Electrode for cold cathode discharge tube and electrode assembly for cold cathode discharge tube
A cold cathode and combination technology, which is applied to the main electrode of the discharge tube, the discharge tube, the cold cathode of the discharge tube, etc., can solve the problems of inability to achieve good welding and low metal oxidation temperature, and achieve good processing performance and good resistance to sputtering. Performance, long service life effect
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[0015] Embodiments of an electrode for a cold cathode discharge tube and an electrode assembly for a cold cathode discharge tube according to the present invention will be described in detail below with reference to FIGS. 1 and 2 .
[0016] An electrode assembly 14 for a cold cathode discharge tube according to an embodiment of the present invention shown in FIG. 1 includes a cup-shaped electrode 10 made of a nickel-niobium alloy and a lead wire 12 made of tungsten or the like combined with the electrode 10 by an assembly part 13 . The electrode 10 has a shape that closes an opening at one end of a cylindrical body, and a rod-shaped lead wire 12 is welded to the bottom surface of the electrode 10 by laser welding or the like.
[0017] Nickel-niobium alloy test pieces were cut from the forged material with various additions of niobium shown in Table 1 added to nickel, made into a shape of 5×10×10 mm, and each test piece was subjected to a sputtering test. Next, a grinding amoun...
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