Perpendicular magnetic recording medium and magnetic recording device using the same
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United States of America Patent
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Jan 26, 1999
Grant Date -
N/A
app pub date -
Mar 6, 1997
filing date -
Mar 8, 1996
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Abstract
A perpendicular magnetic recording medium wherein a perpendicular magnetic film is formed on a substrate or a nonmagnetic film, and the perpendicular magnetic film contains Co and Cr, the content of the Cr being 22 at. % or higher but 30 at. % or less. The medium is used in a magnetic recording disk drive using a magnetoresistive read head.
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