Magnetic recording medium and a method of manufacturing the same
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United States of America Patent
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May 1, 2012
Grant Date -
Aug 7, 2008
app pub date -
Feb 5, 2008
filing date -
Feb 5, 2007
priority date (Note) -
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Abstract
A magnetic recording medium and a method of manufacturing a magnetic recording medium are provided, in which degradation of wear resistance against a magnetic head and performances of the medium is restrained, and metal dissolving out of the magnetic recording layer and degradation of corrosion resistance due to low coverage of a protective layer are suppressed. The method of manufacturing provides a magnetic recording medium having a convex portion of a magnetic recording layer for recording information and a concave portion without a recording function on a disk substrate. An ALD protective layer is formed on the magnetic recording medium using an ALD method. The magnetic recording medium has a convex portion of a magnetic recording layer for recording information and a concave portion without a recording function on a disk substrate, and has a protective layer formed by an ALD method on the concavo-convex pattern.
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