Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1988-11-07
1990-04-17
O'Shea, Sandra
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313634, 313637, H01J 1718, H01J 6134
Patent
active
049183524
ABSTRACT:
Metal halide lamps having better lumen maintenance over the life of the lamp contain metal frame parts whose surface is oxidized either prior to lamp assembly or oxidized in-situ during operation of the lamp by oxygen or an oxidizing agent present inside the outer vitreous envelope.
REFERENCES:
patent: 2951959 (1960-09-01), Fraser et al.
patent: 3234421 (1966-02-01), Reiling
patent: 3452238 (1969-06-01), Larson
patent: 3519864 (1970-07-01), Gungle et al.
patent: 3569766 (1971-03-01), Larson
patent: 3737710 (1973-06-01), Waymouth et al.
patent: 3937996 (1976-02-01), Cap
patent: 3946262 (1976-03-01), Keeffe et al.
patent: 4499396 (1985-02-01), Fohl et al.
patent: 4581557 (1986-04-01), Johnson
Ewing Frank I.
Hess Carl H.
Potter Ralph M.
Russell Timothy D.
Zubler Edward G.
Corcoran Edward M.
Corwin Stanley C.
General Electric Company
Jacob Fred
O'shea Sandra
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