Invention Grant
- Patent Title: Spiking neural network hardware based on magnetic-tunnel-junction layer stacks
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Application No.: US17974790Application Date: 2022-10-27
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Publication No.: US11894029B1Publication Date: 2024-02-06
- Inventor: Vinayak Bharat Naik , Joel Tan , Jia Hao Lim , Kazutaka Yamane
- Applicant: GlobalFoundries Singapore Pte. Ltd.
- Applicant Address: SG Singapore
- Assignee: GlobalFoundries Singapore Pte. Ltd.
- Current Assignee: GlobalFoundries Singapore Pte. Ltd.
- Current Assignee Address: SG Singapore
- Agency: Thompson Hine LLP
- Main IPC: G11B5/39
- IPC: G11B5/39

Abstract:
Structures including a magnetic-tunnel-junction layer stack and methods of forming such structures. The structure comprises a magnetic-tunneling-junction layer stack including a reference layer, an antiferromagnetic layer, a free layer positioned between the reference layer and the antiferromagnetic layer, and a tunnel barrier layer positioned between the reference layer and the free layer. The antiferromagnetic layer has a static magnetic field with a magnetization, and the antiferromagnetic layer is antiferromagnetically coupled to the free layer.
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