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:
May. 19, 2020
Filed:
Nov. 02, 2018
Tohoku University, Sendai-shi, Miyagi, JP;
Hideo Sato, Sendai, JP;
Shoji Ikeda, Sendai, JP;
Mathias Bersweiler, Sendai, JP;
Hiroaki Honjo, Sendai, JP;
Kyota Watanabe, Sendai, JP;
Shunsuke Fukami, Sendai, JP;
Fumihiro Matsukura, Sendai, JP;
Kenchi Ito, Sendai, JP;
Masaaki Niwa, Sendai, JP;
Tetsuo Endoh, Sendai, JP;
Hideo Ohno, Sendai, JP;
TOHOKU UNIVERSITY, Sendai-Shi, Miyagi, JP;
Abstract
A magnetoresistance effect element includes first and second magnetic layers having a perpendicular magnetization direction, and a first non-magnetic layer disposed adjacent to the first magnetic layer and on a side opposite to a side on which the second magnetic layer is disposed. An interfacial perpendicular magnetic anisotropy exists at an interface between the first magnetic layer and the first non-magnetic layer, and the anisotropy causes the first magnetic layer to have a magnetization direction perpendicular to the surface of the layers. An atomic fraction of all magnetic elements to all magnetic and non-magnetic elements included in the second magnetic layer is smaller than that of the first magnetic layer.