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January 2004

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Subject:
From:
Steve Gregory <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 15 Jan 2004 11:55:22 EST
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Hi All!

Well, I took a board that was from the same fabrication panel, ran it across
the wave, and washed it...then again observed the mask sloughing off like a
snakes skin.

According to our fab vendor, the pumice scrub prior to soldermasking was
signed-off as completed on the production paperwork, but the process engineers
there acknowledged that it didn't look like it had been done from the pictures I
sent them (the same ones on my web page).

I'm sending them the bare fab that I had ran through the wave and wash today.

Thanks for all the inputs! You guys are right on the money almost every
single time!

-Steve Gregory-

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