MAGNETIC SENSOR

An accurate highly sensitive magnetic sensor 10 is provided.Since a soft magnetic film 44 is electrodeposited on a surface of a conductor portion 42, a magnetic field Be can be generated on the soft magnetic film 44 by a current supply portion 22 causing a current Ie to flow through the conductor po...

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Bibliographic Details
Main Authors MIYAZAKI Hideki, MAEKAWA Kazunobu, KATO Shinsuke
Format Patent
LanguageEnglish
French
German
Published 18.03.2020
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Abstract An accurate highly sensitive magnetic sensor 10 is provided.Since a soft magnetic film 44 is electrodeposited on a surface of a conductor portion 42, a magnetic field Be can be generated on the soft magnetic film 44 by a current supply portion 22 causing a current Ie to flow through the conductor portion 42, and magnetic detection can be performed by the coil 50 detecting a detection magnetic field generated due to magnetic moments of the soft magnetic film 44 changing between a state without application of the applied magnetic field Be and a state of being magnetized by the applied magnetic field Be. Since the magnetic moment of the soft magnetic film 44 is oriented in the circumferential direction of the conductor portion 42 orthogonal to the longitudinal direction of the conductor portion 42, and the magnetic moments directed oppositely to each other are distributed in substantially equal amounts, the linearity of the sensor output with respect to the external magnetic field Bex to be measured by the magnetic sensor 10 can be made favorable.
AbstractList An accurate highly sensitive magnetic sensor 10 is provided.Since a soft magnetic film 44 is electrodeposited on a surface of a conductor portion 42, a magnetic field Be can be generated on the soft magnetic film 44 by a current supply portion 22 causing a current Ie to flow through the conductor portion 42, and magnetic detection can be performed by the coil 50 detecting a detection magnetic field generated due to magnetic moments of the soft magnetic film 44 changing between a state without application of the applied magnetic field Be and a state of being magnetized by the applied magnetic field Be. Since the magnetic moment of the soft magnetic film 44 is oriented in the circumferential direction of the conductor portion 42 orthogonal to the longitudinal direction of the conductor portion 42, and the magnetic moments directed oppositely to each other are distributed in substantially equal amounts, the linearity of the sensor output with respect to the external magnetic field Bex to be measured by the magnetic sensor 10 can be made favorable.
Author MIYAZAKI Hideki
MAEKAWA Kazunobu
KATO Shinsuke
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DocumentTitleAlternate MAGNETISCHER SENSOR
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Snippet An accurate highly sensitive magnetic sensor 10 is provided.Since a soft magnetic film 44 is electrodeposited on a surface of a conductor portion 42, a...
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SubjectTerms MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
Title MAGNETIC SENSOR
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