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. 29, 2008
Filed:
Apr. 26, 2006
Applicants:
Toshiki Hirano, San Jose, CA (US);
Ullal V. Nayak, San Jose, CA (US);
Inventors:
Toshiki Hirano, San Jose, CA (US);
Ullal V. Nayak, San Jose, CA (US);
Assignee:
Hitachi Global Storage Technologies Netherlands B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for detecting slider/disk fly-height modulation in a hard disk drive is provided. A slider is electrically isolating from an electrically grounded suspension. A signal line is coupled to the slider, the signal line for providing an alert signal when a modulation in fly-height between the slider and an electrically grounded disk of the hard disk drive occurs.