H - Electricity – 01 – B
Patent
H - Electricity
01
B
31/193
H01B 3/12 (2006.01) H01C 17/065 (2006.01)
Patent
CA 1091918
ABSTRACT OF THE DISCLOSURE A vitreous enamel resistor material comprising a mixture of a vitreous glass frit and fine particles of tin oxide (SnO2). An electrical resistor is made from the resistor material by applying the material to a substrate and firing the coated substrate to a temperature at which the glass melts. The tin oxide is preferably heat treated prior to mixing with the glass frit. Upon cooling, the substrate has on the surface thereof, a film of the glass having the particles of the tin oxide embedded therein and dispersed therethroughout. The resistor material provides a resistor having a wide range of resistivity and a low temperature coefficient of resistance.
261202
Merz Kenneth M.
Wahlers Richard L.
Gowling Lafleur Henderson Llp
Trw Inc.
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