Patent ID: 6700783
Filing Date: 2004-03-02
Classification: H01L,H05K

Abstract:
A three-dimensional stacked heat spreader assembly comprising:an upper heat spreader of generally rectangular shape having two sides equipped with downwardly extending ridge portions, each of said downwardly extending ridge portions having an inward-facing surface and a downward-facing surface; a lower heat spreader of generally rectangular shape having two sides equipped with upwardly extending and downwardly extending ridge portions, said upwardly extending ridge portions having an outward-facing surface and an upward-facing surface for engaging said inward-facing surface and said downward-facing surface of said upper heat spreader, respectively, said downwardly extending ridge portions for engaging a second lower heat spreader that is optionally stacked under said lower heat spreader; and a cavity formed in-between said upper heat spreader and said lower heat spreader adapted for receiving an electronic device.