A semiconductor integrated circuit device includes a semiconductor chip supported by a stage, leads electrically connected to the semiconductor chip, first and second heat radiating members provided on first and second sides of the semiconductor chip, and a resin package body completely sealing...http://www.google.com.tw/patents/US5703398?utm_source=gb-gplus-share專利 US5703398 - Semiconductor integrated circuit device and method of producing the semiconductor integrated circuit device 
