1996
DOI: 10.1016/s0924-4247(97)80066-0
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An integrated micro fluxgate magnetic sensor

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Cited by 59 publications
(30 citation statements)
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“…8(a) V/T) intrinsically can be a factor of 50 higher than the results of [4] and [6] and a factor 4/3 higher than the result of [8]. The fluxgate sensors presented here show that they are suitable for high performance applications.…”
Section: E Dependence On the Frequency Of The Excitation Currentmentioning
confidence: 66%
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“…8(a) V/T) intrinsically can be a factor of 50 higher than the results of [4] and [6] and a factor 4/3 higher than the result of [8]. The fluxgate sensors presented here show that they are suitable for high performance applications.…”
Section: E Dependence On the Frequency Of The Excitation Currentmentioning
confidence: 66%
“…The excitation coil was not integrated on the Si chip. Choi et al [6] demonstrated later a permalloy based micro-fluxgate magnetic sensor using both integrated planar excitation and detection coils combined with on-chip sensor interface circuits and electronics. The fabricated planar sensing element had a magnetic sensitivity of 73 V/T at 1 MHz excitation frequency and with a 150 mA -excitation current.…”
Section: Introductionmentioning
confidence: 99%
“…Substrato com as bobinas coletoras Núcleos (direção de excitação antiparalela) Figura 1.7.2 -Esquema explodido (componentes separados) de um fluxgate plano [15]. Uma bobina satura periodicamente os núcleos ferromagnéticos, um em cada direção.…”
Section: Bobina Excitadoraunclassified
“…A superfície neste segundo caso é em geral irregular e com uma densidade de defeitos muito superior. Na literatura são encontrados sensores planos que utilizam duas ou mais (até quatro [27]) camadas de bobinas [28,15,21,9,29,30]. Já os que fazem uso de solenoides [31,32,33,25,34,14,26] necessitam de duas camadas de trilhas com o núcleo ferromagnético entre estas (como mostra a figura 1.7.1).…”
Section: Fluxgate Plano E O Número De Camadasunclassified
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