Dielectric ceramic composition

Details Dielectric ceramic composition Dielectric ceramic composition

1986-07-24

1987-12-15

Bell, Mark L.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

501137, 501138, 501139, C04B 3546

Patent

active

047137266

ABSTRACT:
A dielectric ceramic composition which comprises a mixture of 7 to 25 mole% of BaTiO.sub.3, 0.1 to 15 mole% of Bi.sub.2 O.sub.3, 50 to 65 mole% of TiO.sub.2, 0.1 to 5 mole% of LaO.sub.3/2 and 15 to 45 mole% of NdO.sub.3/2 in a total of 100 mole%. At least one member selected from the group consisting of Y.sub.2 O.sub.3, Gd.sub.2 O.sub.3 and CeO.sub.2, and at least one member selected from the group consisting of Cr.sub.2 O.sub.3, MnO.sub.2, NiO and CoO are further added to the mixture in amounts of from 0.1 to 5 parts by weight and from 0.01 to 1 part by weight per 100 parts by weight of the mixture, respectively.

REFERENCES:
patent: 4054531 (1977-10-01), Takahashi et al.
patent: 4338403 (1982-07-01), Kawashima et al.
patent: 4394456 (1983-07-01), Sakabe et al.
patent: 4500942 (1985-02-01), Wilson

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