MAGNETIC DISK DEVICE AND METHOD FOR DETERMINING FLOATING OF MAGNETIC HEAD
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United States of America Patent
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Issued Date -
Sep 15, 2016
app pub date -
Aug 28, 2015
filing date -
Aug 28, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to one embodiment, a magnetic disk device is disclosed. The magnetic disk device includes a magnetic disk including a plurality of tracks. The plurality of tracks each includes a plurality of servo areas, and the plurality of servo areas each include first servo data including data regarding eccentricity of the magnetic disk. The magnetic disk device further includes a head configured to write data to the magnetic disk and read data written to the magnetic disk. The magnetic disk device further includes a controller configured to determine whether floating of the head from the magnetic disk is abnormal or not based on a signal corresponding to the first servo data read by the head while writing the data on the magnetic disk by the head.
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