Magnetic recording medium and method of manufacturing the same, and magnetic record/reproduction apparatus
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United States of America Patent
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Jun 23, 2015
Grant Date -
Nov 29, 2012
app pub date -
May 23, 2012
filing date -
May 24, 2011
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Abstract
According to the present invention, a magnetic recording medium is provided including a disk-shaped non-magnetic substrate and at least a perpendicular magnetic layer formed on the disk-shaped non-magnetic substrate, wherein the perpendicular magnetic layer has a structure in which an FePt or CoPt nanoparticle array is formed on a formation surface, on which a plurality of striations each having a circumferential directional component are formed, by a texturing treatment; a manufacturing method thereof; and a magnetic record/reproduction apparatus including the magnetic recording medium or a magnetic recording medium manufactured according to the manufacturing method.
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