Dielectric resonator and method for making

Details Dielectric resonator and method for making Dielectric resonator and method for making

1985-11-15

1987-05-26

Gensler, Paul

Wave transmission lines and networks

Resonators

333222, 29600, 204 371, 204 384, H01P 700, H01P 704, H01P 1100

Patent

active

046689257

ABSTRACT:
An improved dielectric resonator for high frequency operation having improved unloaded Q is provided which is prepared by forming a first copper coating on the ceramic body to a thickness of 0.2 to 1 .mu.m by electroless plating or vacuum deposition, electrolytic plating a second copper coating on the first coating to a thickness of at least two-fold of the skin depth, and heat treating the thus coated body at 120.degree.-300.degree. C. in a reducing atmosphere or at 700.degree.-1080.degree. C. in a weakly acidic atmosphere.

REFERENCES:
patent: 3048495 (1972-08-01), Petkus et al.
patent: 3955161 (1976-05-01), MacTurk
patent: 3985851 (1976-10-01), MacTurk
patent: 3993802 (1976-11-01), Polichette et al.
patent: 4259409 (1981-03-01), Arnold
patent: 4454489 (1984-06-01), Donazzan et al.
patent: 4506241 (1985-03-01), Makimoto et al.

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