Magnetic disk device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11670331
APP PUB NO 20230074588A1
SERIAL NO

17672016

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to one embodiment, a magnetic disk device includes a rotatable disk-shaped recording medium, a magnetic head including a write head having a main magnetic pole that applies a recording magnetic field to the recording medium, an assist element that assists magnetic recording by the main magnetic pole, and a plurality of thermal actuators that control a head gradient with respect to the recording medium, and a controller which includes a detection unit configured to detect deterioration of the magnetic head, and changes a head gradient of the magnetic head by the thermal actuator according to the detected deterioration.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA; TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kimura, Kaori Yokohama Kanagawa, JP 88 517
Matsumoto, Takuya Kawasaki Kanagawa, JP 309 3445
Takeo, Akihiko Tokyo, JP 90 1119

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