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.:

US 9385307 B1

Date of Patent:

Jul. 05, 2016

Filed:

Mar. 10, 2015

Magnetoresistive element and method of manufacturing the same

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;

Inventors:

Katsuya Nishiyama, Yokohama Kanagawa, JP;

Koji Yamakawa, Yokkaichi Mie, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;

Attorney:

Holtz, Holtz & Volek PC

Primary Examiner:

Brook Kebede

Int. Cl.

CPC ...

H01L 21/82 (2006.01); H01L 43/10 (2006.01); H01L 43/12 (2006.01); H01L 43/08 (2006.01); H01L 43/02 (2006.01);

U.S. Cl.

CPC ...

H01L 43/10 (2013.01); H01L 43/12 (2013.01); H01L 43/02 (2013.01); H01L 43/08 (2013.01);

Abstract

According to one embodiment, a magnetoresistive element includes a first magnetic layer having a perpendicular and invariable magnetization, a first nonmagnetic insulating layer on the first magnetic layer, a second magnetic layer on the first nonmagnetic insulating layer, the second magnetic layer having a perpendicular and variable magnetization, a second nonmagnetic insulating layer on the second magnetic layer, and a nonmagnetic conductive layer on the second nonmagnetic insulating layer. The second nonmagnetic insulating layer includes a first metal oxide with a predetermined element. The first nonmagnetic insulating layer includes a second metal oxide.

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