Electronics Forum | Mon Jan 08 03:16:12 EST 2007 | oswald5087
hi' i need advise on immersion gold PCb shelf life. 1) what is the issue shelf life or expire for Immersion gold PCB? 2) How long we can keep the PCB? (with vacuum seal and without vacuum seal) 2) iF PCB expire, can we bake the immersion PCB? what t
Electronics Forum | Wed Apr 13 05:48:52 EDT 2005 | charly
hi' i need advise on immersion silver PCb shelf life. 1) what is the shelf life for Immersion silver PCB? 2) iF PCB expire, can we bake the immersion PCB? what temp & duration? 3) How long can we keep the pCB again after rebaking? (with vacuum seal)
Electronics Forum | Tue Dec 12 19:57:56 EST 2017 | myke03o
Hi Experts. We have an expired OSP pcb and we wanted to extend the shelp life. Is it possible to rework the PCB by removing the OSP coating, micro etching and re-applying OSP finish. Any advice if this can be done? Any solution for this OSP pcb e
Electronics Forum | Wed Jan 30 17:49:41 EST 2002 | davef
PCB never expire, they just become more difficult to solder. [Many shops impose �shelf life� periods for their boards, but they aren�t going to discard the boards if the exceed the limits, unlike they would with some other process materials.] IDENT
Electronics Forum | Wed Jan 30 05:36:04 EST 2002 | vincent_f
Hello everybody, I would like to use PCB which have expired. I have already planned to bake them in order to avoid pop corn effect but I wonder about some few items : 1) How can I identify the optimal baking parameters ? 2) Even after baking, is the
Electronics Forum | Wed Feb 14 15:54:18 EST 2018 | cbart
do you see signs of contamination or oxidation? if not why not just send them to the board house and have another OSP coating layer applied?
Electronics Forum | Sun Feb 20 20:52:26 EST 2011 | Jacki
I agreed not to ask the shelf life extension to the maker of solder paste. However, somtimes we have no chioce except using expired or used paste. When I have to, try the first PCB as a test. If Ok, just carry on other boards. Unless, use a new solde
Electronics Forum | Tue Feb 27 00:40:35 EST 2007 | ivap
We are into PCB testing and one of our customers has expensive foreign equipments whose warranty period has expired. He is looking to have them repaired locally. We found most of the problems are with the PCBs.
Electronics Forum | Fri Apr 04 08:49:45 EDT 2008 | ck_the_flip
Define "expired" though... 1 week? 6 weeks? 1 month? 6 months? Unrefrigerated life is generally 30 days. If paste has been stored refrigerated at manufacturer recommended temperatures, what would you guys do, like say, if you owned your own shop
Electronics Forum | Wed Apr 06 04:18:03 EDT 2011 | emmanueldavid
TK, Hope you got it right only for this round of assemblies. Well, passing through a Reflow belt is not an ultimate process to dry circuit cards & take out moisture from Solder finished layers. First of all, if the packs were not unsealed (even s
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