Resistor material, resistor made therefrom and method of making

Electrical resistors – With base extending along resistance element – Resistance element coated on base

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29610R, 252518, H01C 1012

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active

042052980

ABSTRACT:
A vitreous enamel resistor material comprising a mixture of a vitreous glass frit and fine particles of tantalum nitride (Ta.sub.2 N). The vitreous enamel resistor material may also include fine particles selected from boron, tantalum, silicon, zirconium dioxide (ZrO.sub.2), and magnesium zirconate (MgZrO.sub.3). 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 tantalum nitride particles and particles of the additive material, if used, embedded therein and dispersed therethroughout.

REFERENCES:
patent: 3394087 (1968-07-01), Huang et al.
patent: 4053866 (1977-10-01), Merz et al.
Merz, et al., Proceedings, Electronic Components Conference, "Nitride-Metal Resistive Glazes", pp. 292-298, 1968.
Shapiro, et al., Twenty-Fifth Electronic Components Conference, Refractory Metal Glazes for Thick Film Network, pp. 331-336, May 12-14, 1975.

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