Low temperature coefficient of resistivity cermet resistors

Details Low temperature coefficient of resistivity cermet resistors Low temperature coefficient of resistivity cermet resistors

H - Electricity

01

C

31/138

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

Patent

CA 1037705

LOW TEMPERATURE COEFFICIENT OF RESISTIVITY CERMET RESISTORS ABSTRACT OF THE DISCLOSURE Cermet resistors based on ruthenium dioxide and in some instances iridium dioxide have been found to have unusually low Temperature Coefficients of Resistivity (TCR) when a particular glass frit and a vanadium oxide additive are utilized. These unique resistors exhibit TCR's of less than ?25 ppm/°C over -55 to +150°C with the extremes of the TCR varying less than 20 ppm. The vanadium, iridium and ruthenium oxides can be used as such or derived from metalresinates..

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