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:
Jul. 10, 2018
Filed:
Mar. 03, 2015
Applicant:
Toshiba Memory Corporation, Minato-ku, Tokyo, JP;
Inventors:
Assignee:
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 43/02 (2006.01); H01L 43/08 (2006.01); H01L 43/12 (2006.01); H01L 27/22 (2006.01);
U.S. Cl.
CPC ...
H01L 43/02 (2013.01); H01L 43/08 (2013.01); H01L 43/12 (2013.01); H01L 27/228 (2013.01);
Abstract
According to one embodiment, a magnetic memory device includes an interlayer insulating film, a bottom electrode formed in the interlayer insulating film, a buffer layer formed on the bottom electrode, and a stacked structure formed on the buffer layer and including a first magnetic layer functioning as a magnetic storage layer, wherein a portion of the buffer layer located on a central portion of the bottom electrode is thicker than a portion of the buffer layer located on a peripheral portion of the bottom electrode.