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:
Jul. 29, 2025

Filed:

Jan. 29, 2024
Applicant:

Western Digital Technologies, Inc., San Jose, CA (US);

Inventors:

Zarko Popov, Mission Viejo, CA (US);

Mao Nishiyama, Fujisawa, JP;

Hitoshi Yoshida, Fujisawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 19/04 (2006.01); G11B 27/36 (2006.01);
U.S. Cl.
CPC ...
G11B 19/045 (2013.01); G11B 19/046 (2013.01); G11B 27/36 (2013.01);
Abstract

Various illustrative aspects are directed to a data storage device, method, and one or more processing devices that are configured to: maintain a refresh monitor for a refresh zone of one of the one or more disks, wherein the refresh zone comprises at least one data sector; update the refresh monitor in response to a write operation being performed in a track different than a track containing the refresh zone; update the refresh monitor at predefined time intervals based on a temperature of the one of the one or more disks or of the data storage device; and control a refresh operation of the refresh zone using the refresh monitor.


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