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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.:

US 6245450 B1

PDFFull Text
Date of Patent:
Jun. 12, 2001

Filed:

Jan. 25, 1999

Exchange coupling film magnetoresistance effect device magnetoresistance effective head and method for producing magnetoresistance effect device

Applicant:
Inventors:

Yasuhiro Kawawake, Uji, JP;

Hiroshi Sakakima, Kyotanabe, JP;

Mitsuo Satomi, Katano, JP;

Yasunari Sugita, Kadoma, JP;

Assignee:

Matsushita Electric Industrial Co., Ltd., Osaka, JP;

Attorney:

Renner, Otto, Boisselle & Sklar, LLP

Primary Examiner:

Leszek Kiliman

Int. Cl.
CPC ...
G11B 5/66 ;
U.S. Cl.
CPC ...
G11B 5/66 ;
Abstract

An exchange coupling film of the present invention includes a substrate and a multilayer film. The multilayer film includes: a ferromagnetic layer and a magnetization rotation suppressing layer provided adjacent to the ferromagnetic layer for suppressing a magnetization rotation of the ferromagnetic layer; and the magnetization rotation suppressing layer includes an Fe—M—O layer (where M=Al, Ti, Co, Mn, Cr, Ni or V).

Find Patent Forward Citations

Kawawake, Yasuhiro. (2001). Exchange coupling film magnetoresistance effect device magnetoresistance effective head and method for producing magnetoresistance effect device (U.S. Patent No. 6245450). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6245450

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