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February 1998

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Subject:
Re: Atotech Black oxide
From:
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TechNet E-Mail Forum.
Date:
Fri, 20 Feb 1998 21:44:24 EST
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John

not quite - as far as our oxide and ur present suppliers. their's - as u have
stated - etches back to a brown oxide - or red - depending on original oxide
deposit. ours chemically changes the cystalline structure - actually -
reducing the needle like structure

regards

richard fudalewski

atotech canada ltd

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