Invention Grant
- Patent Title: Magnetic device and magnetic random access memory
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Application No.: US17516469Application Date: 2021-11-01
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Publication No.: US11672185B2Publication Date: 2023-06-06
- Inventor: Ji-Feng Ying , Jhong-Sheng Wang , Tsann Lin
- Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- Applicant Address: TW Hsinchu
- Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- Current Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- Current Assignee Address: TW Hsinchu
- Agency: McDermott Will & Emery LLP
- The original application number of the division: US16592007 2019.10.03
- Main IPC: G11C7/00
- IPC: G11C7/00 ; H01L43/02 ; H01L43/10 ; H01L43/12 ; H01F10/32 ; G11C11/16 ; H01L27/22 ; H01L43/04

Abstract:
A magnetic memory includes a first spin-orbital-transfer-spin-torque-transfer (SOT-STT) hybrid magnetic device disposed over a substrate, a second SOT-STT hybrid magnetic device disposed over the substrate, and a SOT conductive layer connected to the first and second SOT-STT hybrid magnetic devices. Each of the first and second SOT-STT hybrid magnetic devices includes a first magnetic layer, as a magnetic free layer, a spacer layer disposed under the first magnetic layer, and a second magnetic layer, as a magnetic reference layer, disposed under the spacer layer. The SOT conductive layer is disposed over the first magnetic layer of each of the first and second SOT-STT hybrid magnetic devices.
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