ADJUSTING METHOD, MAGNETIC DISK DEVICE, AND MANUFACTURING METHOD OF MAGNETIC DISK DEVICE
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United States of America Patent
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N/A
Issued Date -
Dec 15, 2016
app pub date -
Feb 3, 2016
filing date -
Jun 15, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
According to one embodiment, an adjustment method is applied to a magnetic disk device includes a disk, and a head including a heater and configured to protrude to the disk based on amount of heat the heater varies. The method includes calculating a first adjust amount by subtracting a difference, for spacing the head from the disk, from a first control amount applied to the heater when the head contacts a first area, calculating a second adjust amount by subtracting the difference from a second control amount applied to the heater when the head contacts a second area, and adjusting a time when the second adjust amount is applied to the heater, based on a result of comparison between the first and second control amounts.
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