A module has a substrate, first and second integrated circuits, and a heat sink. The integrated circuits each have a first major surface, a second major surface, a first edge, a second edge, and a third edge and have optical circuits having ports on the first edge and electronic circuits having ports...http://www.google.se/patents/US8004080?utm_source=gb-gplus-sharePatent US8004080 - Edge mounted integrated circuits with heat sink
