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Sensors 2014, 14(6), 10644-10649; doi:10.3390/s140610644
Short Note

A Magnetic Sensor with Amorphous Wire

*  and
National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
* Author to whom correspondence should be addressed.
Received: 29 April 2014 / Revised: 3 June 2014 / Accepted: 13 June 2014 / Published: 17 June 2014
(This article belongs to the Section Physical Sensors)
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Abstract

Using a FeCoSiB amorphous wire and a coil wrapped around it, we have developed a sensitive magnetic sensor. When a 5 mm long amorphous wire with the diameter of 0.1 mm was used, the magnetic field noise spectrum of the sensor was about 30 pT/ÖHz above 30 Hz. To show the sensitivity and the spatial resolution, the magnetic field of a thousand Japanese yen was scanned with the magnetic sensor.
Keywords: magnetic sensor; amorphous wire; FeCoSiB magnetic sensor; amorphous wire; FeCoSiB
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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He, D.; Shiwa, M. A Magnetic Sensor with Amorphous Wire. Sensors 2014, 14, 10644-10649.

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