Resistive material, and resistive paste and resistor comprising

Details Resistive material, and resistive paste and resistor comprising Resistive material, and resistive paste and resistor comprising

1995-12-26

1998-01-06

McGinty, Douglas J.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252519, 338308, 338314, 428689, 423 211, 423138, 423594, H01B 108, H01B 114

Patent

active

057051003

ABSTRACT:
An organic vehicle is added to and kneaded with a solid component comprising from 60 to 95% by weight of a resistive material having a composition of La.sub.x Sr.sub.1-x CoO.sub.3 (x is from 0.40 to 0.60) and from 5 to 40% by weight of glass frit to obtain a resistive paste. A substrate is coated with the resistive paste and fired to produce a resistor. The resistive paste can be fired in any of air, neutral and reducing atmospheres. The resistor has any desired resistance value within a broad range, and the reproducibility of the resistor with a desired resistance value is good.

REFERENCES:
patent: 4376725 (1983-03-01), Prabhu et al.
patent: 4536328 (1985-08-01), Hankey
patent: 4539223 (1985-09-01), Hormadaly
patent: 4814107 (1989-03-01), Steinberg
Hikita et al., "Lanthanum-Cobalt thermistors for temperature measurements", Chemical Abstracts, vol. 85, No. 18, Nov. 1976, p. 875, col. 23.
S.P. Tolochko et al., "Electrical conductivity of complex oxides La/sub 1-x/SrCoO/sub 3/(x=0.2-1.0)", Inorganic Materials, vol. 17, No. 6, May 1981, pp. 749-753.
Labrincha et al. "Evaluation Of Deposition Techniques of Cathode Materials For Solid Oxide Fuel Cells", Mat. Res. Bull. vol. 28, pp. 101-109, 1993.
Timaru et al "Preparation of Perovskite-Type Oxides of Cobalt by the Malic Acid Aided Process . . . " J. Electrochem. Soc., vol. 142, No. 1, Jan. 1995, pp. 148-153.

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