A semiconductor module having a high dissipated power has an electrically insulating and thermally conducting layer of crystalline carbon provided between a semiconductor chip and a heat elimination element, whereby the semiconductor chip, the insulating layer and the heat elimination element are...http://www.google.com.au/patents/US5786633?utm_source=gb-gplus-sharePatent US5786633 - Semiconductor module having high insulating power and high thermal conductivity 
