Patent ID: 9047060
Filing Date: 2015-06-02
Classification: G06F,H01L

Abstract:
1. A heating element and circuit module stack structure, comprising: a circuit module comprising a circuit board and a chip unit mounted on said circuit board; a heat sink comprising a thermally conductive base member, said thermally conductive base member having a flat bottom block protruded from a center area of a bottom wall thereof and kept in close contact with said chip unit of said circuit module; a heat transfer layer mounted in between said bottom wall of said thermally conductive base member of said heat sink and said chip unit of said circuit module around said flat bottom block; an electric heating element mounted in between said heat transfer layer and said bottom wall of said thermally conductive base member of said heat sink around said flat bottom block and adapted to heat said chip unit of said circuit module; and a thermal insulation component mounted in between said electric heating element and said bottom wall of said thermally conductive base member of said heat sink around said flat bottom block.