Amen to that brother!

Leland, a conformal coating seals in as well as out. Just because it cannot
move - like rust on a car - doesn't mean that it won't cause problems - what
happens to the paint you apply over a rusty car?...and you are talking about
the stuff you can see, what about the dross residues you cannot see?

--
Regards Graham Naisbitt

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> Yes, I would be very concerned. Anything trapped under conformal coating
> negates the use of it, especially as it is visible and totally
> uncontrollable.
>
> Brian
>
> Leland Woodall wrote:
>> All,
>>
>> Should I be concerned with conformally coated solderwave dross
>> contamination that spans over masked traces?  The normal service
>> environment of the product should not cause the material to fall free, and
>> none of the contamination is close enough to violate minimum electrical
>> clearance from soldered connections.
>>
>> I have representative photos if you'd like to see one...
>>
>> Many thanks,
>>
>> Leland Woodall
>> Quality Coordinator
>> Keihin Carolina System Technology, Inc.
>>
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