| 摘要 |
PROBLEM TO BE SOLVED: To provide a method in which welding can be performed without bringing the surface of a planar electrode into direct contact with a workpiece, so that welding is made possible without staining or bending the surface of the planar electrode, in a spot welding method of placing the workpiece on the planar electrode and welding it. SOLUTION: A conductive film 200 made of a conductive material is supplied to the surface of the planar electrode 10 composed of a conductive material. While the workpiece W is placed on this conductive film 200, a welding gun 20 equipped with a welding tip 21 at the tip end is lowered from above, thereby holding the workpiece W between the welding tip and the conductive film 200 and pressurizing/energizing for spot welding. COPYRIGHT: (C)2006,JPO&NCIPI
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