IEC 61788-7:2019 PRV 
Pre release version

Superconductivity - Part 7: Electronic characteristic measurements - Surface resistance of high-temperature superconductors at microwave frequencies

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Abstract

This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2019-12-20 to 2020-01-31. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.

IEC 61788-7:2020 describes measurement of the surface resistance (Rs) of superconductors at microwave frequencies by the standard two-resonator method. The object of measurement is the temperature dependence of Rs at the resonant frequency.
The applicable measurement range of Rs for this method is as follows:
- Frequency: 8 GHz < f < 30 GHz
- Measurement resolution: 0,01 m at 10 GHz
The Rs data at the measured frequency, and that scaled to 10 GHz, assuming the f 2 rule for comparison, is reported.

This third edition cancels and replaces the second edition, published in 2006. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) informative Annex B, relative combined standard uncertainty for surface resistance measurement has been added;
b) precision and accuracy statements have been converted to uncertainty;
c) reproducibility in surface resistant measurement has been added.

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Additional information

Publication typeInternational Standard
Publication date2019-12-20
Edition3.0
Available language(s)English/French
TC/SCTC 90 - Superconductivityrss
ICS17.220.20 - Measurement of electrical and magnetic quantities
29.050 - Superconductivity and conducting materials
Stability date  2027
Pages87
File size4094 KB

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