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April 2000

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Subject:
Removal of Solder mask
From:
Ivan Barrios <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 26 Apr 2000 13:14:56 -0600
Content-Type:
text/plain
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text/plain (21 lines) 
We need to remove a small area (0.120" x 0.100") of soldermask from the top
layer, without removing any of the copper underneath. Is there a chemical
used to "etch" out this soldermask, and not compromise the copper layer
underneath? As always, your responses are most welcome

Ivan Barrios

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