Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
during the failure analysis, how to etch the tin,nickle,and ...
- Oct 16, 2002
by
andy
Hey Mar,
Sounds serious!!! Poke around Buehler, Leco, or...
- Oct 16, 2002
by
davef
We generally etch the copper back slightly using a 50/50 mix...
- Oct 17, 2002
by
andy
andy