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