Patent ID: 7567438
Filing Date: 2009-07-28
Classification: H01L

Abstract:
1. An apparatus comprising: a subassembly comprising a first body member and a bias member; a fastener extending through the subassembly for compression thereof; and a precompression member engageable with the subassembly and the bias member so as to impart a precompression force to the bias member, wherein the precompression member comprises a heat sink and a heat spreader, and wherein the heat sink has a plurality of heat dissipating fins, and wherein the heat sink and the heat spreader have flat, opposed, planar mating surfaces of a same size which are secured together in close contact with threaded fasteners, wherein the bias member comprises a double-ended leaf spring, the heat sink defines a recess for receiving at least a portion of the leaf spring, the heat sink comprises a raised pocket portion adjacent the recess and engaging the ends of the leaf spring so as to impart a precompression force thereto when the heat sink and heat spreader are mated together.