An electronic circuit device comprises: a semiconductor element having a first surface and a second surface, with the first and second surfaces being on first and second sides of the semiconductor element, respectively, and facing in opposite directions; a first electrode on the first surface; a second...http://www.google.com.au/patents/US7208833?utm_source=gb-gplus-sharePatent US7208833 - Electronic circuit device having circuit board electrically connected to semiconductor element via metallic plate