| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem wherein it is difficult to make a welding strength uniform and application of a welding current causes a melted metal foil to scatter, since the metal foil has a fragile and nonuniform structure due to etching. SOLUTION: Prior to resistance welding of an anode member 22, a metal foil 19 of the anode member is pressed by a press means 31 to increase its adhesion and to make the foil uniform. When a pressing surface 131a of a press member 131 as the press means is shaped to a nearly arc, the metal foil 19 is uniformly pressed while not forming a step surface weak in terms of a strength. COPYRIGHT: (C)2006,JPO&NCIPI
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