RECORDING MEDIUM DRIVING DEVICE AND MAGNETIC RECORDING MEDIUM, AND METHOD FOR CONTROLLING FLYING HEIGHT OF HEAD ELEMENT
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United States of America Patent
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app pub date -
Sep 27, 2010
filing date -
Mar 27, 2008
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Abandoned
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Abstract
According to one embodiment, a recording medium driving device includes: a recording medium including a plurality of groove regions and land regions, wherein each of the groove regions is formed in a groove formed on top surface of the recording medium and having an arrangement of a magnetic domain formed for each bit, and each of the land regions forms a flat surface on the top surface of the recording medium and in between a pair of the groove regions in adjacency; a head slider disposed to face the top surface of the recording medium; a head element mounted on the head slider; a heater mounted on the head slider and configured to cause a projection in the head element by heat; and a control circuit configured to cause the projection to contact with the land region at time of performing zero calibration for the projection.
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