Precise resistance ratio measurements using a superconducting dc ratio transformer
作者:
I. K. Harvey,
H. C. Collins,
期刊:
Review of Scientific Instruments
(AIP Available online 1973)
卷期:
Volume 44,
issue 12
页码: 1700-1702
ISSN:0034-6748
年代: 1973
DOI:10.1063/1.1686036
出版商: AIP
数据来源: AIP
摘要:
The application of a superconducting dc ratio transformer to precise resistance ratio measurement at temperatures below 2.2 K is described. Resistors of Si&sngbnd;Cu alloy have been tested for stability under thermal cycling and their load coefficient has been measured. The load coefficient measurements lead to a determination of the combined thermal conductance of the wire insulation and Kapitza thermal boundary conductance.
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