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. 01, 2026
Filed:
Mar. 31, 2023
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Matthias Georg Gottwald, Ridgefield, CT (US);
Guohan Hu, Yorktown Heights, NY (US);
John Bruley, Poughkeepsie, NY (US);
Alexander Reznicek, Troy, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10N 50/10 (2023.01); H10B 61/00 (2023.01); H10N 50/01 (2023.01); H10N 50/85 (2023.01);
U.S. Cl.
CPC ...
H10N 50/10 (2023.02); H10B 61/00 (2023.02); H10N 50/01 (2023.02); H10N 50/85 (2023.02);
Abstract
A magnetic tunnel junction (MTJ) stack structure includes a reference layer; a tunnel barrier; and a free layer that comprises three distinct materials. All of the three distinct materials in the free layer are magnetic material. One of the three distinct materials in the free layer is a C38 structure alloy.