Ceramic dielectric composition containing alkali metal oxide

Details Ceramic dielectric composition containing alkali metal oxide Ceramic dielectric composition containing alkali metal oxide

1977-08-10

1978-10-10

Pitlick, Harris A.

Compositions

Electrolytes for electrical devices

252 635, 106 71, 106 73, 106 733, 106 7331, H01B 312

Patent

active

041195540

ABSTRACT:
A ceramic dielectric composition is provided including 35 to 93.5% by weight of SrTiO.sub.3, 4 to 40% by weight of Bi.sub.2 O.sub.3, at least 2.5% but less than 60% by weight of TiO.sub.2, and 0.1 to 5.0% by weight, of an alkali metal oxide based on the total amount of SrTiO.sub.3, Bi.sub.2 O.sub.3 and TiO.sub.2. The ceramic dielectric composition has a high dielectric constant and low dielectric loss and exhibits reduced variations of dielectric constant and the dielectric loss with respect to variation of an applied voltage.

REFERENCES:
patent: 3352697 (1967-11-01), Fujiwara et al.
patent: 3709704 (1973-01-01), Matsuo et al.
patent: 3869398 (1975-03-01), Yamaoka et al.
patent: 3933668 (1976-01-01), Takahashi et al.
patent: 4017320 (1977-04-01), Fujiwara et al.
patent: 4058404 (1977-11-01), Fujiwara et al.

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