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:
Jun. 23, 2015
Filed:
Apr. 24, 2014
Applicant:
Western Digital Technologies, Inc., Irvine, CA (US);
Inventors:
Anthony P. Sannino, Morgan Hill, CA (US);
William B. Boyle, Lake Forest, CA (US);
Bernhard Hiller, San Jose, CA (US);
Jih-Ping Peng, Saratoga, CA (US);
Assignee:
Western Digital Technologies, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/02 (2006.01); G11B 5/02 (2006.01); G11B 21/08 (2006.01); G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
G11B 5/02 (2013.01); G11B 21/08 (2013.01); G11B 5/6076 (2013.01); G11B 5/6064 (2013.01); G11B 5/6005 (2013.01);
Abstract
An apparatus includes: a media; a head over the media; and control circuitry, coupled to the heads, configured to: select an operational head from the heads based on margin data collected under a lube waterfall condition, and perform an access to the media with the operational head.