Patent ID: 7948068
Filing Date: 2011-05-24
Classification: H01L

Abstract:
1. A semiconductor device comprising: a chip mounting portion; a plurality of leads arranged around the chip mounting portion; a plurality of suspending leads for supporting the chip mounting portion; a semiconductor chip mounted over the chip mounting portion; and a plurality of wires electrically connecting a plurality of pads formed on a main surface of the semiconductor chip with the plurality of leads; wherein the plurality of suspending leads each has a bent portion; wherein a first metal film is formed over each of the suspending leads including the bent portion; wherein each first metal film has one end portion and another end portion opposite to the one end portion; wherein the one end portion is positioned closer to the chip mounting portion side than the another end portion; wherein a second metal film is formed over a part of each of the leads; wherein a thickness of the one end portion of each first metal film is less than that of each second metal film; and wherein the one end portion of each first metal film is not protruded from a surface of each of the suspending leads.