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Perpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structure
Perpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structure
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机译:垂直磁记录介质,其具有带磁畴结构的软磁衬层
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摘要
A perpendicular magnetic recording medium for use on a magnetic recording/reproducing apparatus which has a magnetic head for recording/reproduction includes a substrate, a magnetic recording layer having a perpendicular magnetic anisotropy, and a soft magnetic under layer interposed between the substrate and the magnetic recording layer. The soft magnetic under layer includes a mechanism for for suppressing motion of the domain walls of the soft magnetic under layer at least with respect to an external magnetic field which is smaller than a stray magnetic field in a vicinity of the magnetic head within the magnetic recording/reproducing apparatus.
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