Patent 7748991 was granted and assigned to Fujikura on July, 2010 by the United States Patent and Trademark Office.
An aspect of the present invention inheres in an IC socket includes a plate-like socket base body which includes through hole forming portions having a plurality of contact housing holes formed so as to penetrate the plate-like socket base in a front-to-back direction, and having through holes formed around the respective contact housing holes so as to penetrate the plate-like socket base in the front-to-back direction, and a plated layer formed continuously on an inner wall of the through hole, on the front and back surfaces of the through hole forming portion, and on a surface of the contact piece.