Patent ID: 6239972
Filing Date: 2001-05-29
Classification: H01L,H05K

Abstract:
An integrated thermal management system for electronic devices, including die-up and die-down electronic devices, which can be mounted on a printed wiring board, said thermal management structure comprising:a printed wiring board for supporting electronic devices, said board having a first surface, a second surface and a continuous edge interconnecting said first and second surfaces, said board also including a thermally conductive layer in communication with the printed wiring board;at least one die-up electronic device and at least one die-down electronic device mounted on at least one of said first and second surfaces, said die-down device being thermally connected to said thermally conductive layer;a frame member connected to one of said first and second surfaces adjacent to said edge, said frame having at least a first heat sink mounting location; anda combination conductive and convective heat sink, said heat sink comprising:a conductive portion comprising a first portion in direct contact with said die-up electrical device; anda second portion in direct contact with said first portion connected to said frame member to provide a conductive path from said die-up electronic device to said frame member; anda convective cooling portion.