Method of producing a dielectric with perowskite structure and c

Details Method of producing a dielectric with perowskite structure and c Method of producing a dielectric with perowskite structure and c

1978-08-16

1980-09-16

Pitlick, Harris A.

Compositions

Electrolytes for electrical devices

106 395, 106 733, 106 7331, 252 635, H01B 312

Patent

active

042228859

ABSTRACT:
Method for producing a dielectric having perowskite structure comprising stoichiometric alkaline earth titanates, alkaline earth zirconates, alkaline earth stannates and mixed crystals thereof, wherein an admixture of eutectic-forming compounds which are capable of forming CuO.MeO.sub.x when sintered in an oxygen atmosphere, which cannot in practice be built into the perowskite lattice, are added to the stoichiometric perowskite structure and wherein the mixture of compounds is sintered at a partial oxygen pressure of 0.2 to 1 Bar in the temperature range from 1000.degree.-1250.degree. C., MeO.sub.x in the above-mentioned formula being the oxide of at least one element of group III, V, VI or VII of the Periodic System of Elements (P.S.E.).

REFERENCES:
patent: 3441517 (1969-04-01), Braver et al.
patent: 3473958 (1969-10-01), Waku
patent: 3490887 (1970-01-01), Herczog et al.
patent: 3851228 (1974-11-01), Sheard
patent: 3977887 (1976-08-01), McIntosh
patent: 4143207 (1979-03-01), Itakura et al.

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