%0 Patent %A Ashish Gupta %A Leonel R Arana %A David W Song %A Chia-Pin Chiu %A Ravi S Prasher %A Chris Matayabas %A Nirupama Chakrapani %D 2008 %G eng %T Microelectronic package including thermally conductive sealant between heat spreader and substrate %U https://patents.google.com/patent/US20080237843A1/en %8 10/2008 %X

A microelectronic package. The package includes a substrate; a die mounted onto the substrate; an integrated heat spreader mounted onto the substrate, and thermally coupled to a backside of the die; and a sealant material bonding the integrated heat spreader to the substrate, the sealant material having a bulk thermal conductivity above about 1 W/m/° C. and a modulus of elasticity lower than a modulus of elasticity of solder.