摘要 |
A semiconductor device including a substrate, solder bumps provided on a lower major surface of the substrate, a semiconductor chip provided on an upper major surface of the substrate, a resin package body provided on the upper major surface of the substrate so as to bury the semiconductor chip therein, a thermally conductive frame member having a flange part supporting the substrate at a rim part of the substrate, wherein the thermal conductive frame member has a thermal conductivity substantially larger than that of the resin package body and extending along to and in an intimate contact with side walls of the resin package body. |