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:
Feb. 25, 2025
Filed:
Jul. 08, 2022
Applicant:
Tohoku University, Sendai, JP;
Inventors:
Assignee:
TOHOKU UNIVERSITY, Sendai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G06N 3/063 (2023.01); G11C 11/16 (2006.01); G11C 11/18 (2006.01); H01F 10/32 (2006.01); H10B 61/00 (2023.01); H10N 50/10 (2023.01); H10N 50/85 (2023.01); H10N 52/80 (2023.01);
U.S. Cl.
CPC ...
G11C 11/161 (2013.01); G06N 3/063 (2013.01); G11C 11/1673 (2013.01); G11C 11/1675 (2013.01); G11C 11/18 (2013.01); H01F 10/3286 (2013.01); H10B 61/00 (2023.02); H10N 50/10 (2023.02); H10N 50/85 (2023.02); H10N 52/80 (2023.02);
Abstract
A magnetic multilayer film for a magnetic memory element includes an amorphous heavy metal layer having a multilayer structure in which a plurality of first layers containing Hf alternate repeatedly with a plurality of second layers containing a heavy metal excluding Hf; and a recording layer that includes a ferromagnetic layer and that is adjacent to the heavy metal layer, the ferromagnetic layer having a variable magnetization direction.