MEMS MAGNETIC FIELD SENSOR

MEMS MAGNETIC FIELD SENSOR

The disclosure provides a magnetic field sensor for sensing the magnetic field caused by a current to be measured, which includes: substrate; a first drive electrode with a path for flowing a reference current supplied from the substrate arranged so as to be moveable by the magnetic field of the cur...

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Hauptverfasser: KO YONG JUN, SEO JEONG GI, CHOI WAN SEOP, JI CHIL YOUNG, SEO SANG WON, KWON SEUNG HWA
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator KO YONG JUN
SEO JEONG GI
CHOI WAN SEOP
JI CHIL YOUNG
SEO SANG WON
KWON SEUNG HWA
description The disclosure provides a magnetic field sensor for sensing the magnetic field caused by a current to be measured, which includes: substrate; a first drive electrode with a path for flowing a reference current supplied from the substrate arranged so as to be moveable by the magnetic field of the current to be measured; and a second drive electrode with a path for flowing a reference current supplied from the substrate arranged so as to be moveable by the magnetic field of the current to be measured, thus measuring the variation of a capacitance caused by the movement of the first drive electrode and the second drive electrode. Hence, the sensing is achieved by the two drive electrodes with no reference electrode, thus maximizing the mechanical displacement to improve the sensing capability.
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title MEMS MAGNETIC FIELD SENSOR
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