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Title:
MAGNETIC DOMAIN WALL UTILIZING ANALOG MEMORY ELEMENT, MAGNETIC DOMAIN WALL UTILIZING ANALOG MEMORY, NON-VOLATILE LOGIC CIRCUIT AND MAGNETIC NEURO-ELEMENT
Document Type and Number:
WIPO Patent Application WO/2018/189964
Kind Code:
A1
Abstract:
The magnetic domain wall utilizing analog memory element according to one mode of the present invention comprises: a magnetized fixed layer (1) wherein the magnetization is oriented in a first direction; a non-magnetic layer (2) provided on one surface of the magnetized fixed layer (1); a magnetic domain wall drive layer (3) provided relative to the magnetized fixed layer (1) such that the non-magnetic layer (2) is held therebetween; a first magnetization supply means (4) supplying to the magnetic domain wall drive layer (3) magnetization oriented in the first direction; and a second magnetization supply means (5) supplying to the magnetic domain wall drive layer (3) magnetization oriented in a second direction opposite the first direction. At least one among the first magnetization supply means (4) and the second magnetization supply means (5) is in contact with the magnetic domain wall drive layer (3), and is a spin orbit torque wiring extending in a direction intersecting with the magnetic domain wall drive layer (3).

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Inventors:
SASAKI TOMOYUKI (JP)
SHIBATA TATSUO (JP)
Application Number:
PCT/JP2017/046623
Publication Date:
October 18, 2018
Filing Date:
December 26, 2017
Export Citation:
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Assignee:
TDK CORP (JP)
International Classes:
H01L21/8239; H01L27/105; H01L29/82; H01L43/08
Domestic Patent References:
WO2009101827A12009-08-20
WO2015068509A12015-05-14
Foreign References:
JP2012039015A2012-02-23
JP2006269885A2006-10-05
JP2010153022A2010-07-08
JP2013197174A2013-09-30
Other References:
SENGUPTA ABHRONIL ET AL.: "A Vision for All-Spin Neural Networks: A Device to System Perspective", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-I, vol. 63, no. 12, 2016, pages 2267 - 2277, XP011635281, DOI: doi:10.1109/TCSI.2016.2615312
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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