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August •1957 SAN JOSE Achilton P Hikation the Complete Job with Heavy-Duty Discaps...At No Added Cost!

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August •1957 SAN JOSE Achilton P Hikation the Complete Job with Heavy-Duty Discaps...At No Added Cost! Mar SAN RAFAEL RICHMOND ".0", •••••' -ye . SAN MATEO REDWOOD CITY LO ALTO STANFOW UN:7E1151r Met August •1957 SAN JOSE AChilton P_ hikation the complete job with heavy-duty discaps...at no added cost! / / / / / I RMC Type B DISCAPS are rated at 1000 V.D.C.W. and are offered at no extra cost over I lighter constructed by-pass ceramic capacitors. I They are ideal for any application where a steady or intermittent high voltage occurs and are available I in capacities between .00015 and .02 MFD. Type B DISCAPS exhibit a minimum capacity change between +10° C and +65° C. Write on your company letterhead for complete information on RMC DISCAPS. \ \ / DISCAP RADIO MATERIALS CORPORATION CERAMIC GENERAL OFFICE: 3325 N. California Ave., Chicago 18, III. CAPACITORS Two RMC Plants Devoted Exclusively to Ceramic Capacitors FACTORIES AT CHICAGO, ILL. AND ATTICA, IND. Circle 1 on Inquiry Card, page 109 The "4-Layer Diode" 58 Nobel prize win- ELECTRONIC ner Dr. William Shockley de- scribes his latest INDUSTRIES development, the & TELE -TECH "Four-Layer Di- ode," a unique bistable semicon- Vol. 16, No. 8 August, '1957 ductor. MONTHLY NEWS ROUND-UP Radarscope: What's Ahead for the Electronic Industries 2 Which P-C Board? 72 As We Go To Press 5 In choosing base Coming Events 11 materialsfor TOTALS: Late Marketing Statistics 12 printed capaci- Electronic Industries' News Briefs 16 tors, dissipation Washington News Letter 84 factor and loss New Western Technical Data 118 factor must be New Tech Data for Engineers 122 considered in ad- dition to conven- The Electronic Industries As Viewed By Western Leaders.... 51 tional capacitor Ballistic Missiles and Manned Aircraft.. Mai. Gen. Bernard A. Schriever characteristics. Engineering Recruitment — 1957 Chas. F. Horn Missiles, Electronics and Systems Engineering Dr. Simon Ramo In the San Francisco Area Calvin Townsend In the Los Angeles Area Hugh P. Moore Satellite Magnetometer 76 In the San Diego Area Richard T. Silberman The characteris- For the 7th Region, IRE Meyer Leifer tic frequency of Unique Properties of the 4-Layer Diode Dr. William Shockley 58 precessing pro- Germanium Rectifiers As Electronic Components Jos. T. Cataldo 61 tons in a weak Electronic Spotlight on WESCON — Aug. 20 64 magnetic field New Products At WESCON 67 serve as a mea- sure of the earth's Signal Enhanced Delay Line T. I. Humphreys 70 field. Sensing ele- Evaluating Base Materials For Printed Capacitors.. J. J. Logan 72 ment is a coil of Minimizing Mismatch Loss Dr . Hans E. Hollmann 74 wire and bottle A Magnetometer For the Satellite Dr . A. L. Bloom & L. E. Johnson 76 of water. What's New 79 Effects of Radiation on Semiconductors Dr. John W. Clark 80 New Western Products 86 Radiation Cr Transistors 80 1957 Directory of Western Electronic Industries 101 Elaborate facili- Directory of West Coast Reps & Distributors 130 ties have been International Electronic Sources 89 constructed to test electronic NEW ELECTRONIC EQUIPMENT components un- der nuclear en- New Products . for the Design Engineer 82 vironments. First New Products . West Coast 86 reports are now available on New Products . .for the Electronic Industries 114 semiconductors. DEPARTMENTS Tele -Tips 22 Books 30 ELECTRONIC INDUSTRIES & Tele -Tech, Aug. Industry News 46 Personals 173 1957. Vol. 16, No. 8. A monthly publication of Chilton Co. Executive, Editorial & Advertising News of Reps 48 offices at Chestnut & 56th Sts., Phila., Pa. Ac- cepted as controlled circulation publication at Phila., Pa. 75$ per copy, except June (Direc- tory issue, $3.00. Subscription rates U. S. and U. S. Possessions: I yr. $5.00; 2 yrs. $8.00; 3 yrs. $10.00. Canada I yr. $7.00; 2 yrs. $11.00; 3 yrs. $14.00. All other countries I yr. $10.00; 2 yrs. $16.00. Copyright 1957 by Chilton Company. Title Reg. U. S. Pat. Off. Reproduction or reprinting prohibited except by written authorization. ELECTRONIC INDUSTRIES & Tele-Tech • August 1957 1 RADARSCOPE NEW TV BROADCAST PACKAGE offered by Hall- amore Electronics Co., a division of the Siegler Corporation, Anaheim, California, is a complete one- man TV program center. Included in the center is all equipment necessary to telecast live, filmed, or remote programs. The $15,000 package includes a master console, with combined audio and video con- trol equipment; both film and slide projection equip- ment; audio and record turntable facilities; one or more cameras, which can be operated by remote control from the master console; and all necessary transmitting circuitry. It is specifically designed for one-man operation, including controls so one man can operate cameras remotely—turning them on himself for commercial, news, or other announce- ments. HYDROGEN FUSION PROGRESS is reported by Swedish scientists. Researchers at Uppsala Univer- sity have attained brief high-current discharges in deuterium, an essential step in proposed fusion re- CONTOUR PROJECTOR actors, with technical equipment costing only $1,200. A variety of large pieces with intricate shapes may have their pro- files or surfaces enlarged for examination as much as 100 times with this 30-inch-screen Kodak contour projector at IT&T Standards TAPE-STORED ADDRESSES will be a feature of Laboratory. a new automatic addressing system to be announced soon by a major business systems manufacturer. Names and addresses will be placed on magnetic tape rather than the usual steel address plates. The "SOLION" CHALLENGES TRANSISTOR by per- tape is prepared and played back on an Ampex forming many of the functions now handled by digital tape recorder. tubes and transistors. This Navy-developed, elec- trochemical device depends on ion movement in a solution, instead of in a gas, vacuum, or solid. The SILICON SUN BATTERY ions flow in an iodine solution. A fascinating char- New 18 by 18 inch sun battery developed by International Rectifier acteristic of the new device is that current through Corporation, El Segundo, California, converts solar energy to elec- it can be altered directly by changes in tempera- trical current for a wide variety of applications. The large battery ture, pressure, light, sound, acceleration, or radia- will be demonstrated at this month's WESCON conference. tion. Early military applications are predicted by Naval Ordnance Laboratory workers, who see pos- sibilities of cheaper, smaller, and simpler electronic control systems. GIANT RADIO-TELESCOPE is being completed in England. It is the largest steerable radio-telescope in the world, is valued at more than $2 million. The reflector is 250 feet in diameter, weighs 750 tons, towers 215 feet above the ground. Tracking rate of this mammoth telescope is great enough to track the earth satellites to be launched during IGY. BREAKER POINTS are elimnated in the new igni- tion system developed by Commonwealth Engineer- ing Co., of Ohio. The new device is reportedly inexpensive, and small enough to be installed be- neath the dash of present vehicles without requiring any major changes in other equipment. 2 ELECTRONIC INDUSTRIES & Tele -Tech • August 1957 Analyzing current developments and trends throughout the electronic industries that will shape tomorrow's research, manufacturing and operation MORE VERSATILE ENGINEERS are needed for See You at WESCON! the growing technical revolution, says Willard F. This year ELECTRONIC INDUSTRIES & Tele -Tech will oc- Rockwell, Jr., president of Rockwell Manufacturing cupy booth 3011. R. E. McKenna, Publisher; B. F. Osbahr, Company. The successful engineer of today must Editor; B. W. Olson, Regional Manager, Los Angeles; D. May, deal with sales, marketing, cost accounting, public Regional Manager, San Francisco, are among the staff mem- relations, and other company functions. Among the bers scheduled to be in attendance. We welcome the oppor- tunity to meet our readers personally and we hope you will personal attributes for which the engineer must visit us while you attend the show! strive is objectivity in his dealings with company management. He must be ready to dissent if engi- AUTOMATIC CIRCUIT ANALYZER developed by neering facts are at odds with management deci- Republic Aviation Corp. can check aircraft electri- sions. cal circuits at a rate of twenty per second. In prac- tice, the set can check out 1,200 circuits in less than a minute. If there are no short circuits, the set NEW MEMORY MATERIAL has been developed at zips through its test routine and stops. If a short, Bell Labs. The chemical, triglycine sulphate, has a open, or wrong connection is detected, the set halts rectangular voltage hysteresis loop making it use- and flashes a light representing that circuit on the ful for ferroelectric applications such as switching control panel. After the ailing circuit is noted, the and memory devices. The new material has a lower operator pushes an override button to continue the coercive field (220 v/cm) than previously discovered test. ferroelectrics and can be formed into thin slabs TRANSPARENT MAGNETIC TRACK can be super- which can be switched with about 20 volts. Such imposed on full-width optical track without inter- low voltages make the new memory material suit- ference. The Signal Corps has discovered that the able for use in transistorized circuits. One promis- iron-oxide magnetic stripe is highly transparent to ing technique involves evaporating matrixed elec- infra-red light, enabling red-sensitive photo-cells to trodes on opposite sides of a 5- to 10-mill slab of (Continued on page 14) triglycine sulphate, resulting in a memory or switching device capable of storing 900 or more HYDROGEN FUSION RESEARCH bits/square inch. Giant bank of capacitors being assemblec at GE's research lab in Schenectady, N. Y., will store large amounts of energy and discharge in short, sharp shocks during research into fusion power. A substan- COMMUNICATIONS tial research program to seek safe and inexpensive power from the fundamental process of the hydrogen bcmb has been undertaken.
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