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40:36 1996 |
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70 (or 72) & 50% are usually the standards for film etc.
But you being in assembly I would ask your solder past supplier. I
have heard that they are environmentally sensitive!
______________________________ Reply Separator _________________________________
Subject: Temp. and RH
Author: [log in to unmask] at corp
Date: 7/3/96 8:09 AM
Our PWB assembly facility is in a controlled environment kept at 72
degrees F, and 50% R.H. The problem is, we don't remember how we
decided these were the best conditions. Does anyone know of an IPC
document or other source stating the best environmental conditions for
PWB assembly (including SM assembly)?
Any info. is appreciated. Thank you.
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