Method for doping tin oxide

Details Method for doping tin oxide Method for doping tin oxide

1985-08-29

1986-09-23

Barr, Josephine L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428432, 428469, 428697, 428702, 252518, 29620, 427101, 427102, 4271261, 4271262, 4271263, 4273762, 338308, 338309, 338 20, H01B 106, B05D 100

Patent

active

046135391

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), Cascia
patent: 4129525 (1978-12-01), Horowitz et al.
patent: 4163706 (1979-08-01), Horowitz et al.
patent: 4302362 (1981-11-01), Hoffman et al.
patent: 4476039 (1984-10-01), Hormadaly

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