Magnetic sensor including a multilayer structure comprising a piezomagnetic component, a magnetostrictive component and a piezoelectric component

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United States of America Patent

PATENT NO 11698420
APP PUB NO 20220291298A1
SERIAL NO

17690069

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Abstract

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A magnetic sensor includes a piezomagnetic component which includes a first piezomagnetic element and a second piezomagnetic element that are arranged opposite to each other, a magnetostrictive component which includes a first magnetostrictive element and a second magnetostrictive element arranged opposite to each other on the same side of the first piezomagnetic element and the second piezomagnetic element, respectively, and a piezoelectric component which includes a first piezoelectric element deposited underneath the first piezomagnetic element, a second piezoelectric element deposited underneath the second piezomagnetic element, a third piezoelectric element deposited underneath the first magnetostrictive element, and a fourth piezoelectric element deposited underneath the second magnetostrictive element. The first piezoelectric element and the second piezoelectric element are electrically connected to a power supply circuit, and produce first deformation, which is applied to the first piezomagnetic element and the second piezomagnetic element to produce an alternating magnetic field.

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Patent Owner(s)

  • LOMARE CHIP TECHNOLOGY CHANGZHOU CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mihai, Andrei Paul Brasov, RO 3 1
Zemen, Jan Klatovy, CZ 6 145
Zou, Bin Zhangzhou, CN 92 1054

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