Electronics Forum | Fri Dec 17 00:55:22 EST 2010 | kemasta
Hi Kim Dun take any risk in delamination bcoz u > will be the person to answer for being it. So, > we do bake all Pcbs, which have 3months of shelf > life, b4 startin any process although they are > still inside the factory packs. We keep it in
Electronics Forum | Fri Jun 18 10:46:10 EDT 1999 | Scott Cook
| | | first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads
Electronics Forum | Fri Jun 18 11:37:10 EDT 1999 | Earl Moon
| | | | first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pa
Electronics Forum | Fri Jun 18 11:33:16 EDT 1999 | Brian wycoff
| | first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads.
Electronics Forum | Mon Jan 05 18:03:04 EST 2004 | davef
You may struggle finding the information that you seek, because there is so much variability in the design and fabrication of boards. * What is the purpose of such a test? * What product type sees such an use environment? Consider using the guidelin
Electronics Forum | Fri Jun 18 15:04:19 EDT 1999 | Scott Cook
| Scott, | | I do hurt easy. Be gentle, at least that's what I tell all the women in my life though quickly diminishing supply - oops. I do not happen to believe this statement. I have seen you dodge many a penned "dart" on this very forum. Since I
Electronics Forum | Fri Jun 18 15:54:29 EDT 1999 | M Cox
| | Scott, | | | | I do hurt easy. Be gentle, at least that's what I tell all the women in my life though quickly diminishing supply - oops. | | I do not happen to believe this statement. I have seen you dodge many a penned "dart" on this very foru
Electronics Forum | Mon Nov 07 17:45:37 EST 2022 | emeto
Hello all, Can anyone advise if any standard covers ENIG plated boards shelf life? Or share what you do for bare boards storage and expiration criteria?
Electronics Forum | Fri Jan 06 00:03:10 EST 2023 | SMTA-64419298
Hello Evtimov, sorry...just saw post as I was looking through list...a bit late. I don't know if you ever got your answer. IPC-4552A covers EniG finishes and suggested shelf life. I've referred to these doc's quite a bit. Good spec's ! Yes, I beli
Electronics Forum | Mon Jul 22 15:02:31 EDT 2013 | dyoungquist
What is the pad surface finish on these boards? I know OSP and silver finishes have a shorter shelf life than HASL or gold. We do not use OSP or silver on our boards so I don't know what to look for visually on the pads when they have exceeded the
