Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – High frequency waveguides – resonators – electrical networks,...
Reexamination Certificate
2005-08-23
2005-08-23
Lee, Benny T. (Department: 2817)
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
High frequency waveguides, resonators, electrical networks,...
C333S0990MP, C333S204000, C333S219000, C505S700000, C505S866000
Reexamination Certificate
active
06934569
ABSTRACT:
A resonator for use in a radio frequency filter including a substantially planar resonant portion that is substantially elliptical in plan. The resonant portion is mounted on a dielectric substrate. The resonator is configured to operate in at least a mode in which resonance occurs with a radial current and with substantially no current along the edge of the resonant portion. A filter comprising a plurality of the resonators is also disclosed.
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patent: 6064895 (2000-05-01), Baumfalk et al.
patent: 6239674 (2001-05-01), Enokihara et al.
patent: 6252475 (2001-06-01), Enokihara et al.
patent: 660438 (1995-06-01), None
Hogan & Hartson L.L.P.
Lee Benny T.
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