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:
Apr. 27, 2021
Filed:
Mar. 27, 2020
Data storage device migrating data from non-energy assist disk surface to energy assist disk surface
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventors:
Prakash Balasubramaniam, Rancho Santa Margarita, CA (US);
David R. Hall, Rochester, MN (US);
Assignee:
Western Digital Technologies, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/105 (2006.01); G11B 5/48 (2006.01); G11B 5/39 (2006.01); G11B 20/18 (2006.01); G11B 5/00 (2006.01); G11B 5/60 (2006.01); G11B 7/126 (2012.01);
U.S. Cl.
CPC ...
G11B 5/4813 (2013.01); G11B 5/39 (2013.01); G11B 20/1866 (2013.01); G11B 5/6088 (2013.01); G11B 7/126 (2013.01); G11B 2005/0021 (2013.01); G11B 2005/0024 (2013.01);
Abstract
A data storage device is disclosed comprising a non-energy assist (NEA) head configured to access a first disk surface, and an energy assist (EA) head configured to access a second disk surface. The data storage device further comprises control circuitry configured to write data to the first disk surface, and migrate at least part of the data to the second disk surface.