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. 30, 2009
Filed:
Apr. 19, 2007
Applicant:
Shigeru Shoji, Tokyo, JP;
Inventor:
Shigeru Shoji, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/74 (2006.01); G01R 33/12 (2006.01); G01R 33/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic sensor has a needle-shaped detecting part. The needle-shaped detecting part includes a substrate cut to have a needle shape, at least one MR element formed on the substrate, at least two lead conductors formed on the substrate, one end of the conductor being electrically connected to at least one MR element, and a protection film covering the at least one MR element and the at least two lead conductors.