Electronics Forum | Wed Dec 08 06:14:50 EST 2004 | kanwal324
purchasing it will be cheaper as arrangemet of raw material will be difficult for you. iF you need address i can provide the same.
Electronics Forum | Thu Nov 10 21:33:17 EST 2022 | stephendo
So if you stored them in a nitrogen cabinet then you would reduce the O2 diffusion as well as keep moisture out of the boards.
Electronics Forum | Fri Nov 11 22:14:11 EST 2022 | kumarb
I would certainly test the boards but from our experience, the vacuum sealed in room temp, no issues at all with our PCBs sourced from Suntak / PCB Founder / Fastprint / Yaxinda / JLCPCB well past the 12 month mark. We building boards purchased 5-10
Electronics Forum | Thu Nov 17 20:19:00 EST 2022 | emeto
I need to back it up with a something like IPC standard. It seems to me that people have used boards that aged after the 12months period, however there is no information supported by studies that can show results in quality and reliability of the boa
Electronics Forum | Fri Nov 11 20:29:45 EST 2022 | emeto
SMTA-643865, this is great information. I recently found online IPC1601 table saying 12months + . I was wondering what the + means? My company wants to scrap ENIG boards for 20k just because they hit the 1 year mark. Boards are perfectly sealed, so I
Electronics Forum | Tue Nov 15 22:33:16 EST 2022 | kumarb
Yes, solderbility. I recall one case of a vendor we met at a past HK electronic fair. Pricing was ok, we selected them and ordered a batch of boards. After a few months of leaving the PCBs in a sealed package (vacuum), we attempted to use the PCBs. W
Electronics Forum | Wed Nov 16 21:35:07 EST 2022 | stephendo
" so I wander what can I do to save them?" The boards or management? Seriously I think this is more of a management issue than a technical issue. We can suggest what to do but if management does not accept that solution then it won't work. I'm not s
Electronics Forum | Thu Nov 17 21:52:27 EST 2022 | stephendo
You might be able to create a process that involves testing a sample before each run. But then you would need something showing that a given batch would be consistent enough to justify testing a pcb to prove the batch. Or if they accept SPC then you
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 | Thu Nov 30 00:41:23 EST 2017 | abhilash4788
Dear All, I have OSP finsh pcb on my production, the pcb thickness is 1.5mm and the product is one sideded pcba. After reflow process, Is there any specific time frame defined for smt completed OSP finish pcba before going for wave soldering proce