Resistor material, resistor made therefrom and method of making

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

1977-08-18

1979-03-27

Esposito, Michael F.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428432, 428539, 252518, 338308, H01C 1706, H01L 700

Patent

active

041466772

ABSTRACT:
A vitreous enamel resistor material comprising a mixture of vitreous glass frit and fine particles of zinc oxide (ZnO). 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. Upon cooling, the substrate has on a surface thereof a film of glass having the zinc oxide particles embedded therein and dispersed therethroughout. The resistor material provides resistors having a wide range of resistivities with low temperature coefficients of resistance and low voltage coefficients of resistance.

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Mollwo, "Electrical . . . ZnO", Photoconductivity Conf. Atlantic City, (1954), pp. 509-528.
Thomas et al., "Hydrogen as a Donor in ZnO", Journal of Chemical Physics, vol. 25, No. 6, (12-1956), pp. 1136-1142.
Nielsen, Growth of ZnO . . . Method, J. of Crystal Growth, vol. 3, No. 4, (1968), pp 141-145.
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