SMT electronics assembly manufacturing forum.
We're testing this PCB in 40C 93RH to see if we get ECM or C... - Apr 04, 2019 by TeejSD
I wonder if this discoloration isn't delamination. I'd discu... - Apr 10, 2019 by davef
Closer pics at angle would seem to support soldermask delam.... - Jun 07, 2019 by TeejSD
ask your supplier to make micro-section to check whether it ... - Jun 21, 2019 by alanyang
Even 93% humidity, it will has no condensed water film insid... - Aug 23, 2019 by sssamw