Reduction-reoxidation type semiconducting ceramic capacitor

Details Reduction-reoxidation type semiconducting ceramic capacitor Reduction-reoxidation type semiconducting ceramic capacitor

1974-08-14

1976-11-30

Larkins, William D.

Compositions: coating or plastic

Coating or plastic compositions

Alkali metal silicate containing

106 732, 106 733, 357 14, H01L 2995, H01G 412

Patent

active

039953009

ABSTRACT:
An improved reduction-reoxidation type semiconducting ceramic capacitor and the method for producing the same are disclosed. The main components of the substrate of the capacitor are CaTiO.sub.3, SrTiO.sub.3 and Bi.sub.2 O.sub.3.xTiO.sub.2. Said substrate also contains at least one member selected from the group consisting of manganese, cobalt, nickel, chromium, vanadium, niobium, tantalum, lanthanum and cerium ions in total amounts of 0.025 to 0.4% by weight. The capacitor according to the present invention excels, in the temperature independency of the capacitance and tan .delta., etc.

REFERENCES:
patent: 3069276 (1962-12-01), Domanski
patent: 3499772 (1970-03-01), Fujiwara et al.
patent: 3673119 (1972-06-01), Ueoka et al.

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