Lamp electrode and method of fabricating the same

Details Lamp electrode and method of fabricating the same Lamp electrode and method of fabricating the same

2011-01-04

2011-01-04

Guharay, Karabi (Department: 2889)

Electric lamp and discharge devices

With gas or vapor

Having electrode exterior to envelope

C313S234000, C313S491000

Reexamination Certificate

active

07863817

ABSTRACT:
A lamp electrode includes a sealed tube for generating light when powered by an external power supply and a pair of electrodes formed on the ends of the sealed tube. Solder is filled into the space between each electrode and the sealed tube, and formed on the surface of the exterior surface of the electrodes. A method for forming the lamp electrode includes forming a cylindrically shaped electrode on an end of a sealed tube; maintaining a supply of solder in the liquid state; and dipping the end of the tube on which the electrode is formed into the solder.

REFERENCES:
patent: 5013966 (1991-05-01), Saikatsu et al.
patent: 2003/0196732 (2003-10-01), Carey et al.
patent: 2004/0222743 (2004-11-01), Takagi et al.
patent: 2005/0189879 (2005-09-01), Minamoto et al.
patent: 2005/0218783 (2005-10-01), Kim et al.
patent: 2006/0087240 (2006-04-01), Nam et al.

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