NVIDIA Corporation
HEAT SINK WITH ADJUSTABLE FIN PITCH

Abstract:

An apparatus includes at least one heat pipe that is adapted to be thermally coupled to an integrated circuit and has an evaporator portion and a first condenser portion, wherein the first condenser portion extends away from the evaporator portion; a first plurality of cooling fins that is attached to the first condenser portion; a first movable support that is thermally coupled to the first condenser portion and is configured to move a second plurality of cooling fins relative to the first plurality of cooling fins; and the second plurality of cooling fins, which is attached to the first movable support.