Conductor joining method

Abstract

A conductor joining method having a molten pool forming process of irradiating a welding point of conductors containing copper oxide with laser light to form a molten pool in which the welding point is melted, and a weld bead forming process of solidifying the molten pool to form a weld bead. In the molten pool forming process, laser light irradiation is performed such that, by controlling laser irradiation conditions, the welding point is heated to a temperature higher than a melting point of copper and lower than a melting point of the copper oxide to form the molten pool, and an irradiation position of the laser light is changed within the molten pool to stir the molten pool.

Dependencies are inferred from the claim text.