Storage element and storage apparatus

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United States of America Patent

PATENT NO 9997698
APP PUB NO 20170324026A1
SERIAL NO

15658862

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Abstract

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A storage element includes a layer structure including a storage layer having a direction of magnetization which changes according to information, a magnetization fixed layer having a fixed direction of magnetization, and an intermediate layer disposed therebetween, which intermediate layer contains a nonmagnetic material. The magnetization fixed layer has at least two ferromagnetic layers having a direction of magnetization tilted from a direction perpendicular to a film surface, which are laminated and magnetically coupled interposing a coupling layer therebetween. This configuration may effectively prevent divergence of magnetization reversal time due to directions of magnetization of the storage layer and the magnetization fixed layer being substantially parallel or antiparallel, reduce write errors, and enable writing operation in a short time.

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Patent Owner(s)

Patent OwnerAddress
SONY CORPORATION7-35 KITASHINAGAWA 6-CHOME SHINAGAWA-KU TOKYO 141-0001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asayama, Tetsuya Tokyo, JP 66 353
Bessho, Kazuhiro Kanagawa, JP 147 1377
Higo, Yutaka Kanagawa, JP 166 1371
Hosomi, Masanori Tokyo, JP 171 1471
Ohmori, Hiroyuki Kanagawa, JP 174 1407
Uchida, Hiroyuki Kanagawa, JP 231 2565
Yamane, Kazutaka Kanagawa, JP 143 1062

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