Dielectric ceramic composition

Details Dielectric ceramic composition Dielectric ceramic composition

1984-07-11

1985-11-12

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501132, 501136, C04B 3536

Patent

active

045528535

ABSTRACT:
A dielectric ceramic composition comprises a main component comprising, in percent by weight, 32 to 47% SrTiO.sub.3, 26.5 to 46% PbTiO.sub.3, 8 to 16% CaTiO.sub.3, 5 to 16% Bi.sub.2 O.sub.3, and 3 to 10% TiO.sub.2 ; ZnO in an amount of 1 to 3.8% of the total composition; and SiO.sub.2 in an amount of 1 to 3.8% of the total composition. The dielectric ceramic composition having a high dielectric constant, a small voltage dependence of dielectric properties, and a low firing temperature.

REFERENCES:
patent: 3869398 (1975-03-01), Yamaoka et al.
patent: 3933668 (1976-01-01), Takahashi et al.
patent: 4367265 (1983-01-01), Yu et al.
patent: 4405478 (1983-09-01), Murase et al.
patent: 4485181 (1984-11-01), Sakabe

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