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November 1998

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Subject:
Soldermask surface prep
From:
Ed Cosper <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 10 Nov 1998 01:59:13 -0600
Content-Type:
text/plain
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text/plain (27 lines) 
Hi all,

Just a quick survey question. I am trying to determine how most bare board manufacturers are cleaning for soldermask.

a. Chemical clean ( microetch )
b. Mechanical scrub only.
c. Sufuric / Mechanical
d. Pumice
e. Aluminum oxide
f.  Other.

All feedback would be greatly appreciated.  Thanks

Ed Cosper

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