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:
Dec. 07, 1999
Filed:
Dec. 09, 1991
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; B32B / ; G11B / ;
U.S. Cl.
CPC ...
428611 ; 4286 / ; 428900 ; 428928 ; 428635 ; 428672 ; 428675 ;
Abstract
A magnetoresistive element uses a multilayer film where ferromagnetic layers and nonferromagnetic layers are layered on each other, wherein a permanent magnet layer is formed on the aforementioned multilayer film through one of the nonferromagnetic layers and a bias field is applied on the multilayer film.