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| From [log in to unmask] Mon Apr 7 16: |
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Circuit Center in Dayton, Ohio says they can do it, but I have no idea what
their process is.
----------
From: Ed Cosper
To: [log in to unmask]
Subject: tetra-etch of Teflon
Date: Monday, April 07, 1997 12:41PM
I have been told recently that a board shop is producing teflon plated
thru circuit boards without using a tetra etch and using only a
permanganate.
Is this possible? I have always understood that unless you tetra etched
the material, you could not get good hole wall bond. Does anyone have
any information in this?
Ed Cosper
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