Patent ID: 8059401

Claim:
An electronic device comprising: a printed circuit board having a first heat-generating electronic component and at least one second heat-generating electronic component spaced from the first heat-generating electronic component; and a heat dissipation module enclosing the printed circuit board, the heat dissipation module comprising: a heat sink thermally engaging on the first heat-generating electronic component, the heat sink comprising a plurality of fins; and an enclosure enclosing the printed circuit board, the enclosure comprises a cover and a base, an interior side of the cover defining an inner casing enveloping the plurality of fins of the heat sink, the cover defining an intake above the heat sink and the inner casing communicating with an exterior of the enclosure via the intake, the cover comprises two side walls connecting the base to the cover, each of the two side walls defines a plurality of slits letting the at least one second heat-generating electronic component communicate with the exterior of the enclosure; wherein the inner casing separates the plurality of fins from the at least one second heat-generating electronic component.