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Remote temperature sensor composed of an amorphous magnetic ribbon and a low Curie temperature ferrite tube
Author(s) -
Nakamura M.,
Yoshizawa S.,
Kutsuzawa N.,
Kambe S.,
Ishii O.
Publication year - 2007
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200777390
Subject(s) - curie temperature , ribbon , amorphous solid , atmospheric temperature range , materials science , ferrite (magnet) , temperature measurement , condensed matter physics , nuclear magnetic resonance , composite material , ferromagnetism , chemistry , crystallography , physics , thermodynamics
This paper describes the application of remote temperature sensors made of an amorphous magnetic ribbon and a low Curie temperature ferrite tube to the measurement of temperature in an arbitrary range. By combining an amorphous magnetic ribbon and a ferrite tube with a Curie temperature of 40 °C, a resonant frequency change rate of 6.3%/°C was realized in the 35 to 40 °C temperature range. Similarly, by combining an amorphous magnetic ribbon and a ferrite tube with a Curie temperature of 47 °C, a resonant frequency change rate of 4.9%/°C was achieved in the 41 to 47 °C temperature range. These values are ∼100 times larger than that of the previously reported remote temperature sensor made only of an amorphous ribbon. Therefore, this confirms that a highly sensitive remote temperature sensor can be realized in an arbitrary temperature range. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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