Data storage device updating laser power during non-write mode for heat assisted magnetic recording

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United States of America Patent

PATENT NO 9502068
SERIAL NO

14682021

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Abstract

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A data storage device is disclosed comprising a head actuated over a disk, wherein the head comprises a laser configured to heat the disk while writing data to the disk. While writing data to the disk, an updated power setting for the laser is stored in a staging register, and during a non-write mode, the updated power setting is transferred from the staging register to an operating register in order to update an operating power for the laser.

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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
Haralson, Phillip S Huntington Beach, US 10 91

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