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:
Mar. 25, 2014
Filed:
Sep. 26, 2012
Seagate Technology Llc, Cupertino, CA (US);
Kevin David Powers, Longmont, CO (US);
Sandeep Bhushan, Longmont, CO (US);
James J. Martin, Longmont, CO (US);
Prasanna Manja Ramakrishna, Englewood, CO (US);
Dale Thomas Riley, Longmont, CO (US);
Vance Charles Kluver, Longmont, CO (US);
Scott Howard Deits, Littleton, CO (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of the storage media using a temperature change at the asperity sensor. The asperity may be one or both of a void in the surface of the storage media and a protrusion from the surface of the storage media.