A Development of a Thin Wire Resistance Thermometer with Isotropic Magneto-Resistance

  • Koichi Nara
  • Hideyuki Kato
  • Masahiro Okaji
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 37)


A thin wire thermometer with isotropic magneto-resistance can be made by adjusting a pitch angle θp in the winding of the sensing wire to a magic angle, arctan(1/√2). Several sensors with different pitch angles were examined and a systematic relationship between their pitch angles and the magneto-resistance was observed. In case of the best sensor, the anisotropy of the magneto-resistance is about 4%, which is reduced from 35% for a commercial platinum resistance sensor.


Pitch Angle High Magnetic Field Magic Angle Thin Wire Platinum Resistance Thermometer 
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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Koichi Nara
    • 1
  • Hideyuki Kato
    • 1
  • Masahiro Okaji
    • 1
  1. 1.National Research Laboratory of Metrology 1-4Tsukuba, IbarakiJapan

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