Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus
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United States of America Patent
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Nov 7, 2006
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app pub date -
Jul 25, 2003
filing date -
Jul 25, 2002
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Abstract
A perpendicular magnetic recording medium includes a magnetic recording layer stacked on a substrate and having a first perpendicular magnetic recording layer containing cobalt, and a second perpendicular magnetic recording layer mainly containing a crystalline alloy which contains a rare earth element and a transition metal.
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