Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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Anybody see this kind of reject. The thru hole ring turns bl...
- Jun 15, 2016
by
twhoo
Looks like "black pad" issue. More about this here:
...
- Jun 30, 2016
by
Andrzej
As my fellow members are saying this is a bad mfg process, y...
- Jul 05, 2016
by
Armando_Gomez
ASPIS (Advanced Surface Protection for Improved Reliability ...
- Aug 02, 2016
by
davef
On a previous black pad experience we soldered a wire to a f...
- Aug 02, 2016
by
davef
analysis report is as attached. Pls let me know what you thi...
- Aug 22, 2016
by
twhoo
i also notice the carbon and oxygen is high on the defect? W...
- Aug 22, 2016
by
twhoo
I'd guess that "black pad" is not the issue that you need to...
- Aug 24, 2016
by
davef
As an OEM repiar tech I would run into "Black Pad" on occasi...
- Aug 29, 2016
by
JWNY_smt