Geometrical analysis of planar coil design for fluxgate magnetometer

Yunas, Jumril; Sulaiman, Nadiah; Sugandi, Gandi; Hamzah, Azrul Azlan; Majlis, Burhanuddin Yeop

doi:10.1007/s00542-010-1123-8

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An out-of-plane sensing fluxgate magnetic field sensor with an assisted flux conductor

Hsieh

Chen

2021

AIP Advances

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An out-of-plane sensing fluxgate sensor based on the printing process and assembled with core and flux conductors is proposed. The assisted inverted V-shaped flux conductor is utilized to collect the out-of-plane magnetic flux and direct it in the in-plane direction. Through the transmitted magnetic flux, the planar construction of the coil and core achieves out-of-plane sensing. Under a sinusoidal excitation signal of frequency 50 kHz and a current of 400 mA, the presented sensor shows a sensitivity of 127.3 V/T within a linear range of 0 µT–80 µT and with nonlinearity below 5%.

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