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Vol. 65, Issue 3, March 2006, pp. 509-514




Multilayer Based Technology to Build RTD Fluxgate Magnetometer



DIEES, University of Catania, Viale A. Doria 6, 95125 Catania, +39 095 7382309

E-mail: bruno.ando@diees.unict.it, http://www.measurement.dees.unict.it



Received:  14 February 2006   Accepted: 22 March 2006   Published: 27 March 2006



Abstract. In this paper we discuss the main features of the Residence Times Difference Fluxgate Magnetometer. A low-cost technology, negligible onboard power requirements and the intrinsic digital form of the readout signal are the main advantages of the proposed strategy. Results obtained show the possibility to realise low-cost devices exploiting Printed Circuit Board (PCB) technology for applications requiring resolution in the nanotesla range as the ferrous object (or particles) detection, being the performance obtained suitable to detect the presence or the transit of ferrous materials via their interaction with the geomagnetic field.


Keywords: magnetic sensor, fluxgate, PCB technology sensor


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