Glass frits containing WO.sub.3 or MoO.sub.3 in RuO.sub.2 -based

Details Glass frits containing WO.sub.3 or MoO.sub.3 in RuO.sub.2 -based Glass frits containing WO.sub.3 or MoO.sub.3 in RuO.sub.2 -based

1982-02-04

1984-03-13

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

252518, 501 32, 501 75, C03C 308, C03C 310, C03C 330

Patent

active

044368291

ABSTRACT:
This invention is concerned with the fabrication of thick film, RuO.sub.2 -based resistors. More specifically, this invention is directed to the formulation of glass frits for use in such resistors exhibiting temperature coefficient of resistance values of less than 100 ppm. Such glass frits consist essentially, expressed in terms of mole percent on the oxide basis, of about 32-39% PbO, 44-47% B.sub.2 O.sub.3, 14-17% SiO.sub.2, and an effective amount up to 5% of WO.sub.3 or MoO.sub.3.

REFERENCES:
patent: 2557545 (1951-06-01), Kerridge
patent: 3304199 (1967-02-01), Faber et al.
patent: 3766511 (1973-10-01), De Vries et al.
patent: 3916037 (1975-10-01), Brady et al.
patent: 3924221 (1975-12-01), Winkler
patent: 4286251 (1981-08-01), Howell

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