Electronics Forum | Wed Jan 11 09:21:19 EST 2017 | rgduval
Do you have some pictures of the condition that you are facing? Your description of the issue sounds more like dewetting, rather than cold solder. A picture would help us better understand what you're facing. Cheers, ..rob
Electronics Forum | Tue Nov 05 09:57:45 EST 2013 | cuperpeter
Hello All, We have a problem with dewetting of solder paste. Problem is most visible on the pads without components (see attached pictures) and occurs randomly, 20% of PCB's. Pcb supplier sent us a cross-section of pads with thickness of Cu, Ni and
Heller Industries Inc. | https://hellerindustries.com/solder-balls-defects/
(overlapping solder mask) Misaligned solder mask (overlapping solder pad and print area) Flux is too weak for the oxidation level of the board and/or components Components have marginal solderability
