Electronics Forum | Sat Dec 09 08:32:25 EST 2006 | davef
Thoughts are: * Most board fabs have routers that can do this work. Can yours rework these boards? * Scrap the boards and start anew. Someone made a mistake. Cut your losses. * As a wild and crazy guy alternative, buy a router with a 45* bit from
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 ,
Electronics Forum | Sun Jul 26 20:56:43 EDT 1998 | Masdi Muhammad
We are trying to reduce the number of units fail at system test due to flux on gold finger. We know so far that the flux is deposited onto the goldfinger during touch-up or rework and to reduce the contamination we are planning to implement 'tapin
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..
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
Electronics Forum | Fri Feb 02 12:05:54 EST 2001 | slthomas
There used to be a thread on this very topic in the archives, but I'll be danged if I can find it. One company name I've forgotten and lost, but their product name is Gold Finger Gloves, I think. I sent them an email and left a voice mail message i
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
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.
Electronics Forum | Sun Sep 17 22:50:20 EDT 2000 | Sartor
I am looking for a solution for gold finger cleaning and repairing.Can anyone recommend good solution(s)?Also,can anyone recommend a good flux paste source(s)?Thanks.
Electronics Forum | Thu Jul 20 03:00:53 EDT 2006 | reypal
If you are using SMT machine for component placement you may check your nozzle where in some cases solder paste stuck to it and during placement will easily get into gold pad area. otherwise you have use kapton tape in order not to expose those pads.
