Wave transmission lines and networks – Miscellaneous – Multipactor applications
Reexamination Certificate
1999-04-19
2001-01-30
Bettendorf, Justin P. (Department: 2817)
Wave transmission lines and networks
Miscellaneous
Multipactor applications
C333S0990MP
Reexamination Certificate
active
06181220
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to the field of high power microwave devices.
DESCRIPTION OF THE RELATED ART
High power microwave circuits may include waveguides, switches, elbows, and the like. These devices have maximum power limits imposed by “multipaction.” Multipaction refers to electrical discharges in the microwave device that initiate at surface discontinuities where the potential of the e-field is higher than the surrounding surface.
A method of reducing or eliminating these electrical discharges is desired.
SUMMARY OF THE INVENTION
The present invention is a method of treating a microwave circuit having a metal surface, including: selecting a substance from the group consisting of a silicone and a silicone precursor, and applying a fluid containing the selected substance to the metal surface of the microwave circuit.
According to another aspect of the invention, a microwave circuit has a metal surface. The surface has applied thereon a fluid containing either a silicone or a silicone precursor.
REFERENCES:
patent: 4374367 (1983-02-01), Forterre
patent: 4639379 (1987-01-01), Asai et al.
patent: 4866231 (1989-09-01), Schneider
Bettendorf Justin P.
Duane Morris & Heckscher LLP
Koffs Steven E.
Lucent Technologies - Inc.
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