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:
Jan. 31, 2012
Filed:
Sep. 10, 2010
Tadashi Kai, Tokyo, JP;
Katsuya Nishiyama, Yokohama, JP;
Toshihiko Nagase, Yokohama, JP;
Masatoshi Yoshikawa, Yokohama, JP;
Eiji Kitagawa, Yokohama, JP;
Tadaomi Daibou, Yokohama, JP;
Makoto Nagamine, Komae, JP;
Masahiko Nakayama, Yokohama, JP;
Naoharu Shimomura, Tokyo, JP;
Hiroaki Yoda, Sagamihara, JP;
Kei Yakushiji, Tsukuba, JP;
Shinji Yuasa, Tsukuba, JP;
Hitoshi Kubota, Tsukuba, JP;
Taro Nagahama, Tsukuba, JP;
Akio Fukushima, Tsukuba, JP;
Koji Ando, Tsukuba, JP;
Tadashi Kai, Tokyo, JP;
Katsuya Nishiyama, Yokohama, JP;
Toshihiko Nagase, Yokohama, JP;
Masatoshi Yoshikawa, Yokohama, JP;
Eiji Kitagawa, Yokohama, JP;
Tadaomi Daibou, Yokohama, JP;
Makoto Nagamine, Komae, JP;
Masahiko Nakayama, Yokohama, JP;
Naoharu Shimomura, Tokyo, JP;
Hiroaki Yoda, Sagamihara, JP;
Kei Yakushiji, Tsukuba, JP;
Shinji Yuasa, Tsukuba, JP;
Hitoshi Kubota, Tsukuba, JP;
Taro Nagahama, Tsukuba, JP;
Akio Fukushima, Tsukuba, JP;
Koji Ando, Tsukuba, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Abstract
According to one embodiment, a magnetoresistive element includes a first magnetic layer with a variable magnetization and an easy-axis in a perpendicular direction to a film surface, a second magnetic layer with an invariable magnetization and an easy-axis in the perpendicular direction, and a first nonmagnetic layer between the first and second magnetic layers. The first magnetic layer comprises a ferromagnetic material including an alloy in which Co and Pd, or Co and Pt are alternately laminated on an atomically close-packed plane thereof. The first magnetic layer has C-axis directing the perpendicular direction. And a magnetization direction of the first magnetic layer is changed by a current flowing through the first magnetic layer, the first nonmagnetic layer and the second magnetic layer.