Electrode, manufacturing method thereof, and metal vapor...

Details Electrode, manufacturing method thereof, and metal vapor... Electrode, manufacturing method thereof, and metal vapor...

2006-03-28

2006-03-28

Santiago, Mariceli (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

C445S046000, C445S048000, C219S121600, C219S121610, C219S121620, C219S121630, C219S121640, C140S07100R, C140S071600

Reexamination Certificate

active

07018260

ABSTRACT:
A first electrode part in a rod shape is placed on an upper side, and a second electrode part in a rod shape having a higher melting point than that of the first electrode part is placed on a lower side, so that ends of the first and second electrode parts are brought into contact. Contact ends or vicinities thereof are irradiated with a laser beam, so that the electrode parts are welded. Here, a region irradiated with the laser beam is in a long narrow shape having a minor axis directed in a vertical direction and a major axis directed in a horizontal direction. This makes it possible to manufacture an electrode with a consistent high quality with a high yield.

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