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:
Apr. 12, 2005
Filed:
Aug. 19, 2002
Applicants:
Robert A. Johnson, Acton, MA (US);
Lawrence G. Neumann, Lancaster, MA (US);
James R. Remby, Hopkinton, MA (US);
Inventors:
Robert A. Johnson, Acton, MA (US);
Lawrence G. Neumann, Lancaster, MA (US);
James R. Remby, Hopkinton, MA (US);
Assignee:
Quantum Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B005/187 ;
U.S. Cl.
CPC ...
Abstract
A thin film head for use in a tape drive includes a read portion, a write portion, and a giant magnetoresistive (GMR) element disposed in the read portion. The read and write portions have a tape bearing surface. A sensing surface of the GMR element is recessed from the tape bearing surface as a result of a lapping process and coated with a material.