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公开(公告)号：US11719773B2
公开(公告)日：2023-08-08
申请号：US17375166
申请日：2021-07-14
Applicant: GLOBALFOUNDRIES U.S. Inc.
Inventor： Hemant M. Dixit , Vinayak Bharat Naik , Kazutaka Yamane , Eng Huat Toh
CPC classification number: G01R33/098 , G01R33/0005 , G01R33/093
Abstract: A magnetic field sensor may include a plurality of MTJ elements. Each MTJ element of has a state indicated by a magnetic moment direction of a sensing layer relative to a pinned, reference layer in an absence of an external magnetic field. The plurality of MTJ elements are arranged into two identical sets of at least two MTJ elements, where each MTJ element in each respective set has a different state. The states of the MTJ elements are arranged in a manner to measure the external magnetic field regardless of the direction of the external magnetic field. The MTJ elements include identical layers, and are electrically serially connected.
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公开(公告)号：US20230014455A1
公开(公告)日：2023-01-19
申请号：US17375166
申请日：2021-07-14
Applicant: GLOBALFOUNDRIES U.S. Inc.
Inventor： Hemant M. Dixit , Vinayak Bharat Naik , Kazutaka Yamane , Eng Huat Toh
Abstract: A magnetic field sensor may include a plurality of MTJ elements. Each MTJ element of has a state indicated by a magnetic moment direction of a sensing layer relative to a pinned, reference layer in an absence of an external magnetic field. The plurality of MTJ elements are arranged into two identical sets of at least two MTJ elements, where each MTJ element in each respective set has a different state. The states of the MTJ elements are arranged in a manner to measure the external magnetic field regardless of the direction of the external magnetic field. The MTJ elements include identical layers, and are electrically serially connected.
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