Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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We found stains on the boards come out of reflow oven. The b...
- Apr 15, 2010
by
RichardLi
Your picture is not very useful in conveying the stains. Co...
- Apr 16, 2010
by
davef
Looks like a simple variance in the solder mask discoloring....
- Apr 16, 2010
by
Shawn Vike
We have asked the supplier use whiter soldermask taking more...
- Apr 16, 2010
by
RichardLi
White solder mask does have a tendency to yellow within the ...
- Apr 16, 2010
by
BoardHouse
Have you tried running a few bare boards through the oven?
...
- Apr 16, 2010
by
Stephen
It could be the flux condensed in the oven. We plan to clean...
- Apr 16, 2010
by
RichardLi
If you are trying for a nice reflective surface you will get...
- Apr 16, 2010
by
isd.jww