Patent ID: 7950932
Filing Date: 2011-05-31
Classification: H01R,H05K,Y02P,Y10T

Abstract:
1. An electrical connector comprising: a base plate with a top surface and a bottom surface, a plurality of through holes extending through the top surface and the bottom surface, and a metallic coating disposed in an inner sidewall of each through hole; a plurality of contacts assembled in the through holes, each contact comprising: a spring portion disposed upon the top surface; a soldering portion extending through the through hole and formed with a tail extending beyond the bottom surface; a stopping portion connecting the spring portion and the soldering portion and abutting against the top surface; and a plurality of solder balls attached to the tails of the soldering portions and the bottom surface of the base plate to secure the contacts to the base plate; wherein the through hole communicates with the solder ball, thereby allowing the soldering material to flow into the through hole and be jointed with the metallic coating when the solder ball melts.