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AssigneesToshiba Electronic Devices & Storage Corporation, Kabushiki Kaisha Toshiba
InventorHirokazu SHOU
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A magnetic disk device includes a magnetic disk that includes a plurality of zones divided in a radial direction, a plurality of tracks in each of the zones, and a plurality of sectors in each of the tracks divided in a circumferential direction, a magnetic head configured to read and write data to and from the magnetic disk, and a control unit configured to determine a setting value of a recording current to be applied to the magnetic head when writing to each of a plurality of sections of a first sector, based on error rates in data read from a second sector that is in the same zone as the first sector and to which a write was performed while changing setting values of recording currents applied to the magnetic head while writing to each of a plurality of sections of the second sector.
A magnetic disk device, comprising:
A method of determining a setting value of a recording current to be applied when writing to each of a plurality of sections of a first sector of a magnetic disk of a magnetic disk device having a magnetic head configured to read and write data to and from the magnetic disk, wherein the magnetic disk includes a plurality of zones divided in a radial direction, a plurality of tracks in each of the zones, and a plurality of sectors in each of the tracks divided in a circumferential direction, said method comprising:
Dependencies are inferred from the claim text.