Patent ID: 8018719
Filing Date: 2011-09-13
Classification: F28D,G06F,H01L,Y10T

Abstract:
1. A heat sink assembly, comprising: a vapor chamber having a vapor chamber wall defining a closed volume for containing a volatile liquid, the vapor chamber wall including an outwardly protruding and deformable boss; a frame surrounding a perimeter of the vapor chamber; a plurality of heat sink fins extending from the frame; a cross-member secured to the frame to span an exterior surface of the vapor chamber, the cross-member defining an opening through which the boss of the vapor chamber wall protrudes to at least slightly beyond a lower surface of the cross-member; and a fastener coupled to move the frame, the vapor chamber and the boss thereon towards a heat-generating processor to compress the boss to a configuration flush with the lower surface of the cross-member without rupturing.