A printed wiring board having electronic circuit devices (13, 44) such as semiconductors including a heat sink forming a housing (32, 36) for the printed wiring board, one of the electronic devices (13) being mounted on one portion (12) of a heat spreader that is formed of a material having high thermal...http://www.google.ca/patents/US5473511?utm_source=gb-gplus-sharePatent US5473511 - Printed circuit board with high heat dissipation
