| microwave resonator fabricated from superconductors used in the typical frequency range of 300 MHz to 30 GHz
Note 1 to entry: Because the surface resistance of the superconductor at microwave frequencies is extremely low, the superconducting microwave resonator can be made with quality factors (Q) far in excess of those fabricated from conventional materials. Note 2 to entry: This entry was numbered 815-16-49 in IEC 60050-815:2015.
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