Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1983-01-24
1985-10-22
Barr, Josephine L.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
29620, 427101, 427102, 4271261, 4271262, 4271263, 4273762, 338308, 338309, 338 20, 428469, 428697, 428702, 106 122, H01B 106
Patent
active
045487413
ABSTRACT:
The invention is directed primarily to a method of doping tin oxide with Ta.sub.2 O.sub.5 and/or Nb.sub.2 O.sub.5 using pyrochlore-related compounds derived from the system SnO-SnO.sub.2 -Ta.sub.2 O.sub.5 -Nb.sub.2 O.sub.5 for use in thick film resistor compositions. The invention is also directed to thick film resistors containing the above-described pyrochlore-related compounds and to various compositions and methods for making such thick film resistors.
REFERENCES:
patent: 2490825 (1949-12-01), Mochel
patent: 3486931 (1969-12-01), Dreyfus
patent: 3974107 (1976-08-01), Carcia
patent: 4129525 (1978-12-01), Horowitz et al.
patent: 4163706 (1979-08-01), Horowitz et al.
patent: 4176094 (1979-11-01), Horowitz et al.
patent: 4302362 (1981-11-01), Hoffman et al.
patent: 4476039 (1984-10-01), Hormadaly
Binns, D. B., Transactions of the British Ceramic Society, Jan. 1974, vol. 73, pp. 7-17.
Barr Josephine L.
E. I. Du Pont de Nemours and Company
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