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:
May. 14, 2002
Filed:
Jun. 29, 1999
Applicant:
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 ;
U.S. Cl.
CPC ...
G11B 5/66 ;
Abstract
A high-sensitivity magnetic sensor capable of detecting a nonequilibrium spin, uses an almost-spin-polarized ferromagnetic oxide in a high-quality trilayer arrangement including an intermediate layer made of a conductive nonmagnetic oxide not reacting with a ferromagnetic metallic oxide and having a lattice matching between a spin injection layer and a spin detection layer.