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:
Mar. 19, 1991
Filed:
Sep. 29, 1989
Applicant:
Inventors:
Toshio Takada, Kyoto, JP;
Tetsuo Okuyama, Ohtsu, JP;
Kenichi Yoden, Isehara, JP;
Teruya Shinjo, Uji, JP;
Assignees:
Kanegafuchi Chemical Industry Co., Ltd., Osaka, JP;
TDK Corporation, Tokyo, JP;
Nippon Mining Co., Ltd., Tokyo, JP;
NEC Corporation, Tokyo, JP;
Seisan Kaihatsu Kagaku Kenkyusho, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
428611 ; 428678 ; 428679 ; 428681 ; 428928 ;
Abstract
An Fe-Co base magnetic material comprising periodically laminated structure which consists of an Fe layer which has the bcc (110) plane in the lamination plane, an Fe-Co alloy layer which has the bcc (110) plane in the lamination plane and is laminated on said Fe layer and a Co layer which has the hcp (101) plane in the lamination plane and is laminated on said Fe-Co alloy layer, which laminated structure has controlled magnetostriction.