Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Patent
1988-12-16
1990-01-02
Yusko, Donald J.
Electric lamp and discharge devices
With gas or vapor
Envelope with particular structure
313 25, 313318, H01J 6130, H01J 6134
Patent
active
048915556
ABSTRACT:
Flush and pump flush processes yielding light sources for incandescent and metal vapor discharge lamps are disclosed. The flush and pump flush processes also yield lamps that are particularly suitable for deposition of a reflective coating on its outer surface. For such reflective coated light sources, the associated lamp leads are encased in glass and therefore are protected against any deleterious reactions that may otherwise result from the deposition of the reflective coating process. The light sources yielded by the flush and pump flush processes of the present invention are advantageous in reducing the mounting arrangement of the lamps in which the light sources are housed.
REFERENCES:
patent: 3665235 (1972-05-01), Hugot
patent: 3753019 (1973-08-01), Hellman
patent: 3889142 (1975-06-01), Keeffle
Ahlgren Frederic F.
Davenport John M.
Hansler Richard L.
Karikas John J.
Corwin Stanley C.
General Electric Company
Jacob Fred
McMahon John P.
O'Shea Sandra L.
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