If baking is required, mandatory for polyimide or customer directed...

We bake at 125C for 3-4hrs then:

1.  process through automated soldering (wave or reflow) within 24 hours
2.  hand solder within 96 hrs
3.  place in a dry box until needed
4.  If time out of oven (not in dry box) exceeds req. 1 or 2 we rebake.

We follow the same time guidelines for usage for moisture sensitive parts but
bake per manufacturer's guidelines/moisture sensitivity indicated on the
packaging.  (example:  partial tray of QFPs comes in opened => questionable
moisture level => bake and place in dry box)

Regards,
Mike Sewell

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