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Proceedings 2017, 1(4), 621; doi:10.3390/proceedings1040621

All Inkjet-Printed B Field Sensor

DIEEI University of Catania, v.le A. Doria, 6-95125 Catania, Italy
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 17 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
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Abstract

This paper presents the realization and the experimental characterization of a low cost inkjet-printed DC magnetic field sensor. The device consists of a thin flexible cantilever beam operated at its first resonance frequency by the interaction between the target magnetic field and an AC current flowing through a coil printed on the beam. A resistive readout strategy is implemented by a printed strain gauge to measure the beam deflection strength, which is correlated to the target field strength. A dedicated electronics is used for the sake of the sensor operation. The sensor behaviour has been investigated for different values of the driving current and the target magnetic field. As an example, the sensor responsivity and resolution for a driving current of 20 mA @ 9.1 Hz (the beam resonance frequency) are 0.009 Ω/Ω/T and 1.2 mT, respectively.
Keywords: magnetic sensor; inkjet printing; rapid prototyping magnetic sensor; inkjet printing; rapid prototyping
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Andò, B.; Baglio, S.; Marletta, V.; Pistorio, A. All Inkjet-Printed B Field Sensor. Proceedings 2017, 1, 621.

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