Dual operation mode all temperature filter using superconducting resonators
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United States of America Patent
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Issued Date -
Nov 8, 2001
app pub date -
Feb 7, 2000
filing date -
Sep 22, 1998
priority date (Note) -
Abandoned
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Abstract
A dual operation mode all temperature filter is provided. The dual operation mode filter is provided with a housing defining at least two cavities, an input port and an output port. It is also provided with a non-superconducting resonator disposed in a first one of the cavities and a superconducting resonator disposed in a second one of the cavities. The second resonator comprises a superconducting material containing 8-15% silver. The dual operation mode filter filters at a relatively high level at temperatures below a threshold temperature and at a lower, conventional level, at temperatures below the threshold.
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