Characteristics of Matsushita Carbon Resistors as the Thermometer for Use between 0.4K and 4.2K

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1973Publisher:Cryogenic Association of JapanJournal:TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), volume 8, pages 18-22 (issn: 0389-2441, eissn: 1880-0408,

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Authors: GOTOH, Masahiko; AWANO, Mitsuru;

doi: 10.2221/jcsj.8.18

Characteristics of Matsushita Carbon Resistors as the Thermometer for Use between 0.4K and 4.2K

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Abstract

Matsushita radio carbon resistors (grade ERC-18GK nominal resistance 100Ω and wattage 1/8) are found to have useful characteristics for the thermometer in a temperature range between 0.4K and 4.2K. Their characteristics are reproducible to within 1.5% in average after thermal cycling between room temperature and 1K. Temperatures calculated by the formula T=(AlogR+B/logR+C)-1 are within 0.01K from that of measured temperatures in the region 0.4K-4.2K. The sensitivity is about 300Ω/deg. at 0.4K.

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Tamagawa University
Japan
Institute of Science Tokyo
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