Patent ID: 6223814
Filing Date: 2001-05-01
Classification: F28F,H01L

Abstract:
An apparatus for cooling a heat generating element, comprising:a composite sheet comprising a film of thermally conductive material and a film of polymeric material, each film comprising a first surface having a perimeter, a second surface parallel to the first surface and having a perimeter, and one or more edges disposed between the perimeters of the first and second surfaces; andan attachment region disposed on one of the surfaces of said film of thermally conductive material for attachment to the heat generating element or to an attachment region of another said apparatus; anda plurality of cooling fins defined in said composite sheet, each fin having a first end, a second end, and a portion of said film of a thermally conductive material disposed between said first and second ends which provides a heat-exchanging surface for contact with a cooling fluid.