Resistor compositions and resistors produced therefrom

Details Resistor compositions and resistors produced therefrom Resistor compositions and resistors produced therefrom

H - Electricity

01

C

31/122

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

Patent

CA 1191022

ABSTRACT Resistor compositions comprising: (a) ruthenium oxide; (b) glass; (c) at least one of metal oxides selected from the group consisting of lanthanum oxide, neodymium oxide, praseodymium oxide and sama- rium oxide; and (d) organic vehicle and resistors produced using the composition by firing a resistor film comprising ruthenium oxide, glass and at least one of metal oxides selected from the group consisting of lanthanum oxide, neodymium oxide, praseodymium oxide and samarium oxide onto an electrically insulat- ing substrate. The use of the metal oxides in the resistor compositions surprisingly improve TCR (tem- perature coefficient of resistance) particularly in high resistance ranges and bring the TCR close to zero. In addition to the effect of improving TCR, the metal oxides increase resistance and improve noise and VCR (voltage coefficient of resistance) proper- ties.

416634

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