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:
Jun. 07, 2011
Filed:
Mar. 21, 2008
Applicants:
Susumu Haratani, Tokyo, JP;
Hitoshi Yamaguchi, Tokyo, JP;
Naoki Ohta, Tokyo, JP;
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/02 (2006.01); G01B 7/30 (2006.01); G01B 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The magnetic sensor comprises a spin-valve GMR including a free layer having an elongated form as seen in a laminating direction and a permanent magnet layer having an elongated form as seen in the laminating direction. The permanent magnet layer is arranged in parallel with the free layer.