Dielectric ceramic composition for high frequencies

Details Dielectric ceramic composition for high frequencies Dielectric ceramic composition for high frequencies

1976-07-28

1978-07-25

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 733, 252520, 252 635, C04B 3500, H01B 106, H01B 302

Patent

active

041026969

ABSTRACT:
A dielectric ceramic composition for high frequencies consisting essentially of 83 to 99.8 wt% of a basic composition composed of 22 to 43 wt% of titanium dioxide, 38 to 58 wt% of zirconium dioxide and 9 to 26 wt% of stannic oxide, and 0.2 to 17 wt% of one or two addditives selected from the group consisting of lanthanum oxide, cobaltic oxide and zinc oxide. The dielectric ceramic composition has high permittivity and high Q and is suitable for use as dielectric resonators in microwave bandpass filters, or as antennas employed at microwave frequencies, or as substrates for microwave circuits.

REFERENCES:
patent: 2668118 (1954-02-01), Jonker
patent: 2962452 (1960-11-01), Counts et al.

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