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. 19, 2019
Filed:
Mar. 14, 2016
Applicant:
Toshiba Memory Corporation, Minato-ku, Tokyo, JP;
Inventor:
Eiji Kitagawa, Yokohama Kanagawa, JP;
Assignee:
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/22 (2006.01); H01L 29/82 (2006.01); H01L 43/08 (2006.01); H01L 43/10 (2006.01);
U.S. Cl.
CPC ...
H01L 27/228 (2013.01); H01L 43/08 (2013.01); H01L 43/10 (2013.01);
Abstract
According to one embodiment, a magnetic memory device includes a stack structure including a first magnetic layer having a variable magnetization direction, a second magnetic layer having a fixed magnetization direction, and a nonmagnetic layer provided between the first magnetic layer and the second magnetic layer, wherein the second magnetic layer includes a first layer containing iron (Fe) and boron (B), a second layer containing iron (Fe) and boron (B), and a third layer provided between the first layer and the second layer and containing a semiconductor.