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:
Oct. 25, 2022

Filed:

Sep. 07, 2021
Applicants:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;

Inventor:

Toru Watanabe, Kawasaki Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/00 (2006.01); G11B 20/10 (2006.01); G11B 19/04 (2006.01); G11B 5/60 (2006.01); G11B 5/455 (2006.01);
U.S. Cl.
CPC ...
G11B 19/048 (2013.01); G11B 5/455 (2013.01); G11B 5/6076 (2013.01); G11B 2220/2516 (2013.01);
Abstract

According to one embodiment, when an inspection of a defect of a recording surface of the magnetic disk is carried out by using the first processing section and the second processing section on the basis of the output of the gap sensor, a magnetic disk device is configured to compare a threshold defined on the basis of outputs of the first processing section at a plurality of tracks excluding a track which is an inspection object and an output of the first processing section at the track which is the inspection object with each other and, when the output of the first processing section at the track which is the inspection object exceeds the threshold, detect that there is a defect on the track concerned of the magnetic disk.


Find Patent Forward Citations

Watanabe, Toru. (2022). Magnetic disk inspection method of magnetic disk device and magnetic disk device (U.S. Patent No. 11482252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11482252

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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