Oxide thermistor compositions

Details Oxide thermistor compositions Oxide thermistor compositions

1980-10-28

1982-04-13

Schofer, Joseph L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252518, 252520, 338 22R, H01B 106

Patent

active

043247024

ABSTRACT:
Oxide thermistor compositions which comprise 100 atomic % of at least four kinds of cations which are (1) Mn ion, (2) Ni ion, (3) at least one kind of ion selected from the group consisting of Cu, Fe, and Cr, and (4) one kind of ion selected from the group consisting of Cr, Zr, and Li. These compositions have lower resistivity with higher B-constant and exhibit a high stability of resistance.

REFERENCES:
patent: 3444501 (1969-05-01), Delaney et al.
patent: 3510820 (1970-05-01), Jonker et al.
patent: 3652463 (1972-03-01), Riddel
patent: 3913057 (1975-10-01), Ushida et al.
patent: 3958209 (1976-05-01), Soda et al.
patent: 3960778 (1976-06-01), Bouchard et al.
patent: 3962145 (1976-06-01), Matsuo et al.
patent: 4041436 (1977-08-01), Kouchich et al.
Mn-Co Oxide Systems (Hatachi Central Lab. Tech. Papers, Memorial Edition), 1962.
Mn-Ni-Co-Oxide Systems (Denki Kagaku), vol. 19, No. 9, 1951.

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