C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
31/106, 338/21,
C22C 19/05 (2006.01) C09K 3/00 (2006.01) H01B 1/16 (2006.01) H01C 17/065 (2006.01)
Patent
CA 1043587
ABSTRACT OF THE DISCLOSURE The present invention relates to a vitreous enamel resistance material and resistors made therefrom, particu- larly to a vitreous enamel resistance material having a relatively low resistivity and low temperature coefficient of resistance and which has good antiflammability character- istics. A prior resistance material uses a mixture of a glass frit and fine particles of a conductive material. The conductive material generally includes a nobel metal which is expensive. The present invention provides an economical vitreous enamel resistance material which can be made with a low resistivity and low temperature coefficient of resistance and has good antiflammability characteristics. The vitreous enamel resistance material includes a mixture of a vitreous glass frit and fine particles of a conductor which is an alloy of nickel and chromium The conductor particles are present in the amount of 28% to 80% by weight. Up to 3% by weight of titanium and/or titanium nitride may be included in the resistance material to adjust the temperature co- efficient of resistance of the material.
215683
Merz Kenneth M.
Shapiro Howard E.
Trw Inc.
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