Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...
Patent
1992-04-09
1993-05-04
DeMeo, Palmer C.
Electric lamp and discharge devices
With gas or vapor
Having electrode lead-in or electrode support sealed to...
313624, 313634, H01J 6136, H01J 6130
Patent
active
052085090
ABSTRACT:
An arc tube for a high pressure metal vapor discharge lamp is provided. The arc tube of the present invention comprises a tubular ceramic envelope; a chemical fill within said envelope; a seal button at each end of said envelope; said seal button having an aperture therethrough for receiving a feedthrough member; a feedthrough member having an electrode projecting therefrom passing through said seal button aperture and being oriented such that the electrode projects into said tubular ceramic envelope, said feedthrough member being sealed into said seal button by means of a fritless seal between said seal button and said feedthrough; and sealing frit material sealing said seal buttons into the ends of said tubular ceramic envelope. A method for fabricating the above-described arc tube and high pressure metal vapor discharge lamp including the above-described arc tube is also provided.
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Snellgrove Richard A.
Wyner Elliot F.
DeMeo Palmer C.
GTE Products Corporation
Walter Robert E.
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