An ultraviolet light source which includes an ultraviolet light bulb or lamp, a power source for providing power to the ultraviolet light bulb, and a non-glass or non-quartz protective sleeve which surrounds the ultraviolet light bulb. The ultraviolet light bulb preferably includes a casing for holding...http://www.google.com/patents/US6614039?utm_source=gb-gplus-sharePatent US6614039 - Hermetically sealed ultraviolet light source
