| 摘要 |
Provided is a heat sink which has excellent heat dissipation effects and is composed of a resin material having excellent electromagnetic shielding characteristics. The heat sink is composed of the resin material wherein (a) a carbon material and (b) ceramic powder and/or soft magnetic powder are uniformly dispersed. The ratio of the material (a) is 15-60 vol% and that of the material (b) is 5-40 vol%, and that of the sum of the material (a) and the material (b) is 20-80 vol% in the resin material. |
