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