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US5903091A Lamp method and apparatus using multiple reflections 失效
灯的方法和装置使用多次反射

Lamp method and apparatus using multiple reflections
Abstract:
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.
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