Resistive paste

Details Resistive paste Resistive paste

1993-05-28

1995-03-14

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501152, 501 96, 501 98, 501 17, 501 19, 252518, 252521, C03C 814

Patent

active

053977513

ABSTRACT:
A resistive paste comprising (a) a mixture of a resistive material having a composition of Nb.sub.x La.sub.1-x B.sub.6-4x, wherein x is from 0.1 to 0.9 mol, and non-reducing glass frit, (b) at least one additive selected from the group consisting of B.sub.2 O.sub.3, SiO.sub.2, Al.sub.2 O.sub.3, CrB, NiB, TaSi.sub.2, and Ta in an amount of from 1 to 10% by weight based on said mixture (a), and (c) an organic vehicle, and a resistive paste comprising (a) a mixture of a resistive material having a composition of Nb.sub.x La.sub.1-x B.sub.6-4x, wherein x is from 0.1 to 0.9 mol, and non-reducing glass frit, (b) AlN in an amount of from 5 to 25% by weight based on said mixture (a), and (c) an organic vehicle. The resistive pastes provide a resistor having its temperature coefficient of resistivity shifted to the plus (+) direction in a high surface resistivity range.

REFERENCES:
patent: 4597897 (1986-07-01), Donohue
patent: 4985176 (1991-01-01), Watanabe et al.
patent: 5036027 (1991-07-01), Watanabe et al.

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