In a light emitting device with a heat-release metallic part made of metal and a packaging ceramic part made of ceramics bonded to the metallic part via an adhesive, the adhesive is a hot melt that melts with heat at a melting temperature higher than a given temperature and has flexibility when it has...http://www.google.fr/patents/US7211835?utm_source=gb-gplus-shareBrevet US7211835 - Light emitting device, method of manufacturing the same and lighting equipment
Light emitting device, method of manufacturing the same and lighting equipment