Magnetic recording medium with B2 structured underlayer and a cobalt-based magnetic layer
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United States of America Patent
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Dec 2, 1997
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N/A
app pub date -
Sep 29, 1994
filing date -
Sep 29, 1994
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Abstract
The present invention provides a longitudinal magnetic recording media having a substrate, a Co or Co alloy based layer and an underlayer disposed between the substrate and the magnetic layer comprised of a material having a B2 ordered crystalline structure, preferably NiAl or FeAl. A thin Cr intermediate layer of about 1.0 nm to 5.0 nm thick may be positioned between the underlayer and the magnetic layer.
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