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:
Mar. 17, 2015
Filed:
Aug. 08, 2013
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventors:
Makoto Nagamine, Tokyo, JP;
Daisuke Ikeno, Yokohama, JP;
Katsuya Nishiyama, Yokohama, JP;
Katsuaki Natori, Yokohama, JP;
Koji Yamakawa, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); H01L 29/66 (2006.01); H01L 21/00 (2006.01); H01L 43/12 (2006.01); H01F 10/32 (2006.01); H01L 43/08 (2006.01);
U.S. Cl.
CPC ...
H01L 43/12 (2013.01); H01F 10/32 (2013.01); H01L 43/08 (2013.01);
Abstract
According to one embodiment, a magnetoresistive effect element includes a first ferromagnetic layer, a tunnel barrier provided on the first ferromagnetic layer, and a second ferromagnetic layer provided on the tunnel barrier. The tunnel barrier includes a nonmagnetic mixture containing MgO and a metal oxide with a composition which forms, in a solid phase, a single phase with MgO.