Magnetic recording medium
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United States of America Patent
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Aug 30, 2005
Grant Date -
Jan 24, 2002
app pub date -
Apr 6, 2001
filing date -
Apr 7, 2000
priority date (Note) -
Expired
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Abstract
Multilayer magnetic recording medium which is suitable for high recording densities and the recording of digital data, has very good electromagnetic recording properties and good surface smoothness and can absorb a large amount of lubricant in the lower layer and has at least one upper magnetic recording layer less than 0.5 μm thick and at least one lower layer which contains a magnetically soft pigment.
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