High-pressure discharge lamp
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United States of America Patent
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N/A
Issued Date -
Apr 23, 2009
app pub date -
Aug 4, 2006
filing date -
Aug 11, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A high-pressure discharge lamp which has a nominal output of less than 50 watt and is provided with a discharge vessel (11) that is made of silica glass and contains rod-shaped electrodes (13, 14) as well as an ionizable filling for generating a gas discharge, said ionizable filling comprising mercury, metal halides, and rare gas. The high-pressure discharge lamp features thicker electrodes (13, 14) than those used in generic high-pressure discharge lamps known in prior art. The thickness or the diameter of the electrodes (13, 14) of the disclosed high-pressure discharge lamps lies within a range of 0.255 millimeter to 0.350 millimeter in order to increase the life expectancy of the high-pressure discharge lamps.
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