Patent ID: 7291791
Filing Date: 2007-11-06
Classification: B23K,H01L,H01R,H05K

Abstract:
1. A resin substrate comprising: a substrate body made of resin or a composite material containing resin and formed into a plate-like shape which has a main surface; a connection pad formed on the main surface of said substrate; a soldering material comprising Sn and from 3 wt % to 15 wt % of Sb and having a melting point of 280° C. or lower; and a pin having a shaft portion and a large-diameter portion provided at one end of the shaft portion, the large-diameter portion mounted on said connection pad via said solder material, wherein the large-diameter portion and a lower part of the shaft portion is covered by the soldering material and all the remaining part of the shaft portion is covered by an Au-plated layer having a thickness of 0.04 μm or larger, wherein the soldering material has a height of 0.35 mm or less.