Electric lamp and discharge devices – Fluent material supply or flow directing means – Plasma
Patent
1987-09-17
1989-04-18
Blum, Theodore M.
Electric lamp and discharge devices
Fluent material supply or flow directing means
Plasma
31323171, H01J 1726, H01J 6128
Patent
active
048230430
ABSTRACT:
A arc discharge light pipe comprised of a sapphire light pipe, a cathode, and an anode. The anode is a hollow cylinder with an end cap having an aperture therein. The pointed cathode and the end cap of the anode form an arc gap which produces a conical arc discharge. The light from the conical arc discharge passes through the aperture into the hollow anode. The sapphire light pipe is positioned inside the hollow anode to collect the light and focus it on a desired point.
REFERENCES:
patent: 3512030 (1970-05-01), Levy
patent: 3581140 (1971-05-01), Poquette
patent: 3770338 (1973-11-01), Helmuth
patent: 3950075 (1976-04-01), Cook et al.
patent: 4082423 (1978-04-01), Glista et al.
patent: 4380365 (1983-04-01), Gross
patent: 4679934 (1987-07-01), Ganguly et al.
Roberts Roy D.
Young Norman L.
Blum Theodore M.
ILC Technology, Inc.
Issing Gregory C.
Schatzel Thomas E.
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