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公开(公告)号：US20240302326A1
公开(公告)日：2024-09-12
申请号：US18180666
申请日：2023-03-08
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Bichoy Waguih Bahr , Ting-Ta Yen , Yogesh Kumar Ramadass
CPC classification number: G01N29/09 , G01N29/2437 , G01N29/2475 , G01N29/348 , G06F21/76 , G01N2291/018
Abstract: An integrated circuit (IC) includes a semiconductor substrate and a mold compound on the semiconductor substrate. The IC also includes an acoustic signal generator between the mold compound and the semiconductor substrate. The acoustic signal generator is configured to transmit an acoustic signal having a predetermined set of frequencies through at least one of the semiconductor substrate or the mold compound.
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公开(公告)号：US11467228B2
公开(公告)日：2022-10-11
申请号：US17095271
申请日：2020-11-11
Applicant: Texas Instruments Incorporated
Abstract: In described examples, a magnetic sensor includes a waveguide that encapsulates dipolar molecules. A mm-wave electromagnetic field is launched into the waveguide, travels through the dipolar molecules, and is then received after passing through the dipolar molecules. The frequency of the mm-wave electromagnetic signal is swept across a range that includes an intrinsic quantum rotational state transition frequency (Fr) for the dipolar molecules. Absorption peaks in accordance with the Zeeman effect are determined. A strength of a magnetic field affecting the magnetic sensor is proportional to a difference in the frequencies of the absorption peaks.
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公开(公告)号：US20220146601A1
公开(公告)日：2022-05-12
申请号：US17095271
申请日：2020-11-11
Applicant: Texas Instruments Incorporated
Abstract: In described examples, a magnetic sensor includes a waveguide that encapsulates dipolar molecules. A mm-wave electromagnetic field is launched into the waveguide, travels through the dipolar molecules, and is then received after passing through the dipolar molecules. The frequency of the mm-wave electromagnetic signal is swept across a range that includes an intrinsic quantum rotational state transition frequency (Fr) for the dipolar molecules. Absorption peaks in accordance with the Zeeman effect are determined. A strength of a magnetic field affecting the magnetic sensor is proportional to a difference in the frequencies of the absorption peaks.
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