Magnetic recording medium
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United States of America Patent
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Dec 28, 2004
Grant Date -
Jan 31, 2002
app pub date -
Apr 6, 2001
filing date -
Apr 7, 2000
priority date (Note) -
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Abstract
Multilayer magnetic recording medium is suitable for high recording densities and the recording of digital data, has very good electromagnetic recording properties in the entire recording wavelength range and good mechanical properties and possesses a flat frequency response and which has at least one upper magnetic recording layer less than 0.5 .mu.m thick and at least one lower layer which contains a magnetically soft pigment.
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