Semiconductor ceramic composition

Details Semiconductor ceramic composition Semiconductor ceramic composition

1975-11-17

1978-06-20

Copper, Jack

Compositions

Electrically conductive or emissive compositions

Metal compound containing

106 732, 106 7331, 106 735, 252 623BT, 252518, 252521, H01B 106

Patent

active

040960986

ABSTRACT:
A semiconductor ceramic composition having positive temperature characteristics which comprises titanates of barium, lead and calcium which have 1 - 40 mole % of lead titanate and 1 - 22 mole % of calcium titanate and 38 - 98 mole % of barium titanate and 0.03 - 0.6 mole % of a semiconductor-forming component based on said titanates.

REFERENCES:
patent: 2976505 (1961-03-01), Ichikawa
patent: 3586642 (1971-06-01), Matsuo et al.
patent: 3764529 (1973-10-01), Matsuo et al.
patent: 4014822 (1977-03-01), Fujikawa
Nakhudnova et al., "Chem. Abstracts", vol. 69, 1968, 31235j.
Ikeda, "Chem. Abstracts", vol. 52, 1958, p. 19380g.
McQuarrie, "J. of the Amer. Ceram. Soc.", vol. 40, No. 2, 1957.

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