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Reply To: | TechNet E-Mail Forum. |
Date: | Sat, 28 Aug 1999 18:05:36 -0400 |
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what is the time delay between the bake and the wave? Are the lot in the
same date code?
jk
At 10:37 AM 8/28/99 EDT, you wrote:
>Hi ya'll!
>
>Well, I'm in onna Saturday...(Months end, you know how that goes!). Just
>finished waving a small lot of boards (9 assemblies) and 5 of them came off
>the wave with these dime to quarter-sized delaminated blisters, maybe 3-4 of
>them on each board, and the other 4 boards looked fine! What would cause
>that? Entrapped moisture? The boards were supposedly baked before wave (At
>least the traveler said they were). Any ideas?
>
>-Steve Gregory-
>
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