HEAT SINK AND ELECTRONIC APPARATUS

摘要

PROBLEM TO BE SOLVED: To improve cooling effect and noise reducing effect of heat generating components used in information processors. SOLUTION: The underside of the heat sink 13 contacts a heating member 15, a cooling fan 11 composed of at least a blade 11(a) and a motor 11(b) is disposed on top of the heat sink 13, and a sound absorbing material 16 is pasted to a part or all of the side faces of fins and it is enclosed with a heat sink cover 12. Heat conductive sheets 14 are sandwiched and thermally compression- bonded between the fin tops of the heat sink 13 and the heat sink cover 12 and between the side faces of the heat sink 13 and the cover 12.