Factsheet Aglite
Silver Alloy Wire for LED Device and IC Packaging
Benefits
A cost-effective alternative to gold wires Good reflectivity surface
Good bondability with both N2 and forming gas Good mechanical properties Good reliability performance
Hardness vs Au
Vickers Hardness
100100100 Wire partWire part 80 60 Ball partBall part 40 20 Recommended Technical Data of 0 4N Au AgLite Diameter Microns (µm) 15 17.5 20 23 25 30 38 Wire part 71.5 83.86 Ball part 60.5 54.9454.9454.94 Mils 0.6 0.7 0.8 0.9 1.0 1.2 1.5 Elongation (%) 2 ~ 8 2 ~ 8 2 ~ 8 2 ~ 8 2 ~ 8 2 ~ 8 2 ~ 8 Breaking Load (g) > 3 > 4 > 6 > 8 > 10 > 14 > 20
For other diameters, please contact Heraeus Bonding Wires sales representative.
Electrical Resistivity Stitch Pull Test
6 12
5
4 9
3 Resistivity [µ ⍀ cm]
2 Bonded ball pull [µm] 6
1
0 3
CompA CompB CompA CompB Physical Properties
Diameter Mils 0.6 0.7 0.8 0.9 1.0 1.2 1.5 Grain Size (µm) Ball 2 ~ 6 2 ~ 6 2 ~ 6 2 ~ 6 2 ~ 6 2 ~ 6 2 ~ 6 Wire 1 ~ 3 1 ~ 3 1 ~ 3 1 ~ 3 1 ~ 3 1 ~ 3 1 ~ 3 Hardness Hv based on 1.0 mil FAB 50 – 60 50 – 60 50 – 60 50 – 60 50 – 60 50 – 60 50 – 60 Wire 75 – 85 75 – 85 75 – 85 75 – 85 75 – 85 75 – 85 75 – 85 Wiesbaden_ HET15001-0516-1
HAZ length (µm) 50 ~ 100 60 ~ 110 70 ~ 120 80 ~ 130 90 ~ 140 100 ~ 150 110 ~ 160 Lunis, Fusing Current mA, Length = 10mm 250 280 310 340 370 470 640 Layout: Resistivity (µΩcm) 4.66 4.66 4.66 4.66 4.66 4.66 4.66 Recrystallization temp. (˚C) 400 ~ 480 400 ~ 480 400 ~ 480 400 ~ 480 400 ~ 480 400 ~ 480 400 ~ 480 Germany,
Melting Point (˚C) ~ 1150 ~ 1150 ~ 1150 ~ 1150 ~ 1150 ~ 1150 ~ 1150 in Printed Reu, N
Good FAB using N2 Gas Good looping capability Stable & Good IMC on Al pad
Time 0 hrs
Time 1000 hrs
10.0 µm 66.7 µm 100 µm
Target FAB: 34 µm Wire diameter: 18 µm Wire diameter: 18 µm Wire diameter: 18 µm Wire diameter: 18 µm Loop height: 4 mil Loop height: 10 mil Die: Al-1%Si-0.5%Cu, 1 µm Al EFO current: 30 – 40 mA Wire length: 2 mm Wire length: 2 mm HTS 200 °C @ 1000 hrs
N2 Gas flow rate: 0.3 – 0.5 LPM
Reflectivity vs Au_Theoretical Reflectivity vs Au_Experimental
100 100 alterations .
Al 80 80
60 60 the right to make technical Absolute [%] Reflectance [%] Au 40
40 reserve We
20 AgLite 20 4N Au Ag Ag Ag_salt water spray test Au 0 Au_salt water spray test Al 0 given here is valid. 300 400 500 600 700 800 200 nm 500 nm 1 µm 2 µm 5 µm data Wavelength [nm] Wavelength [nm] The
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The descriptions and engineering data shown here have been compiled by Heraeus using commonly-accepted procedures, in conjunction with modern testing equipment, and have been compiled as according to the latest factual knowledge in our possession. The information was up-to date on the date this document was printed (latest versions can always be supplied upon request). Although the data is considered accurate, we cannot guarantee accuracy, the results obtained from its use, or any patent infringement resulting from its use (unless this is contractually and explicitly agreed in writing, in advance). The data is supplied on the condition that the user shall conduct tests to determine materials suitability for particular application.