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Subject:	RE: tetra-etch of Teflon
From:	"Goldman, Patricia J." <[log in to unmask]>
Date:	Mon, 07 Apr 97 16:28:00 PDT
Content-Type:	text/plain
Parts/Attachments:	text/plain (43 lines)

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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