High power superconductive circuits and method of construction thereof
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United States of America Patent
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Mar 21, 2000
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 28, 1994
priority date (Note) -
Expired
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Abstract
A high power high temperature superconductive circuit for use in various microwave devices including filters, dielectric resonator filters, multiplexers, transmission lines, delay lines, hybrids and beam-forming networks has thin gold films deposited either on a substrate or on top of the high temperature superconductive film. Alternatively, other metal films can be used or a plurality of dielectric films can be used or a dielectric constant gradient substrate can be used. The use of these materials in a part or parts of a microwave circuit reduces the current density in those parts compared to the level of current density if only high temperature superconductive film is used. This increases the power handling capability of the circuit.
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