ELECTRODE FOR FLUORESCENT LAMP, ITS MANUFACTURING METHOD, AND FLUORESCENT LAMP
2022-07-31
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PROBLEM TO BE SOLVED : To provide a fluorescent lamp with a low power consumption and a long life, for example, the fluorescent lamp which is used as a backlight for a liquid crystal display or the like.
SOLUTION : The electrode for the fluorescent lamp is made of a metal layer (B) formed on a metal layer (B) by a thermal spray method, and at least a part of particle of rare earth element and hexaboride is exposed on the surface of the metal layer (B) as required. It is preferable that the hexaboride of the above rare earth element is lanthanum hexaboride, and the metal layer (B) has lanthanum hexaboride dispersed in nickel or a high melting point metal, and the metal layer (A) is nickel.