Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
We are experiencing a problem with soldermask defined BGA pa... - Oct 14, 2004 by Matt Kehoe
Hi Matt, You've got an interesting problem. Sounds like so... - Oct 15, 2004 by Justin M
Hi Justin, Thanks for the feedback. We are inspecting wit... - Oct 15, 2004 by Matt Kehoe
Matt, are there any discoloration of the pads on the raw boa... - Oct 15, 2004 by mrmaint
sounds like you have a very thin layer of mask on some pads ... - Oct 15, 2004 by RDR
Thats what I was thinking especially because the pads are no... - Oct 15, 2004 by Matt Kehoe
Matt, Had a similar problem with HASL that wasn't fluxed ... - Oct 15, 2004 by
Hi Matt, Sounds like the HASL may be to thin on some pads... - Oct 20, 2004 by
Not really. Our process is a solid solder deposition applica... - Oct 20, 2004 by Matt Kehoe