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:
Jul. 23, 2019
Filed:
Nov. 01, 2018
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventor:
Richard M. Brockie, San Jose, CA (US);
Assignee:
Western Digital Technologies, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 20/12 (2006.01); G11B 5/012 (2006.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G11B 5/012 (2013.01); G06F 12/0253 (2013.01); G06F 2212/702 (2013.01);
Abstract
A data storage device is disclosed comprising a head actuated over a disk comprising a plurality of tracks. A plurality of interlaced recording (IR) zones are defined on the disk, wherein each IR zone comprises a plurality of top tracks partially overlapping a plurality of bottom tracks. First data is written to the bottom tracks of a first IR zone, and the first IR zone is identified as a cold IR zone that is storing cold data. In response to identifying the first IR zone as a cold IR zone, second data is written to the top tracks of the first IR zone.