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:
Jan. 28, 2025
Filed:
Aug. 31, 2023
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Masaya Ohtake, Fujisawa Kanagawa, JP;
Kaori Kimura, Yokohama Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
A magnetic recording and reproducing device includes a magnetic recording medium including a protective layer that is exposed to an enclosed interior volume of the magnetic recording and reproducing device, which contains oxygen and helium, a magnetic head including a heat assist element that is also exposed to the enclosed interior volume, the magnetic head configured to record data onto the magnetic recording medium, and an oxygen amount measurement unit configured to measure an oxygen amount in the enclosed interior volume.