Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – High frequency waveguides – resonators – electrical networks,...
Patent
1997-06-20
2000-06-20
Lee, Benny T.
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
High frequency waveguides, resonators, electrical networks,...
505700, 505701, 505866, 333 99005, 333161, H01P 118, H01B 1202
Patent
active
060788275
ABSTRACT:
A ferroelectric phase shifter in the form of a coplanar waveguide and a method of fabrication thereof in which a ferroelectric film and a high temperature superconductor film are deposited onto a substrate in of a number of configurations. The high temperature superconductor material is biased in order to vary the dielectric constant of the ferroelectric material. Changing the dielectric constant enables varying the amount of phase shift of a wave applied to the phase shifter.
REFERENCES:
Jackson, Charles M.; "Novel Monolithic Phase Shifter Combining Ferroelectric and High Temperature Superconductors"; Microwave and Optical Technology Letters; Dec. 20, 1992; pp 722-726.
Withers, R.S. et al; "High Tc Superconducting Thin Films for Microwave Applications"; Solid State Technology; vol. 33, No. 8; Aug. 1990; pp 83-87 .
Lee Benny T.
TRW Inc.
Yatsko Michael S.
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