METAL COMPONENT LASER WELDING METHOD, LASER WELDING STRUCTURE USING THE SAME, AND ELECTROMAGNETIC RELAY

摘要

PPROBLEM TO BE SOLVED: To provide a metal component laser welding method of easy welding work, enhanced welding strength and excellent yield, a laser welding structure using the same, and an electromagnetic relay. PSOLUTION: The electromagnetic relay comprises a body block 1 in which an electromagnet block, a fixed terminal plate 11 with a fixed contact 11a fixed thereto, and a common terminal plate 12 are inserted in a resin body 13, an armature 20 which is rockingly supported on the body block 1, and rocked according to the energization to the electromagnet block, a contact spring 21 integrated with the armature 20 and having a movable contact attached/detached to/from the fixed contact 11a fixed to both end portions, and a hinge spring 22 electrically connected to the contact spring 21. The common terminal plate 12 is substantially plate-shaped, arranged so that the thickness direction thereof is substantially orthogonal to the laser beam irradiation direction, and integrally provided with a weld part 12a in which the hinge spring 22 is welded by the laser welding to an end face with the normal direction thereof substantially orthogonal to the thickness direction. PCOPYRIGHT: (C)2004,JPO&NCIPI