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:
May. 25, 2021
Filed:
Sep. 04, 2020
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Yusuke Tomoda, Kawasaki Kanagawa, JP;
Tatsuo Nitta, Machida Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
According one embodiment, a magnetic disk device includes a disk including a first region and a second region to which data before written to the first region is temporarily written, a head which writes data to the disk and reads data from the disk, and a controller which selectively performs conventional magnetic recording for writing a track at an interval in a radial direction of the disk and shingled magnetic recording for writing a track so as to overlap in the radial direction, and changes a cache data capacity of data which can be written to the second region in accordance with a first write capacity of data which can be written to the first region by the shingled magnetic recording.