Kathy

It is possible for SOME "no-clean" flux residues to sublimate over time
and then condense elsewhere in a sealed box. This is most likely if the
residues are in the warmest spot and the condensation in the coolest
spot.

Brian

> "Stillings, Kathy" wrote:
>
> A question for the experts...
>
> Is anyone using no-clean on hermetically sealed units?  I am running
> into an issue with flux contamination on a few solder joints in a unit
> that contains MIMICs and wedge bonds and is hermetically sealed.  The
> flux comes from a couple of magnet wire terminations in the unit.  Can
> anyone share some insight?

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