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:
Aug. 23, 2022
Filed:
Jan. 14, 2021
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Kazuumi Inubushi, Tokyo, JP;
Katsuyuki Nakada, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/09 (2006.01); G11B 5/39 (2006.01); H01F 10/32 (2006.01); G11C 11/16 (2006.01); H01F 10/193 (2006.01); H01F 10/30 (2006.01); G01R 33/12 (2006.01);
U.S. Cl.
CPC ...
G01R 33/093 (2013.01); G01R 33/098 (2013.01); G01R 33/1284 (2013.01); G11B 5/3909 (2013.01); G11B 5/3929 (2013.01); G11C 11/16 (2013.01); G11C 11/161 (2013.01); H01F 10/193 (2013.01); H01F 10/30 (2013.01); H01F 10/325 (2013.01); H01F 10/3268 (2013.01); H01F 10/3286 (2013.01); G11B 2005/3996 (2013.01); Y10T 428/115 (2015.01); Y10T 428/1136 (2015.01);
Abstract
A stacked structure is positioned on a nonmagnetic metal layer. The stacked structure includes a ferromagnetic layer and an intermediate layer interposed between the nonmagnetic metal layer and the ferromagnetic layer. The intermediate layer includes a NiAlX alloy layer represented by Formula (1): NiAlX. . . (1), [X indicates one or more elements selected from the group consisting of Si, Sc, Ti, Cr, Mn, Fe, Co, Cu, Zr, Nb, and Ta, and satisfies an expression of 0<γ<0.5 in a case of γ=γ3/(γ1+γ2+γ3)].