Reduction-reoxidation type semiconducting ceramic capacitor

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

1976-02-03

1978-02-14

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 61, 264 66, 106 733, 252 63, C04B 3546

Patent

active

040738469

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 .multidot.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: 3704266 (1972-11-01), Uloka et al.
patent: 3995300 (1976-11-01), Masumura et al.

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