| 摘要 |
PURPOSE:To provide a method for laser-welding electric connecting pieces each excellent in electric reliability, where the laser welded portion of the electric connecting pieces has high mechanical strength, and the electric connecting pieces used for the method. CONSTITUTION:An overlapped portion between two bus bars 1, 1, to be a laser welded portion is previously press-fitted by a metal rivet 6 made of a metal material capable of absorbing a laser beam 3 and having low reflectivity of a laser beam. The press-fitted portion is welded by a laser. |
