358 679-10148 08 ...... M-F5-25034 B79-10020 02 ...... NPO-14019 B79-10086 06 ...... M-F5-23923 879-10149 09 - ...._.-...... M-F5-23884 B79-10021 02 ...... NPO-14022 879-10087 06 ...... M-FS-23958 B79-1015009 ...... M-F5-25111 B79-10022 02 ...... NPO-13955 879-10088 06 ...... M-F5-23959 879-10151 09 ...... M-F5-25099 B79-10023 02 ...... LANGLEY-12292 879-10089 06 ...... M5C-16762 B79-10152 09 ...... M-F5-25051 B79-10024 02 ...... KSC- 10899 879-10090 06 ...... M-F5-23873 B79-10153 09 ...... LANGLEY-12069 B79-10025 02 ...... KSC-1 1099 B79-10091 06 ...... M5C-18329 679-10154 01 ...... MSC-18057 B79-10026 02 ...... NPO-14163 B79-10092 06 ...... M-F5-25027 B79-10155 01 ...... NPO-14421 B79-10027 02 ...... LANG LEY- 12344 B79-10093 06 ...... M-F5-19395 679-10156 01 ...... M-FS-25142 879-10028 02 ...... G5FC-12411 B79-10094 06 ...... M-F5-19422 B79-10157 01 ...... M5C-16546 B79-10029 02 ...... LANGLEY-12167 879-10095 06 ...... NPO-14428 879-10158 01 ...... LEWIS-13020 B79-1003002 ...... KSC-1 1023 B79-10096 06 ...... M5C-18132 B79-10159 01 ...... LANG LEY- 12338 879-10031 02 ...... MSC-16115 879-10097 06 ...... M5C-19346 879-10160 01 ...... NPO-13517 879-10032 02 ...... M-FS-23897 879-10098 06 ...... ARC-1 1219 879-10161 01 ...... NPO-14656 879-10033 03 ...... M-F5-23996 B79-10099 06 ...... M-FS-23903 879-10162 01 ...... LANGLEY-12345 879-10034 03 ...... NPO-14304 B79-10100 06 ...... M-FS-25024 B79-10163 01 ...... NPO- 13438 B79-10035 03 ...... NPO-14356 B79-10101 06 ...... MSC-18322 879-10164 01 ...... MSC-16923 B79-10036 03 ...... M-F5-23999 B79-1010206 ...... KSc-11087 879-10165 01 ...... M-FS-25121 B79-10037 03 ...... NPO- 14416 879-10103 06 ...... G5FC-12399 679-10166 02 ...... LANGLEY-12527 B79-10038 03 ...... NPO-13736 879-10104 06 ...... M-F5-19411 879-10167 02 ...... NPO-14038 B79-10039 03 ...... NPO-14341 879-10105 06 ...... MSC-16580 679-10168 02 ...... NPO-13594 B79-10040 03 ...... NPO-14362 879-10169 02 ...... MSC- 16800 B79-10041 03 ...... NPO-14425 879-10106 06 ...... M-F5-19333 679-10170 02 ...... LANGLEY-12215 B79-10042 03 ...... M-F5-23957 879-10107 06 ...... M-FS-23799 B79-10171 02 ...... NPO-14562 879-10043 03 ...... LANG LEY- 12438 B79-10108 06 ...... M-FS-23798 B79-10172 02 ...... NPO-13574 B79-10044 03 ...... LANG LEY- 12251 B79-10109 06 ...... NPO-14578 879-10173 02 ...... NPO-14566

1-55 TECH BRIEF/ OR/GINA TING CENTER NUMBER INDEX

B79-10174 02 ...... NPO-14376 879-10251 06 ...... NPO-14550 879-10328 03 ...... NPO-14372 B79-10175 02 ...... LEWIS-12711 B79-10252 06 ...... LEWIS-13247 879-10329 03 ...... NPO-14271 B79-10176 02 ...... NPO-14466 879-1025306 ...... ARC-i 1098 679-10330 03 ...... GSFC-12191 B79-10177 03 ...... M-FS-23267 B79-1025406 ...... ARC- 11224 879-10331 03 ...... GSFC-12400 B79-10178 03 ...... M-FS-251351 B79-10255 06 ...... ARC- 11278 B79-10332 03 ...... MSC-18549 B79-10179 03 ...... M-FS-25 09 679-10333 03 ...... NPO-14450 B79-10180 03 ...... M-FS-23727 B79-10256 06 ...... LANGLEY-12515 879-10334 03 ...... M-FS-23870 B79-10181 03 ...... NPO-14630 679-10257 06 ...... LEWIS-12908 B79-10335 03 ...... M-FS-25226 B79-10182 03 ...... NPO-14599 679-10258 07 ...... FRC-10081 879-10336 03 ...... M-FS-25201 679-10183 03 ...... LANG LEY- 12437 879-10259 07 ...... M-FS-23447 679-10337 03 ...... M-FS-25198 B79-10184 03 ...... M-FS-25102 B79-1026007 ...... ARC-1 1157 879-10338 03 ...... M-FS-25178 B79-1018503 ...... ARC-1 1134 879-10261 07 ...... LEWIS-13277 679-10339 03 ...... M-FS-25166 B79-10186 03 ...... NPO-13945 879-10262 07 ...... ARC-1 1159 679-10340 03 ...... M-FS-25157 879-10187 03 ...... ARC-1 1090 679-10263 07 ...... LEWIS-12944 B79-10341 03 ...... M-FS-25218 879-10188 03 ...... M-FS-25103 879-10264 07 ...... MSC-16198 679-10342 03 ...... M-FS-25188 B79-10189 03 ...... M-FS-25026 679-10265 07 ...... LEWIS-13231 879-10343 03 ...... M-FS-25159 B79-10190 03 ...... M-FS-25080 879-10266 07 ...... NPO-13135 679-10344 03 ...... M-FS-25238 679-10191 03 ...... M-FS-25108 679-10267 07 ...... LANGLEY-12078 879-10345 03 ...... M-FS-25220 679-10192 03 ...... M-FS-25106 879-10268 07 ...... KSC-1 1112 679-10346 03 ...... M-FS-25187 679-10193 03 ...... M-FS-25136 679-10269 07 ...... LEWIS-13177 B79-10347 03 ...... M-FS-25186 679-10194 03 ...... M-FS-25137 879-10270 07 ...... MSC-16938 879-10348 03 ...... M-FS-25160 B79-10195 03 ...... M-FS-25130 B79-10271 07 ...... LANGLEY-12076 879-10349 03 ...... M-FS-25169 679-10196 03 ...... M-FS-25133 879-10272 07 ...... LEWIS-13227 879-10350 03 ...... NPO-14787 B79-10197 03 ...... M-FS-25131 679-10273 07 ...... LEWIS-13228 879-10351 03 ...... GSFC-i2439 679-10198 03 ...... M-FS-25138 679-10274 08 ...... ARC-11i10 B79-10352 03 ...... LEWIS-13127 679-10199 03 ...... M-FS-25140 879-10275 08 ...... LANGLEY-12427 679-10353 04 ...... MSC-18359 679-10200 03 ...... M-FS-25143 879-10276 08 ...... MSC-16892 879-10354 04 ...... ARC-1 1248 679-10201 03 ...... M-FS-25144 679-10277 08 ...... ARC-1 1233 B79-1035504 ...... ARC-11253 B79-10202 03 ...... M-FS-25152 879-10278 08 ...... NPO-14534 679-1035604 ...... ARC-1 1243 B79-10203 03 ...... M-FS-25151 B79-10279 08 ...... LEWIS-13041 879-10357 04 ...... NPO-14609 B79-10204 03 ...... M-FS-25105 679-10280 08 ...... LANGLEY-12248 679-10358 04 ...... NPO-14464 B79-10205 03 ...... G SFC- 12445 879-10281 08 ...... LEWIS-12972 679-10359 04 ...... NPO-14637 B79-10206 03 ...... GSFC-12372 B79-10282 08 ...... NPO-14626 879-10360 04 ...... NPO-14606 B79-10207 03 ...... GSFC-12374 679-10283 08 ...... LEWIS-12999 B79-10361 04 ...... MSC-16307 B79-10208 04 ...... LANG LEY- 12046 B79-10284 08 ...... LEWIS-13000 879-10362 04 ...... NPO-14340 679-10209 04 ...... NPO-14320 679-10285 08 ...... M-FS-23851 B79-10363 04 ...... M-FS-23979 679-10210 04 ...... LANGLEY-12277 879-10286 08 ...... GSFC-12404 679-10364 04 ...... NPO-14339 B79-10211 04 ...... KSC-1 1086 B79-10287 08 ...... LANGLEY-i2392 879-10365 04 ...... MSC-18380 879-10212 04 ...... MSC-16562 879-1028808 ...... M-FS-25112 679-10366 04 ...... NPO-14501 679-10213 04 ...... MSC-16609 679-10289 09 ...... LANG LEY- 12486 879-10367 04 ...... NPO-14474 879-10214 04 ...... LANGLEY-12348 879-10290 09 ...... NPO-14642 679-10368 04 ...... LEWIS-13033 679-10215 04 ...... ARC-1 1154 B79-10291 09 ...... ARC- 11139 879-10369 04 ...... NPO-14605 679-10216 04 ...... LANGLEY-12442 679-10292 09 ...... M-FS-23753 B79-10370 04 ...... M-FS-19498 679-10217 04 ...... ARC-1 1097 879-10293 09 ...... LEWIS-13047 879-10371 04 ...... M-FS-25088 679-10218 04 ...... LEWIS-13161 679-10294 01 ...... GSFC- 12410 679-10372 04 ...... M-FS-23986 679-10219 04 ...... LEWIS-12913 879-10295 01 ...... NPO-14507 879-10373 04 ...... LANGLEY-12452 679-10220 04 ...... LANGLEY-12431 679-10296 01 ...... NPO-14427 679-10374 05 ...... LEWIS-13276 B79-10221 04 ...... LEWIS-13173 B79-10297 01 ...... NPO-14582 B79-10375 05 ...... NPO-13657 679-10222 04 ...... LEWIS-12678 679-10298 01 ...... MSC-18201 679-10376 05 ...... MSC-18377 879-10223 04 ...... NPO-14297 879-10299 01 ...... MSC-18414 879-10377 05 ...... NPO-14266 679-1022404 ...... ARC- 11169 B79-10300 01 ...... MSC-16661 B79-1037806 ...... LANG LEY-1 1866 B79-10225 04 ...... MSC-18256 B79-10301 01 ...... NPO-14347 679-10379 06 ...... NPO-14476 879-10226 04 ...... NPO-14615 B79-10302 01 ...... LANGLEY-12455 879-10380 06 ...... MSC-18423 B79-10227 05 ...... ARC-1 1239 679-10303 01 ...... NPO-14505 679-10381 06 ...... LANGLEY-12485 879-10228 05 ...... LANGLEY-12462 879-10304 01 ...... NPO-14236 879-10382 06 ...... NPO-14672 B79-10229 05 ...... NPO-14461 B79-10305 01 ...... MSC-18356 B79-10383 06 ...... MSC-19589 879-10230 05 ...... ARC-1 1114 879-10306 01 ...... LANG LEY- 12241 679-10384 06 ...... M-FS-25124 B79-10231 05 ...... LANGLEY-12047 B79-10307 01 ...... NPO-14442 879-10385 06 ...... LANG LEY-1 1201 679-10232 05 ...... MSC-18321 679-10308 01 ...... NPO-14585 679-10386 06 ...... LEWIS-13090 B79-10233 05 ...... MSC-18282 B79-10309 01 ...... MSC-18541 879-10387 06 ...... MSC-16251 679-10234 05 ...... MSC-18500 B79-10310 01 ...... MSC-19497 B79-1038806 ...... KSC-1 1103 B79-10235 05 ...... M-FS-25104 879-10311 01 ...... MSC-18369 879-10389 06 ...... MSC-19651 B79-10236 06 ...... LEWIS-13034 B79-10312 01 ...... MSC-18527 679-10390 06 ...... NPO-14653 B79-10237 06 ...... LEWIS-13035 879-10313 01 ...... NPO-14443 879-10391 06 ...... GSFC-12513 679-10238 06 ...... LEWIS-13036 B79-10314 01 ...... MSC-18471 679-10392 06 ...... LEWIS-12981 879-1023906 ...... KSC- 11090 879-10315 01 ...... M-FS-25087 879-10393 06 ...... LEWIS-13129 679-10240 06 ...... LANGLEY-12391 B79-10316 02 ...... ARC-10984 B79-10394 06 ...... NPO-14570 879-10241 06 ...... MSC-16132 879-10317 02 ...... MSC-12697 B79-10395 06 ...... LEWIS-12994 679-10242 06 ...... MSC-18022 679-10318 02 ...... ARC-11275 679-10396 06 ...... LEWIS-12861 679-10243 06 ...... LEWIS-13091 879-10319 02 ...... MSC-18399 879-10397 06 ...... LANGLEY-12501 879-10244 06 ...... M-FS-25093 679-10320 02 ...... MSC-16922 B79-10398 06 ...... LANGLEY-12524 879-10321 B79-10245 06 ...... M-FS-23826 02 ...... MSC-16683 879-10399 06 ...... LANGLEY-12490 679-10322 02 ...... NPO-13091 679-10246 06 ...... M-FS-251 10 B79-iO323 02 ...... GSFC-12365 B79-1040007 ...... GSFC-12415 879-10247 06 ...... LANGLEY-12229 879-10324 02 ...... NPO-14435 679-10401 07 ...... MSC-19514 679-10248 06 ...... LANGLEY-12479 679-10325 03 ...... MSC-18196 879-10402 07 ...... NPO-14529 679-10249 06 ...... NPO-14312 B79-10326 03 ...... GSFC-12348 679-10403 07 ...... MSC-18365 B79-1025006 ...... LANGLEY-12441 679-10327 03 ...... MSC-18373 B79-10404 07 ...... MSC-18488

1-56 TECH BR/EF/ OR/GINA TING CENTER NUMBER INDEX

B79-10405 07 ...... NPO-14655 879-1048203 ...... M-FS-23845 B79-10559 08 ...... FRC-i0111 B79-10406 07 ...... GSFC-12429 B79-10483 03 ...... M-FS-23830 879-10560 08 ...... MSC-16459 879-10407 07 ...... NPO-14597 879-10484 03 ...... M-FS-25196 879-10561 08 ...... MSC-18489 879-10408 07 ...... M-FS-23777 879-10485 03 ...... NPO-14638 879-10562 08 ...... M-FS-23541 B79-10409 07 MSC-15994 879-10486 03 ...... LANGLEY-12242 879-10563 08 ...... GSFC-12515 879-10487 03 ...... LANGLEY-12255 679-10564 08 ...... MSC-16059 879-10410 07 ...... MSC-16043 879-10488 03 ...... LANGIEY-12349 879-10565 08 ...... MSC- 1 9531 B79-10411 07 ...... LEWIS-12987 879-10489 03 ...... LANGLEY-12350 B79-10566 08 ...... LEWIS-12976 879-10412 07 ...... NPO-14497 B79-10490 03 ...... LANGLEY-12351 879-10567 08 ...... M-FS-25050 B79-10413 07 ...... MSC-16151 879-10491 03 ...... LANG LEY- 12405 879-10568 08 ...... M-FS-19494 879-10414 07 ...... MSC-18134 879-10492 03 ...... GSFC-12519 879-10569 08 ...... M-FS-19347 879-1041507 ...... KSC-1 1105 879-1049303 ...... LANGLEY-12589 879-1057008 ...... MSC-19524 879-10416 07 ...... MSC-18450 879-10494 03 ...... GSFC-12552 879-10571 08 ...... MSC-19623 879-10417 07 ...... MSC-18040 B79-10495 03 ...... M-FS-25189 879-10572 08 ...... M-FS-19326 879-10418 07 ...... MSC-18415 879-10496 03 ...... M-FS-25300 879-10573 08 ...... M-FS-19455 879-10419 07 ...... MSC-12731 879-10497 03 ...... M-FS-25310 879-10574 08 ...... M-FS-19379 879-10420 07 ...... MSC-16647 879-10498 03 ...... M-FS-25338 B79-10575 08 ...... MSC-17415 879-10421 07 ...... NPO-14717 879-10499 03 ...... M-FS-23645 879-10576 08 ...... MSC-19572 679-10422 07 ...... LANGLEY-12453 879-10500 03 ...... LEWIS-13097 B79-10577 08 ...... LANG LEY- i 1441 879-10423 08 ...... NPO-14146 879-1050103 ...... KSC-1 1113 679-10578 08 ...... M-FS-19354 679-10424 08 ...... MSC-18455 879-10502 04 ...... MSC-16258 879-10579 08 ...... M-FS-19365 879-1042508 ...... LANGLEY-12363 879-1050304 ...... KSC-1 1135 679-1058008 ...... M-FS-19364 679-10426 08 ...... MSC-18368 879-10504 04 ...... LANGLEY-12249 879-10581 08 ...... M-FS-19428 879-10427 08 ...... LANGLEY-12240 879-10505 04 ...... ARC- 11244 679-10582 08 ...... M-FS-25181 679-10428 08 ...... MSC-19525 879-10506 04 ...... M-FS-23368 879-10583 08 ...... LEWIS-12721 679-1042908 ...... MSC-18437 879-10507 04 ...... ARC-1 1170 B79-10584 08 ...... LANGLEY-12523 679-10430 08 ...... M-FS-25132 679-10508 04 ...... M-FS-23816 879-10585 08 ...... M-FS-25083 879-10431 08 ...... M-FS-25176 679-1050904 ...... MSC-16235 879-1058608 ...... LANG LEY-1 1942 B79-10432 08 ...... NPO-14453 879-10510 04 ...... MSC-18543 B79-10587 08 ...... MSC-19664 879-1043308 ...... LEWIS-13147 879-10511 04 ...... M-FS-23946 879-1058808 ...... M-FS-25089 879-10434 08 ...... NPO-14419 879-10512 04 ...... M-FS-23359 B79-10589 08 ...... M-FS-25079 879-10435 08 ...... NPO-14747 879-10513 04 ...... LANGLEY-12439 B79-10590 09 ...... LANGLEY-12126 879-10436 09 ...... LANGLEY-12492 679-10514 04 ...... LANGLEY-12381 879-10591 09 ...... M-FS-25125 679-1043709 ...... KSC-1 1054 879-1051505 ...... LANGLEY-12520 B79-10592 09 ...... GSFC-12367 679-10438 09 ...... NPO-13777 B79-10516 05 ...... MSC-18522 879-10593 09 ...... M-FS-25095 679-10439 09 ...... FRC-10121 879-10517 05 ...... GSFC-12507 679-10440 09 ...... FRC-101 14 679-10518 05 ...... NPO-14329 679-10441 09 ...... LANGLEY-12454 879-10519 06 ...... M-FS-25180 879-10442 09 ...... MSC-18178 879-10520 06 ...... LEWIS-13037 679-10443 09 ...... NPO-14105 679-10521 06 ...... LEWIS-13265 879-10444 01 ...... LANGLEY-12530 679-10522 06 ...... MSC-18490 B79-10445 01 ...... FRC-10090 879-10523 06 ...... M-FS-22706 679-10446 01 ...... MSC-12698 679-10524 06 ...... M-FS-25127 879-10447 01 ...... NPO-14530 879-10525 06 ...... NPO-14698 679-10448 01 ...... MSC-14968 879-10526 06 ...... LANGLEY-12428 879-10449 01 ...... M-FS-25025 879-10527 06 ...... MSC-18495 679-10450 01 ...... MSC-18513 679-10528 06 ...... MSC-16305 879-10451 01 ...... NPO-14614 679-10529 06 ...... MSC-18202 679-10452 01 ...... MSC-14934 879-10530 06 ...... MSC-19669 B79-10453 01 ...... MSC-16907 679-10531 06 ...... ARC-11289 879-10454 01 ...... MSC-16890 879-10532 06 ...... MSC-18389 B79-10455 01 ...... M-FS-25329 679-10533 06 ...... M-FS-19423 879-10456 01 ...... M-FS-25243 879-10534 06 ...... MSC-19511 879-10457 01 ...... M-FS-25344 879-10535 06 ...... MSC-18371 879-10458 01 ...... M-FS-25245 879-10536 06 ...... M-FS-25129 679-10459 01 ...... M-FS-25246 679-10537 06 ...... LEWIS-12826 879-10460 01 ...... M-FS-15247 879-10538 06 ...... LEWIS-12914 879-10461 01 ...... M-FS-25248 679-10539 06 ...... M-FS-25122 879-10462 01 ...... M-FS-25249 879-10540 06 ...... MSC-18476 679-10463 01 ...... M-FS-25250 679-1054106 ...... ARC-1 1215 879-10464 01 ...... M-FS-25266 879-10542 06 ...... LANGLEY-12446 879-10465 01 ...... M-FS-25268 679-10543 06 ...... LANGLEY-12354 679-10466 01 ...... M-FS-25270 879-10544 06 ...... LANG LEY- 12557 679-10467 01 ...... M-FS-25271 879-10545 06 ...... LANG LEY- 12516 B79-10468 01 ...... M-FS-25272 879-10546 06 ...... LEWIS-13248 879-1046901 ...... M-FS-25273 679-10547 07 ...... ARC- 11256 879-1047001 ...... M-FS-25274 679-10548 07 ...... MSC-19635 879-10471 01 ...... M-FS-25275 879-10549 07 ...... LEWIS-13195 879-10472 01 ...... M-FS-25276 679-10550 07 ...... MSC-18467 879-10473 01 ...... M-FS-25277 679-10551 07 ...... MSC-19550 879-10474 01 ...... M-FS-25278 879-10552 07 ...... KSC-1 1146 879-10475 01 ...... M-FS-25279 679-10553 07 ...... M-FS-22957 879-10476 02 ...... MSC-18516 B79-1047702 ...... LANGLEY-1 1952 87- 4 - - B79-10478 02 ...... GSFC-12203 879-10555 07 ...... M-FS-19473 879-10479 02 ...... KSC- 11096 879-10556 08 ...... MSC-14981 B79-1048002 ...... LANG LEY-1 1958 879-1055708 ...... LANG LEY-1 1950 B79-10481 03 ...... LANGLEY-12496 879-10558 08 ...... LANG LEY-1 1590

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