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:
Apr. 08, 2025
Filed:
Jun. 24, 2020
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Shinto Ichikawa, Tokyo, JP;
Tsuyoshi Suzuki, Tokyo, JP;
Katsuyuki Nakada, Tokyo, JP;
Tomoyuki Sasaki, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 50/85 (2023.01); H10N 50/10 (2023.01);
U.S. Cl.
CPC ...
H10N 50/85 (2023.02); H10N 50/10 (2023.02);
Abstract
In the magnetoresistance effect element according to one aspect, the metal oxide constituting the metal oxide layer has the ratio of oxygen higher than the total ratio of metal when the composition is expressed in the stoichiometric composition; and the resistivity of the metal oxide layer is higher than that of the tunnel barrier layer.