Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1989-04-11
1990-05-22
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Contact
H01H 102
Patent
active
049279890
ABSTRACT:
A contact material for a vacuum circuit breaker having excellent properties, which consists essentially of copper, molybdenum, one member selected from the group consisting of niobium and tantalum, and one or more kinds of low melting point materials.
REFERENCES:
patent: 3502465 (1970-03-01), Nakijima
patent: 4325734 (1982-04-01), Burrage et al.
patent: 4468631 (1984-12-01), Naya et al.
patent: 4540861 (1985-09-01), Okumura et al.
patent: 4575451 (1986-03-01), Naya et al.
patent: 4626282 (1986-12-01), Naya et al.
Miyamoto Seiichi
Naya Eizo
Okumura Mitsuhiro
Luebke Renee S.
Mitsubishi Denki & Kabushiki Kaisha
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