Progress in Superconductivity
- Volume 4 Issue 1
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- Pages.80-85
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- 2002
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- 1229-4764(pISSN)
Fabrication of RRR Measuring System for Disseminating IEC International Standard
IEC국제규격을 보급하기 위한 RRR측정장치 제작
- Kyu Won Lee (Korea Research Institute of Standards and Science) ;
- Kyu Tae Kim (Korea Research Institute of Standards and Science)
- Published : 2002.01.01
Abstract
In order to disseminate the IEC international standard of RRR measurement of Cu/Nb/-Ti composite superconductors, a measuring system was developed at KRISS. The system consisted of helium reservoir, base plate, thermometer, voltmeter and current source. The helium reservoir and base plate provided a stable temperature of a range from 4.2 K to 300 K and the voltmeter measured several order of