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Two-Axis, Miniature Fluxgate Sensors

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4 Author(s)
Frydrych, P. ; Inst. of Metrol. & Biomed. Eng., Warsaw Univ. of Technol., Warsaw, Poland ; Szewczyk, R. ; Salach, J. ; Trzcinka, K.

Miniature fluxgate sensors are recently intensively developed and have become a valuable alternative to other magnetic sensors types. Presented two-axis miniature fluxgate sensors show new opportunities for further miniaturization of fluxgate magnetometers. Frame-shaped amorphous alloys cores for the sensors were etched from 25 μm-thick tape. Sensors were made in printed circuit board (PCB) multilayer technology. Sensors with Fe-based and Co-based cores were tested for different values of constant magnetic field in two directions. Experimental results confirmed their ability to accurately obtain two directional magnetic field measurements.

Published in:

Magnetics, IEEE Transactions on  (Volume:48 ,  Issue: 4 )