Subject: | |
From: | |
Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 15 Jan 2004 09:42:41 -0800 |
Content-Type: | text/plain |
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what do you mean 'almost every
single time!.
phil
-----Original Message-----
From: Steve Gregory [mailto:[log in to unmask]]
Sent: Thursday, January 15, 2004 8:55 AM
To: [log in to unmask]
Subject: [TN] "Snake Board"...an epilog.
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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Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
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