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.
Patent No.:
Date of Patent:
Sep. 29, 2026
Filed:
Apr. 15, 2025
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Kaori Kimura, Yokohama Kanagawa, JP;
Takao Furuhashi, Kawasaki Kanagawa, JP;
Toru Watanabe, Kawasaki Kanagawa, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Toshiba Electronic Devices & Storage Corporation, Kawasaki, JP;
Abstract
According to one embodiment, a magnetic recording device includes a disk-shaped recording medium including a recording surface on which a lubricant is applied, a magnetic head including a recording element, a light source, and a light emitting element which irradiates light onto the recording surface of the recording medium, and a controller including a light source control circuit which controls a drive current value of the light source, a cleaning execution circuit which executes a cleaning operation to remove a build-up product attached to the magnetic head, and a setting circuit which sets a cleaning interval at which the cleaning operation is executed.