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:
Dec. 12, 2017
Filed:
Apr. 27, 2016
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Alfredo Sam Chu, Prior Lake, MN (US);
Wenzhong Zhu, Apple Valley, MN (US);
Tim Rausch, Farmington, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/00 (2006.01); G11B 7/1267 (2012.01); G11B 5/455 (2006.01); G11B 20/18 (2006.01); G11B 20/10 (2006.01); G11B 5/00 (2006.01); G11B 20/12 (2006.01);
U.S. Cl.
CPC ...
G11B 7/1267 (2013.01); G11B 5/455 (2013.01); G11B 20/10388 (2013.01); G11B 20/1816 (2013.01); G11B 2005/0021 (2013.01); G11B 2020/1275 (2013.01);
Abstract
A set of consecutive user data wedges are each located between consecutive servo wedges of a heat-assisted recording medium. Test data is written at least every other one of the consecutive data wedges using different laser power values. Based on reading the test data, a nominal laser power is selected for use by the read/write head.