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:
Dec. 27, 2022
Filed:
Apr. 15, 2020
Applicant:
Hefechip Corporation Limited, Sai Ying Pun, HK;
Inventors:
Assignee:
HeFeChip Corporation Limited, Sai Ying Pun, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 43/10 (2006.01); H01L 27/22 (2006.01); H01L 43/08 (2006.01); H01L 43/02 (2006.01);
U.S. Cl.
CPC ...
H01L 43/10 (2013.01); H01L 27/222 (2013.01); H01L 43/02 (2013.01); H01L 43/08 (2013.01);
Abstract
A storage layer of a magnetic tunnel junction (MTJ) element is disclosed. The storage layer having perpendicular magnetic anisotropy includes a first ferromagnetic layer, a first dust layer disposed directly on the first ferromagnetic layer, a second ferromagnetic layer disposed directly on the first dust layer, a second dust layer disposed directly on the second ferromagnetic layer, and a third ferromagnetic layer disposed directly on the second dust layer. A material of the first dust layer is different from a material of the second dust layer.