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. 28, 2015
Filed:
Sep. 22, 2014
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Alfredo Sam Chu, Prior Lake, MN (US);
Siew Kin Chow, Shakopee, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, CUPERTINO, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/00 (2006.01); G11B 5/48 (2006.01); G11B 5/31 (2006.01); G11B 5/60 (2006.01); G11B 5/012 (2006.01); G11B 13/08 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/4866 (2013.01); G11B 5/314 (2013.01); G11B 5/6088 (2013.01); G11B 5/012 (2013.01); G11B 13/08 (2013.01); G11B 2005/0021 (2013.01);
Abstract
A pattern is written to only a portion of a test track of a magnetic disk. The pattern written to the portion of the test track is read using a read head. A cross-track offset between the read head and a write head is determined at a position on a disk based on reading the pattern.