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:
Apr. 14, 2015

Filed:

Aug. 27, 2014
Applicant:

Seagate Technology Llc, Cupertino, CA (US);

Inventors:

Xiong Liu, Singapore, SG;

Brian T Edgar, Minneapolis, MN (US);

Feng Shen, Singapore, SG;

WenXiang Xie, Singapore, SG;

ThanZaw Thein, Singapore, SG;

Assignee:

Seagate Technology, Cupertino, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01); G11B 20/12 (2006.01); G11B 20/10 (2006.01);
U.S. Cl.
CPC ...
G11B 20/1217 (2013.01); G11B 2020/1238 (2013.01); G11B 2020/10907 (2013.01);
Abstract

Systems and methods are disclosed for performing a rewrite operation on recording bands of a data storage medium. In some embodiments, data may be read from a target band including a plurality of tracks, and modified. A portion less than all of the modified data is stored to a nonvolatile memory, and all of the modified data is written to the target band. In some embodiments, modified data corresponding to the first two tracks of the target band is stored to the nonvolatile memory, and modified data corresponding to the third track of the target band is written back to the first physical track. Each track may be written in order, ending with the modified data corresponding to the first two tracks. The result may be that data for each track in the band has shifted up two tracks, with data for the first two tracks moved to the end.


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