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US 6,190,790 B1Granted
Resistor material, resistive paste and resistor using the resistor material, and multi-layered ceramic substrate
AssigneeMurata Manufacturing Co., Ltd.
InventorKeisuke Nagata
Life of this patent
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Abstract
The invention provides a resistor material comprising a conductive material and an additive; said conductive material comprising a material represented by the general formula of NbxLa1−xB6−4x (x=0.1 to 0.9) and/or a material comprising 100 to about 90 mol % of NbB2 and 0 to about 10 mol % of LaB6; and said additive comprising titanium oxide, cobalt oxide and zinc or silicon oxide or comprising AlN and TiO2.
Claims20
A resistor material comprising a La/B-containing conductive material and a titanium oxide or silicon oxide-containing additive;
- said conductive material being selected from the group consisting of (a) a material represented by the formula NbxLa1−xB6−4x wherein x is about 0.1 to 0.9, (b) and a solid solution comprising NbB2 and up to about 10 mol % of LaB6 and (c) a mixture thereof;
- and
- said additive comprising (a) titanium oxide, cobalt oxide and either zinc oxide or silicon oxide or (b) aluminum nitride having a mean particle size of about 0.5 μm or less and silicon oxide having a mean particle size of about 0.5 μm or less.
Dependencies are inferred from the claim text.