Patent ID: 6043981
Filing Date: 2000-03-28
Classification: H01L,H05K

Abstract:
A heat sink assembly for a circuit board with a plurality of surface mounted electrical components, said electrical components having a top most surface and a bottom most surface, said circuit board adapted for use in a housing suitable for receiving said circuit board, said invention comprising:a resilient biasing element fixed in relation to said circuit board and said housing and comprising a planar body member with a plurality of protruding resilient fingers extending from said body member in a cantilevered fashion, said planar body member disposed parallel to said circuit board, said resilient fingers include a curved portion for contacting said circuit board with a plurality of surface mounted electrical components and urge said circuit board in a direction normal to said generally planar body member and normal to said circuit board, and wherein said circuit board is nested between said housing and said resilient biasing element and at least one of said plurality of said electrical components is disposed such that the entire bottom most surface thereof is in substantial contact with said circuit board.