Title:
SPIN ORBIT TORQUE-TYPE MAGNETIZATION SWITCHING ELEMENT AND MAGNETIC MEMORY
Document Type and Number:
WIPO Patent Application WO/2019/045055
Kind Code:
A1
Abstract:
A spin orbit torque-type magnetization switching element according to the present embodiment is provided with: a ferromagnetic metal layer in which magnetization direction switching occurs; a spin orbit torque wire which extends in a first direction intersecting a stacking direction of the ferromagnetic metal layer, and which is bonded to the ferromagnetic metal layer; and two via wires which extend from a surface of the spin orbit torque wire on the opposite side from the ferromagnetic metal layer in an intersecting direction, and which is connected to a semiconductor circuit. A via-to-via distance of the two via wire in the first direction is smaller than a width of the ferromagnetic metal layer in the first direction.
Inventors:
SUDA KEITA (JP)
SASAKI TOMOYUKI (JP)
SASAKI TOMOYUKI (JP)
Application Number:
PCT/JP2018/032404
Publication Date:
March 07, 2019
Filing Date:
August 31, 2018
Export Citation:
Assignee:
TDK CORP (JP)
International Classes:
H01L29/82; H01L21/8239; H01L27/105; H01L43/08
Domestic Patent References:
| WO2016021468A1 | 2016-02-11 |
Foreign References:
| JP2017059679A | 2017-03-23 | |||
| JP2017059594A | 2017-03-23 | |||
| JP2016046492A | 2016-04-04 | |||
| JP2017059634A | 2017-03-23 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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