Glass reflector for projector and manufacturing method for the same
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United States of America Patent
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app pub date -
Aug 23, 2005
filing date -
Jun 26, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
For example, the reflector according to the present invention is a reflector made of glass for a projector which is composed of amorphous glass whose thermal expansion coefficient is 30 to 45.times.10.sup.-7/.degree. C. and includes a reflective surface for reflecting light emitted from a light source and an opening for inserting a light source bulb or a conductor to the light source bulb, in which the opening is smoothed by heat-treating the surface thereof after opening-drilling, thus mechanical damage is removed from the processed part.
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