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Lamp method and apparatus using multiple reflections

United States Patent

May 11, 1999
View the Complete Patent at the US Patent & Trademark Office
A method wherein the light in a sulfur or selenium lamp is reflected through the fill a multiplicity of times to convert ultraviolet radiation to visible. A light emitting device comprised of an electrodeless envelope which bears a light reflecting covering around a first portion which does not crack due to differential thermal expansion and which has a second portion which comprises a light transmissive aperture.
MacLennan; Donald A. (Butler, PA), Turner; Brian (Damascus, MD), Kipling; Kent (Gaithersburg, MD)
Fusion Lighting, Inc. (Rockville, MD)
08/ 865,516
May 29, 1997
This invention was made with Government Support under Contract No. DE-FG01-95EE23796 awarded by the Department of Energy. The Government has certain rights in this invention.