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

1978-11-20

1980-06-24

Albritton, C. L.

Electrical resistors

With base extending along resistance element

Resistance element coated on base

29610R, 252512, 427101, H01C 1012

Patent

active

042097649

ABSTRACT:
A vitreous enamel resistor material comprising a mixture of a vitreous glass frit and fine particles of tantalum. The vitreous enamel resistor material may also include fine particles selected from titanium, boron, tantalum oxide (Ta.sub.2 O.sub.5), titanium oxide (TiO), barium oxide (BaO.sub.2), zirconium dioxide (ZrO.sub.2), tungsten trioxide (WO.sub.3), tantalum nitride (Ta.sub.2 N), titanium nitride (TiN), molybdenum disilicide (MoSi.sub.2), and magnesium silicate MgSiO.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 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, Electronics Components Conference, "Nitride-Metal Resistive Glazes", pp. 292-298, 1968.
Shapiro, et al., Twenty-Fifth Electronic Components Conference, "Refractory Metal Glazes for Thick Film Networks", pp. 331-336, May 12-14, 1975.
Buzan, et al., Twenty-Seventh Electronics Components Conference, "A Thick Film Base Metal Resistor and Compatible Hybrid System", pp. 339-347, May 16-18, 1977.

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