Barium titanate base ceramic composition having a high dielectri

Details Barium titanate base ceramic composition having a high dielectri Barium titanate base ceramic composition having a high dielectri

1976-10-04

1977-11-29

Wyman, Daniel E.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 7331, 252520, C04B 3546, H01B 108

Patent

active

RE0294845

ABSTRACT:
A ceramic composition having a high dielectric constant which has good stability with temperature variation and the passage of time includes BaTiO.sub.3 in which the molecular ratio of Ba to Ti ranges from about 0.9 to 1.1 as the basic constituent and about 0.1 to 10 mol % of at least one compound selected from the group of Nb.sub.2 O.sub.5 and Ta.sub.2 O.sub.5 and about 0.01 to 15 mol % of at least one compound selected from the group consisting of In.sub.2 O.sub.3, Ga.sub.2 O.sub.3, Tl.sub.2 O.sub.3, MgO, ZnO and NiO as sub constituents.

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patent: 3975307 (1976-08-01), Matsuo et al.
"Three -Step Positive Temperature Coefficient of Resistivity...," Kuwabara et al., CA 79:71231t (1973).

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