High dielectric porcelain composition and method of reducing sin

Details High dielectric porcelain composition and method of reducing sin High dielectric porcelain composition and method of reducing sin

1986-05-02

1987-09-08

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

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

501135, 501134, C04B 3546

Patent

active

046924221

ABSTRACT:
A high dielectric porcelain composition having, as a main component, a Pb(Mg 1/3, Nb 2/3)O.sub.3 -PbTiO.sub.3 -Pb(Mn 1/3, Nb 2/3)O.sub.3 system including 95 mol. % of Pb(Mg 1/3, Nb 2/3)O.sub.3, 5 mol. % of PbTiO.sub.3 and 0.5 weight % of Pb(Mn 1/3, Nb 2/3)O.sub.3, and, in addition, a sub-component including PbO and ZnO. Such a dielectric porcelain is capable of being sintered at a temperature lower than 1000.degree. C. A method of reducing the sintering temperature of such a high dielectric porcelain composition, is also provided.

REFERENCES:
patent: 4265668 (1981-05-01), Fujiwara et al.
patent: 4339544 (1982-07-01), Sakabe et al.
patent: 4482935 (1984-11-01), Wheeler
patent: 4530031 (1985-07-01), Donohue

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