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Highly Stable Microwave ResonatorSuperconducting walls on sapphire-filled cavity make low-loss device. Improved microwave resonant cavity consists of sapphire cylinder coated with thin film of superconducting lead. Operated well below superconducting transition temperature at 1.5K, cavity demonstrated superior frequency stability and quality factor. Cavity frequency highly stable and therefore suitable for use in standard frequency generators and filters.
Document ID
19870000308
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Strayer, Donald M. (Caltech)
Thakoor, Sarita (Caltech)
Dick, G. John (Caltech)
Mercereau, James E. (Caltech)
Date Acquired
August 13, 2013
Publication Date
July 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 7
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
NPO-16663
Accession Number
87B10308
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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