Method of manufacturing a high-pressure discharge lamp

Details Method of manufacturing a high-pressure discharge lamp Method of manufacturing a high-pressure discharge lamp

2007-01-30

2007-01-30

Santiago, Mariceli (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

Combined, e.g., with shaping of lamp or device envelope

C445S052000, C445S029000, C445S046000

Reexamination Certificate

active

10859956

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.

REFERENCES:
patent: 4942331 (1990-07-01), Bergman et al.
patent: 6805603 (2004-10-01), Kawamura et al.
patent: RE38807 (2005-10-01), Takeuti et al.
patent: 06-223783 (1994-08-01), None
patent: 10247478 (1998-09-01), None
patent: 10-334789 (1998-12-01), None
patent: WO 2003058674 (2003-07-01), None

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