Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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I have a SAC305 preform with which I am attempting to bond a... - Apr 13, 2021 by JerryM
Sounds like you may have already found the issue: inconsist... - Apr 14, 2021 by SolderingPRO
In addition to confirming that the pad temperatures reach ab... - Apr 15, 2021 by JimPat
Sounds like you are getting oxidation of the nickel under th... - Apr 26, 2021 by KWalker
I have tried cleaning the pads. That was our first step. Ult... - Apr 27, 2021 by JerryM
@KWalker I think that could be the case. Though I read somew... - Apr 27, 2021 by JerryM
Jerry, just out of curiosity, why can't you use flux? Flux ... - Apr 27, 2021 by Evtimov
The fact that your cleaning didn't really help reinforces th... - Apr 27, 2021 by KWalker
No, you're correct. Nickel oxidation can be difficult to rem... - Apr 27, 2021 by KWalker
@Evtimov I can't use flux as the components being soldered c... - Apr 28, 2021 by JerryM
Could you share some pictures? Without any flux or paste, ho... - Apr 28, 2021 by DucHoang
PWB Bake out or other elevated temperture processes can caus... - May 17, 2021 by SMTA-64387881 SMTA