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:
Sep. 30, 2025
Filed:
May. 29, 2020
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Yohei Shiokawa, Tokyo, JP;
Tomoyuki Sasaki, Tokyo, JP;
Takeshi Seki, Sendai, JP;
Koki Takanashi, Sendai, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 52/80 (2023.01); H01F 10/16 (2006.01); H01F 10/32 (2006.01); H01F 41/14 (2006.01); H10B 61/00 (2023.01); H10D 48/40 (2025.01); H10N 50/10 (2023.01); H10N 50/85 (2023.01); H10N 52/00 (2023.01); H10N 52/01 (2023.01);
U.S. Cl.
CPC ...
H10N 52/80 (2023.02); H01F 10/16 (2013.01); H01F 10/32 (2013.01); H01F 41/14 (2013.01); H10B 61/22 (2023.02); H10D 48/40 (2025.01); H10N 50/10 (2023.02); H10N 50/85 (2023.02); H10N 52/00 (2023.02); H10N 52/01 (2023.02);
Abstract
A magnetic film includes a ferromagnetic layer. The ferromagnetic layer has a thickness or a width in a first direction which is longer than a thickness or a width in another direction, a crystalline structure is a tetragonal structure, and a main vector direction of a c axis of the tetragonal structure is the first direction.