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Large area, surface discharge pumped, vacuum ultraviolet light source

United States Patent

December 17, 1996
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
Large area, surface discharge pumped, vacuum ultraviolet (VUV) light source. A contamination-free VUV light source having a 225 cm.sup.2 emission area in the 240-340 nm region of the electromagnetic spectrum with an average output power in this band of about 2 J/cm.sup.2 at a wall-plug efficiency of approximately 5% is described. Only ceramics and metal parts are employed in this surface discharge source. Because of the contamination-free, high photon energy and flux, and short pulse characteristics of the source, it is suitable for semiconductor and flat panel display material processing.
Sze; Robert C. (Santa Fe, NM), Quigley; Gerard P. (Los Alamos, NM)
The Regents of the University of California (Alameda, CA)
08/ 448,242
May 23, 1995
This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy to the Regents of the University of California. The government has certain rights in the invention.