Magnetic recording media
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United States of America Patent
Stats
-
Dec 31, 2002
Grant Date -
Jul 26, 2001
app pub date -
Mar 23, 2001
filing date -
Feb 17, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A thin-film magnetic recording disc for use with a read/write head in a disc drive includes a substrate, a magnetic recording film disposed over the substrate, and a protective overcoat on the recording film. The recording disc has an outer layer that includes a solid fluorocarbon and a perfluoropolyether (PFPE) oil. The disc can be used as a data storage media for a digital computer and, in particular, with a read/write head in a disc drive. The addition of the fluorocarbon layer can improve the tribology of the disc, thereby reducing wear and improving the long-term performance of the magnetic disc.
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