Method of manufacturing a high-pressure discharge lamp
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United States of America Patent
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Jan 30, 2007
Grant Date -
Jan 6, 2005
app pub date -
Jun 4, 2004
filing date -
Jun 6, 2003
priority date (Note) -
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Abstract
For manufacturing a high-pressure discharge lamp, a tungsten electrode is welded to a molybdenum foil by bringing a shaft of tungsten electrode into close contact with the molybdenum foil, and by irradiating a laser light, having a metal melting wavelength, to a junction of the molybdenum foil with the tungsten electrode from a location closer to the molybdenum foil to melt both the molybdenum foil and the shaft of the tungsten electrode for bonding.
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