Patent ID: 6313412
Filing Date: 2001-11-06
Classification: B23K,H05K,Y02P

Abstract:
An assembly of a substrate and an electronic component wherein the substrate has a plurality of terminals and the component has a plurality of electrically conductive leads each of which comprises a core provided with a surface layer consisting of an alloy, the surface layer having a soldering temperature,the electrically conductive leads being soldered to the terminals by means of a solder alloy consisting of a binary eutectic alloy of tin and copper, having a composition of 99.3% by weight of tin and 0.7% by weight of copper and having a melting point of 227.degree. C.,the soldering temperature of the surface layer of the core being at or above 227.degree. C., and the core of each of said electrically conductive leads being of a material which remains solid at the soldering temperature of the surface layer.