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:
May. 01, 2012
Filed:
Dec. 31, 2007
Applicants:
David P. Druist, Santa Clara, CA (US);
David J. Seagle, Morgan Hill, CA (US);
Jila Tabib, Los Gatos, CA (US);
Inventors:
David P. Druist, Santa Clara, CA (US);
David J. Seagle, Morgan Hill, CA (US);
Jila Tabib, Los Gatos, CA (US);
Assignee:
Hitachi Global Storage Technologies, Netherlands, B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/33 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disk drive head slider for a magnetic disk drive is provided. The head slider includes a tunnel magnetic resistance device for reading data on a magnetic disk and a dedicated noncorrosive smear detector for measuring resistance wherein the resistance corresponds to a level of smear associated with the head slider.