Re: Erasing magnetic media

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Article #3884

#3884

From: hildum
Date: Thu, 12 Nov 1987 08:30

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Oops - 

I guess it has been to long since I looked at magnetic memory devices.
gamma Fe2O3 converts to alpha Fe2O3 at a temperature of 400C; which I
was remembering as the Curie point for some strange reason.  Actually,
the idea of heating the recording media to erase it might work for
CrO2 which has a Curie point of 120C.

				Eric

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From: hildum@iris.UUCP
Newsgroups: sci.crypt
Subject: Re: Erasing magnetic media
Message-ID: <476@ucdavis.ucdavis.edu>
Date: Thu, 12-Nov-87 03:30:10 EST
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Posted: Thu Nov 12 03:30:10 1987
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