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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 12217775 B1

PDFFull Text
Date of Patent:
Feb. 04, 2025

Filed:

Aug. 31, 2023

Magnetoresistance effect element and heusler alloy

Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Kazuumi Inubushi, Tokyo, JP;

Katsuyuki Nakada, Tokyo, JP;

Tetsuya Uemura, Hokkaido, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Kevin M Bernatz

Int. Cl.
CPC ...
G11B 5/39 (2006.01); G01R 33/09 (2006.01); G11C 11/16 (2006.01); H01F 10/193 (2006.01); H01F 10/32 (2006.01); H10B 61/00 (2023.01); H10N 50/85 (2023.01);
U.S. Cl.
CPC ...
G11B 5/3903 (2013.01); G01R 33/093 (2013.01); G11B 5/3929 (2013.01); G11C 11/161 (2013.01); H01F 10/1936 (2013.01); H01F 10/325 (2013.01); H10B 61/00 (2023.02); H10N 50/85 (2023.02); G11B 2005/3996 (2013.01);
Abstract

A magnetoresistance effect element includes a first ferromagnetic layer, a second ferromagnetic layer, and a non-magnetic layer positioned between the first ferromagnetic layer and the second ferromagnetic layer, and at least one of the first ferromagnetic layer and the second ferromagnetic layer is a Heusler alloy represented by the following General Formula (1):CoFeX  (1)(in Formula (1), X represents one or more elements selected from the group consisting of Mn, Cr, Si, Al, Ga and Ge, and α and β represent numbers that satisfy 2.3≤α+β, α<β, and 0.5≤α<1.9).

Find Patent Forward Citations

Inubushi, Kazuumi. (2025). Magnetoresistance effect element and heusler alloy (U.S. Patent No. 12217775). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12217775

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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