Spin-orbit torque type magnetoresistance effect element, and method for producing spin-orbit torque type magnetoresistance effect element

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United States of America Patent

PATENT NO 11793088
APP PUB NO 20230057128A1
SERIAL NO

17978496

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Abstract

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A spin-orbit torque type magnetoresistance effect element including a magnetoresistance effect element having a first ferromagnetic metal layer with a fixed magnetization direction, a second ferromagnetic metal layer with a varying magnetization direction, and a non-magnetic layer sandwiched between the first ferromagnetic metal layer and the second ferromagnetic metal layer; and spin-orbit torque wiring that extends in a first direction intersecting with a stacking direction of the magnetoresistance effect element and that is joined to the second ferromagnetic metal layer; wherein the magnetization of the second ferromagnetic metal layer is oriented in the stacking direction of the magnetoresistance effect element; and the second ferromagnetic metal layer has shape anisotropy, such that a length along the first direction is greater than a length along a second direction orthogonal to the first direction and to the stacking direction.

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Patent Owner(s)

Patent OwnerAddress
TDK CORPORATIONTOKYO 103-6128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sasaki, Tomoyuki Tokyo, JP 234 1202
Shiokawa, Yohei Tokyo, JP 92 329

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