Dielectric ceramics

Details Dielectric ceramics Dielectric ceramics

1979-12-04

1981-02-03

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 395, 333234, H01B 312

Patent

active

042487277

ABSTRACT:
A dielectric ceramic having a composition expressible by (1-w) (xBaO.multidot.yNa.sub.2 O.multidot.zNb.sub.2 O.sub.5)+wMeO.multidot.ZrO.sub.2 wherein Me denotes Ca or Sr, 0.593.ltoreq.x.ltoreq.0.762, 0.04.ltoreq.y.ltoreq.0.13, 0.174.ltoreq.z.ltoreq.0.32, x+y-z=1, and 0<w.ltoreq.0.95. It exhibits large dielectric constant and low microwave loss with high temperature-stability for resonant frequency and is suitable for use as dielectric resonators, electrical filters, substrates, etc.

REFERENCES:
patent: 3696314 (1972-10-01), Kell et al.
patent: 3708315 (1973-01-01), Matsuo et al.

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