Patent 7339259 was granted and assigned to Renesas Technology Corp on March, 2008 by the United States Patent and Trademark Office.
A semiconductor device has an improved mounting reliability and has external terminals formed by exposing portions of leads from a back surface of a resin sealing member. End portions on one side of the leads are fixed to a back surface of a semiconductor chip, and portions of the leads positioned outside the semiconductor chip are connected with electrodes formed on the semiconductor chip through wires.