Magnetic recording medium and method for its production
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United States of America Patent
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Oct 21, 1997
Grant Date -
N/A
app pub date -
Mar 22, 1995
filing date -
Apr 1, 1993
priority date (Note) -
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Abstract
A magnetic recording medium having a magnetic thin film, wherein crystal grains constituting the magnetic thin film are separated by a crystal boundary region containing a non-ferromagnetic and non-metallic phase. The magnetic recording medium of the present invention provides a high coercivity and a remarkably reduced media noise property, and a high productivity in the mass production thereof.
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