The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 22, 2023

Filed:

Feb. 17, 2022
Applicants:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;

Inventor:

Yusuke Tomoda, Kawasaki Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/00 (2006.01); G11B 15/12 (2006.01); G11B 5/02 (2006.01); G11B 5/54 (2006.01); G11B 5/31 (2006.01); G11B 5/012 (2006.01);
U.S. Cl.
CPC ...
G11B 15/125 (2013.01); G11B 5/02 (2013.01); G11B 5/012 (2013.01);
Abstract

According to one embodiment, a magnetic disk device includes a disk, a head including a read head that reads data from the disk, a write head that writes data to the disk, and an assist element that generates energy to enhance write performance by the write head, and a controller that selects and performs a first recording mode and a second recording mode different from the first recording mode, and selects and performs one of the first recording mode and the second recording mode according to an assist effect of the assist element.


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