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1、(u I o 7- m E I A CB-12 90 9 3234600 0000070 T 9 - * c EIA ENGINEERING .U-EXN - . . Gold Plating Study Test Report CB-12 SEPTEMBER 1990 ELECTRONIC INDUSTRIES ASSOCIATION ENGINEERING DEPARTMENT Copyright Electronic Components, Assemblies -. Copyright Electronic Components, Assemblies r Copyright Elec
2、tronic Components, Assemblies fretting motion, dry oxidation, wet oxidation and diffusion, or a combination thereof. influenced by normal force, contad geometry, presence of wear debris and the plating integrity. possible failure mechanisms were beyond the scope of this project. For a concise s, the
3、 data as shown in the basic sm table was arbitrarily ranked as follows: These mechanisms can be The latter factors as well as investigation of the Change in LLCR Rank 50.0 1 2 3 5- 7 10 Said r,anking was assigned to the maximum observation. I a Copyright Electronic Components, Assemblies LcR ( Milli
4、ohms 50 - AvgE +0.6 +2.4 Plating Thickness A (Unmat&) (Microinches ) 30 AvgE +0.8 +3.3 +1.3 +4.2 B (Mated) +0.1 +1.2 +0.6 +3.2 +0.5 +4.1 C (Durability) Low (250 cycles) Std (500 cycles) High (625 cycles) +0.6 +2.3 +0.9 -+2.6 +1.2 +4.5 +0.7 +4.5 +1.3 +8.8 +0.9 +8.7 +0.6 +1.8 +1.4 +4.4 +1.0 +8.4 D (Du
5、rability/Vibration ) Low (250 cycles) Std (500 cycles) High (625 cycles) E (Vibration) +1.3 +5.2 +1.2 +3.1 +1.7 +5.3 +1.0 +2.7 +1.0 +2.9 +0.9 +2.7 +1.0 +2.5 +1.0 +3.2 +1.5 +5.0 +1.5 +3.0 +1.4 +2.8 +1.1 +4.4 Change in LLCR ( Milliohms ) Plating Thickness (Microinches A (Unmat&) +0.2 +1.6 +1.1 +4.6 +0
6、.5 +2.9 B (Mated) +0.5 +1.9 +1.3 +4.2 +1.0 +2.9 C (Durability) Low (250 cycles) +0.9 +2.0 Std (500 cycles) +1.2 +5.4 High (625 cycles) +1.2 +3.4 D (Durability/Vihration) Low (250 cycles) . +1.8 +2.7 High (625 cycles) +1.6 +4.5 Std (500 cycles) +1.3 +4.1 +1.2 +4.2 +0.9 +2.3 +1.2 +4.2 +0.7 +2.0 +1.3 +
7、3.5 +0.9 +3.4 c1.2 +3.1 +1.5 +6.1 +0.7 +2.0 +0.9 +2.7 +1.0 +4.2 +1.5 +2.1 I E (Vibration) +1.1 +2.2 +1.2 +2.1 +0.8 +1.3 Copyright Electronic Components, Assemblies & Materials Association Provided by IHS under license with ECA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/2
8、9/2007 21:57:09 MDTNo reproduction or networking permitted without license from IHS -,-,- _ _ E I A CB-12 90 m CB-12 , Page 22 Plating Thickness (Microinches 323 4bOO O00 0094 2 m SALT S P F Y 48 HOURS Change in LLCR (Milliohms 20 - 30 AvqE 50 m% A (Umted) +O.O +0.6 +0.1 +1.0 +0.3 +0.9 B (Mated) +0.
9、1 +0.3 +0.4 +1.7 +0.4 t1.0 C (urability) Low (250 cycles) +0,3 +2.6 +0.5 i-1.8 +0.1 +1 .o Std (500 cycles) +O.O +2.8 +Oe0 +la6 +o.o +1.4 High (625 cycles) +0.6 +3.5 -0.1 + 3 . 1 +0.3 +1.7 D (Durability/Vibration) +0.7 +1.2 Std (500 cycles) +0.8 +3.3 +1.2 +1.6 +0.5 +1.5 Low (250 cycles) +0.1 +1.8 +0.
10、1 Cl.1 High (625 cycles) +0.4 +1.4 -0.1 +1.6 +0.2 +1.3 E (Vibration -0.1 +2.0 +0.1 +1.9 +0.2 +0.4 SALT SPRAY 240 HOURS Change in LLCR (Milliohmc 20 30 50 Plating Thickness - ( Microinches ) Avge = - M a x - AvgB +0.2 +1.1 A (Umted) +0.7 +2.0 t0.6 +2.5 +0.9 +1.9 . +0.8 +2.3 +0.8 +2.1 B (Mated) C (Dur
11、ability) Low (250 cycles) +0.7 +2.0 tl.O +2.6 +0.4 +1.4 +0.4 +2.5 +0.3 + 2 . 1 +0.8 +5.1 Std (500 cycles) High (625 cycles) +0.6 +2.5 +0.5 +2.0 +0.1 +2.4 D ( Durability/Vibration Low (250 cycles) +1.0 +3.9 +0.4 +2.3 +0.8 + 2 . 1 High (625 cycles) +0.3 +1.8 +1.0 +2.5 +0.6 +1.6 Std (500 cycles) +0.7 +
12、3.4 +0.5 +1.0 +0.7 +2.5 E (Vibration) +0.7 +2.5 +0.2 +1.6 +0.4 +2.5 Copyright Electronic Components, Assemblies & Materials Association Provided by IHS under license with ECA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:57:09 MDTNo reproduction or networking per
13、mitted without license from IHS -,-,- I EIA CB-12 90 3234600 0000095 4 = . ._ CB-12 Page 23 PLATING THICKNESS All suppliers certified that the thickness requirements as specified were met. POROSITY Data as supplied indicated the following pore counts as follows: Average Porosity Count Thickness 20/2
14、9 30/39 50/59 Pin contact 6 10 3 Socket contact 10 15 5 All other plating attributes were certified as being within the specified requirements. I Copyright Electronic Components, Assemblies & Materials Association Provided by IHS under license with ECA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:57:09 MDTNo reproduction or networking permitted without license from IHS -,-,-