Magnetic Field Sensor With Optimized Coil Configurations for Flux Guide Reset

Magnetic Field Sensor With Optimized Coil Configurations for Flux Guide Reset

A sensor structure includes sensing elements, a flux guide, and a flux guide reset mechanism. The flux guide is configured to guide magnetic flux in a plane for detection by the sensing elements. The flux guide reset mechanism is configured to set the flux guide to a predetermined magnetic orientati...

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Hauptverfasser: Livshitz, Boris, Mather, Phillip
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Sprache:eng
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator Livshitz, Boris
Mather, Phillip
description A sensor structure includes sensing elements, a flux guide, and a flux guide reset mechanism. The flux guide is configured to guide magnetic flux in a plane for detection by the sensing elements. The flux guide reset mechanism is configured to set the flux guide to a predetermined magnetic orientation. The flux guide reset mechanism includes at least a first coil and a second coil. The first coil is configured to generate a first magnetic field. The first coil includes first coil segments. The second coil is configured to generate a second magnetic field. The second coil includes second coil segments. The flux guide is disposed between the first coil and the second coil. The first coil segments and the second coil segments are configured such that a first magnetic field profile of the first magnetic field is coherent with a second magnetic field profile of the second magnetic field with respect to at least at a region of the flux guide that overlaps the sensing elements.
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Magnetic Field Sensor With Optimized Coil Configurations for Flux Guide Reset
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