Electronics Forum: gold finger plating (Page 1 of 84)

Gold plating thickness on gold finger

Electronics Forum | Thu Oct 07 20:34:48 EDT 1999 | Tony Huang

Hi, Does anybody know what is the minimum gold plating thickness on the PCB goldfinger required by the industrial specifications - IPC, Bellcore, etc. Where can I find the information? Appreciate for the help! Thanks, Tony

Re: Gold plating thickness on gold finger

Electronics Forum | Fri Oct 08 17:12:31 EDT 1999 | Dave F

Hi, Does anybody know what is the minimum gold plating thickness on the PCB goldfinger required by the industrial specifications - IPC, Bellcore, etc. Where can I find the information? Appreciate for the help! Thanks, Tony Hi Tony:

solder on gold finger

Electronics Forum | Fri Apr 13 22:38:19 EDT 2001 | edylc

Hi , Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape....?? You mean , the adhesive properties of the kapton tape will cause the gold plating on the gold finger to be somehow peel of

solder on gold finger

Electronics Forum | Fri Apr 13 13:45:25 EDT 2001 | gsmguru

Just a guess-- Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape ? This should be easy to verify. Otherwise it sounds like things are pretty much covered.

solder on gold finger

Electronics Forum | Tue Apr 17 21:30:27 EDT 2001 | davef

The issue is on the table. Which is it? Are you ... * Loosing your gold plate when you remove the tape? [A tape test is a standard test for evaluating gold fingers. Check IPC-TM-650, test number wachacallit. Checkitaut.] OR * Putting tape o

Poor reflow over gold plating

Electronics Forum | Tue Jun 28 18:20:49 EDT 2005 | russ

Matt, have you run a profile on this board? Just because it's .062" doesn't mean that any old .062" profile will work. We have .062" thick boards that almost nil for copper and other are utilizing 2 oz. layers internally. They require quite diffe

About the PCB gold finger contamination.

Electronics Forum | Thu Sep 19 21:17:50 EDT 2002 | Sam

We had encountered similar problem before. But the cause was found out to be the poor good plating, instead of contamination. The way we dealt with that was sending them to the supplier for rework. It may be the fastest and most relaibility way. Goo

About the PCB gold finger contamination.

Electronics Forum | Thu Sep 19 17:14:02 EDT 2002 | davef

Comments are: * Use an eraser if the surface of Au is not clean, but make sure the eraser has no/low ionics (such as sulfur that is a common additive for rubber). * If the plating surface required eraser to remove the top surface, the plasma normally

Solder on gold finger

Electronics Forum | Tue Jul 18 22:11:13 EDT 2006 | davef

Aping Russ' reply: * ~70% of the time solder on gold fingers is caused by poor printing and handling processes. * ~25% of the time solder on gold fingers is caused by poor thermal recipe when soldering. * ~5% of the time solder on gold fingers is cau

Solder on gold finger

Electronics Forum | Tue Jul 18 10:08:19 EDT 2006 | pms

kapton tape the gold fingers before reflow.........

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