Disk drive decreasing head temperature to increase fly-height during seek operation

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United States of America Patent

PATENT NO 7088545
SERIAL NO

11168274

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A disk drive is disclosed comprising a disk having a plurality of tracks, and a head actuated over the disk. Control circuitry heats the head in order to reduce a fly-height of the head, and computes a target servo sector to begin a preheat period. The control circuitry decreases the heat so that the fly-height is increased during at least part of a seek operation to seek the head from a first track to a second track. When the head reaches the target servo sector, the control circuitry increases the heat to decrease the fly-height during the preheat period.

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Patent Owner(s)

  • WESTERN DIGITAL TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Singh, Dalwinder Irvine, CA 13 1786
Thelin, Gregory B Garden Grove, CA 29 4519

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