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
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
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
Electronics Forum | Tue May 15 21:57:06 EDT 2001 | davef
Welcome!!! Where the hay ya been??? Sorry bud, were lining-up with your fab [it hurts me to say that, but when yer ] We used to dry pack with desiccants, also. Its probably an old MIL-STD-2073-1C requirement [er something like that]. We qui
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
Electronics Forum | Sun Jul 04 19:32:16 EDT 2004 | indy
What is the most popular PCB finish for lead-free soldering ? We are using ENIG and trying out Paladium-Silver. Are tin whiskers an issue for anyone ? tin whiskering becomes a big issue if you have any military company as your client. They still p
Electronics Forum | Mon Jan 24 11:17:30 EST 2022 | jineshjpr
Hi, Mainly concentrate on 2 subjects: 1- Cleaning of Misprinted PCB (always use best neutraliser to remove paste from PCB), 2- Underneath Stencil Cleaning - Use good stencil cleaner (rather than IPA) to wipe your stencil. Because both the above said
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.
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.
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.
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