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:
Nov. 05, 2013
Filed:
Dec. 22, 2009
Applicants:
Karl Flechsig, Los Gatos, CA (US);
Gurinder Singh, San Jose, CA (US);
Timothy Strand, San Jose, CA (US);
Inventors:
Karl Flechsig, Los Gatos, CA (US);
Gurinder Singh, San Jose, CA (US);
Timothy Strand, San Jose, CA (US);
Assignee:
HGST Netherlands B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for detecting disk asperities. The device includes an optical glide head. The glide head is not required to physically contact a disk for detection of the disk asperities. The optical glide head includes a waveguide configured to transmit light onto the disk and receive reflected light from the disk.