Electrode composition for vacuum switch

Details Electrode composition for vacuum switch Electrode composition for vacuum switch

1982-12-20

1985-02-12

Barr, Josephine L.

Compositions

Electrically conductive or emissive compositions

Free metal containing

252513, 252515, 200265, 200266, H01B 102

Patent

active

044990090

ABSTRACT:
The disclosed electrode composition for a vacuum switch comprises copper, as a principal ingredient, a low melting point metal such as Bi, Pb, In, Li, Sn or any of their alloys, in a content not exceeding 20% by weight, a first additional metal such as Te, Sb, La, Mg or any of their alloys and a refractory metal such as Cr, Fe, Co, Ni, Ti, W or any of their alloys in a content less than 40% by weight.

REFERENCES:
patent: 2975255 (1961-03-01), Lafferty
patent: 3922236 (1975-11-01), Douglas et al.
patent: 3951872 (1976-04-01), Neely
patent: 3962487 (1976-06-01), Fuller et al.
patent: 3963633 (1976-06-01), Fein et al.
patent: 3985512 (1976-10-01), Hassler et al.
patent: 3993481 (1976-11-01), Schreiner et al.
patent: 4002940 (1977-01-01), Ekkelboom et al.
patent: 4172919 (1979-10-01), Mitchell

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