Electronics Forum: solder on gold (Page 1 of 226)

solder on gold fingers

Electronics Forum | Fri Jan 22 09:20:29 EST 2010 | jrr3434

Is there anyway to get solder off gold fingers besides replating them?

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

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 | Mon Apr 16 09:29:23 EDT 2001 | thrasher7

How do you handle wipe-downs at screen print? This is often a culprit. Just a thought..

solder on gold finger

Electronics Forum | Fri Apr 13 12:37:35 EDT 2001 | edylc

>>> gold finger was covered by a Kapton tape and it was done offline away from the Screen printer or rather from the SMT lines itself, we are using an ENIG Pcb's , the process doesnt need a wave soldering ....however at the final end of the line ,

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 fingers

Electronics Forum | Fri Jan 22 16:16:17 EST 2010 | stepheniii

My old boss bought some stuff to clean the lead off of gold fingers. At least that is what he thought it did. What it really did was remove the gold fingers. And quite well I might add. The short answer to your question is no. And if you replate mak

solder on gold fingers

Electronics Forum | Fri Jan 22 14:18:21 EST 2010 | davef

Search the fine SMTnet Archives to find threads like: * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=5127 * http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=9250

solder on gold finger

Electronics Forum | Tue Apr 17 09:53:57 EDT 2001 | edylc

Hi Thrasher7, We called it wash boards, any misprint from screen printer was at tight control ..and those wash boards when being flow down to the line have an identifier /marker , is a matter on isolation of the problem..... But I still can't think

solder stain on gold finguers

Electronics Forum | Fri Feb 23 10:07:32 EST 2001 | jmlasserre

I would like to have some advise or explaination about the IPC610 spec. Page 6-51 and 6-52 concerning the solder stains on gold finguers: On the page 6-51, it's recommended to inspect the gold finguers with the unaided eye, but on the page 6-52, th

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