Super-high pressure discharge lamp of the short arc type
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United States of America Patent
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Mar 30, 2004
Grant Date -
Mar 13, 2003
app pub date -
Sep 12, 2002
filing date -
Sep 13, 2001
priority date (Note) -
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Abstract
A super-high pressure discharge lamp of the short arc type which has an arc tube portion in which there is a pair of opposed electrodes and which is filled with at least 0.15 mg/mm.sup.3 mercury, and side tube portions which extend from opposite sides of the arc tube portion and in which there are metal foils. The electrodes are each electrically connected to a respective one of the metal foils by a metallic component with cross-sectional area that is smaller than the cross sectional area of the electrodes in the area in which the electrodes are located in the side tube portions.
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