Electronics Forum: finish pcb (Page 1 of 78)

Desiccants and pcb finish degradation?

Electronics Forum | Tue May 15 15:15:53 EDT 2001 | ohboy

Hi all, I just discovered this forum and I'm very impressed. We have a vendor who recently stopped placing desiccants in the vacuum packaging for our pcbs. (Yes, it's on the dwg!) His reasoning was that the desiccants can degrade the finish on the

Desiccants and pcb finish degradation?

Electronics Forum | Tue May 22 08:43:05 EDT 2001 | ohboy

Wow! I'm going to apply for something at Desiccare, I think... I found similar things about desiccants, but mostly material related stuff, also some concerns more about the indicator card than the desiccant. Nothing conclusive. At the moment, I

Desiccants and pcb finish degradation?

Electronics Forum | Wed May 16 08:48:12 EDT 2001 | ohboy

I been a bunch o' places...! Some good, some bad, re-inventing the wheel in many cases. Our specs are pretty specific in a lot of cases, but that doesn't mean they always get followed. It usually becomes a case of "It's not quite right, but we rea

Desiccants and pcb finish degradation?

Electronics Forum | Tue May 15 21:57:06 EDT 2001 | davef

Welcome!!! Where the hay ya been??? Sorry bud, were lining-up with your fab [it hurts me to say that, but when yer  ] We used to dry pack with desiccants, also. Its probably an old MIL-STD-2073-1C requirement [er something like that]. We qui

Desiccants and pcb finish degradation?

Electronics Forum | Mon May 21 17:32:23 EDT 2001 | davef

I said: "Our electronic circuit board fabricators seal the boards in moisture barrier bags [MBB]. We discontinued the use of desiccant bags in these MBB because of concerns about the desiccant releasing materials that would affect the solderability

Lead Free pcb finish Compatibility in leaded process

Electronics Forum | Fri Sep 08 03:37:54 EDT 2017 | m_imtiaz

there any problem if Lead Free finish PCB being process using Leaded Solder Paste...? It is totally related to the manufacturing process and quality of joint, not to any specific compliance issues related to the European Union, China or any. Regards

Lead Free pcb finish Compatibility in leaded process

Electronics Forum | Wed Feb 14 16:33:10 EST 2018 | cbart

nope!! i cant think of one!

osp finish

Electronics Forum | Wed Jan 21 05:01:10 EST 2004 | sd

Does anyone have any reports on OSP pcb finish and ICT Testing? Having a problem with contact issues.

PCB finish

Electronics Forum | Thu Jan 20 21:37:18 EST 2022 | charliedci

I agree it looks like that, but no solder has been on this area. We are asking the board house to get their input.

PCB finish

Electronics Forum | Wed Jan 19 19:14:12 EST 2022 | charliedci

Looking for opinions on pic attached of ENIG finish. appears to be over-etched gold, but I am not trained up on PCB fabrication.

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