Methods of preparing glass substrates for magnetic media
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United States of America Patent
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-
Mar 18, 2003
Issued Date -
N/A
app pub date -
May 22, 2001
filing date -
Jan 5, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Described are substrates for magnetic media which have excellent surface properties as prepared directly from a slot drawdown glass sheet forming process. The substrate blanks cut directly from the glass sheet, as drawn, require little or no surface treatment for use as substrates for magnetic media, particularly hard disk drives. Also described are methods for preparing such substrates and methods for preparing magnetic media therefrom. Further described are the substrates and magnetic media prepared by such processes.
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