Patent ID: 9484642
Filing Date: 2016-11-01
CPC Classification: B23K,C25D,H01R,Y10T

Claim Text:
1. A terminal comprising: a connector portion adapted to mate with another terminal; a tubular crimp portion adapted to crimp and join with an electric wire; and a transition portion joining the connector portion and the tubular crimp portion, the tubular crimp portion being composed of a metal member including a base material and a coating layer formed on the base material, the base material being composed of one of copper and a copper alloy and having a thickness in a range of 0.20 mm to 1.40 mm, the coating layer being composed of one of tin, a tin alloy, nickel, a nickel alloy, silver and a silver alloy and having a thickness in a range of 0.2 μm to 3.0 μm, the tubular crimp portion having a weld portion formed by butt welding the metal member, the weld portion having, in a cross section of the weld portion perpendicular to a longitudinal direction of the terminal, a phase existing therein of one of tin, a tin alloy, nickel, a nickel alloy, silver and a silver alloy, the phase being of a size greater than 0.01 μm the tubular crimp portion being formed into a closed tubular body in which one end opposite to an electric wire insertion opening is closed.