Patent ID: 8754512

Claim:
An electronic device assembly comprising: a die characterized as an electronic device in die form, said die having a polished die region; a substrate having a polished substrate region in direct contact with the polished die region, wherein the polished die region and the polished substrate region have surface finishes effective to attach the die to the substrate by way of an atomic bond; a lead frame having a polished lead-frame region in direct contact with the polished substrates region, wherein the polished lead-frame region and the polished substrate region have surface finishes effective to attach the die to the substrate by way of an atomic bond; and a heat spreader having a polished heat spreader region in direct contact with the polished substrate region, wherein the polished heat spreader region and the polished substrate region have surface finishes effective to attach the heat spreader to the substrate by way of an atomic bond.