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Title:
SPIN CURRENT MAGNETIZATION REVERSAL ELEMENT AND SPIN ORBIT TORQUE TYPE MAGNETIC RESISTANCE EFFECT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/049591
Kind Code:
A1
Abstract:
This spin current magnetization reversal element (10) comprises a spin orbit torque wiring (2) extending in a first direction (X), and a first ferromagnetic layer (1) disposed in a second direction (Z) intersecting with the first direction of the spin orbit torque wiring. The spin orbit torque wiring has a first surface (2a) located to the side whereon the first ferromagnetic layer is disposed, and a second surface (2b) to the side facing away from the first surface. On the first surface and outside of a first region (2A) wherein the first ferromagnetic layer is disposed, the spin orbit torque wiring has second regions (2B), which are recessed toward the second surface with respect to the first region.

Inventors:
SASAKI Tomoyuki (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
SHIOKAWA Yohei (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
Application Number:
JP2018/029754
Publication Date:
March 14, 2019
Filing Date:
August 08, 2018
Export Citation:
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Assignee:
TDK CORPORATION (2-5-1, Nihonbashi Chuo-k, Tokyo 28, 〒1036128, JP)
International Classes:
H01L29/82; H01L21/8239; H01L27/105; H01L43/08; H01L43/12; H03B15/00
Foreign References:
JP2017059594A2017-03-23
JP2018074140A2018-05-10
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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