Resistor material, resistor made therefrom and method of...

Details Resistor material, resistor made therefrom and method of... Resistor material, resistor made therefrom and method of...

H - Electricity

01

C

117/102, 31/195,

H01C 17/30 (2006.01) H01C 7/06 (2006.01) H01C 17/065 (2006.01)

Patent

CA 1063796

ABSTRACT A vitreous enamel resistor material comprising a mixture of a vitreous glass frit and fine particles of a mixture of tin oxide (SnO2) and tantalum oxide (Ta2O5). 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 oxide mixture may be 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 oxides embedded therein and dispersed therethroughout. The resistor material provides a resistor having a high resistivity and a low temperature coefficient of resistance

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