| 摘要 |
A heat sink of the present invention includes an arbitrarily shaped carbon material (1) having a property of diffusing heat in plate surface directions, the carbon material (1) having a plurality of holes (2) formed therein passing all the way through the carbon material (1) in a thickness direction thereof, a plurality of metal columns (3) formed by filling metal having thermal conductivity in the individual holes (2), and a radiator fin element (4) which is made of the same material as the metal columns (3), including a metal plate portion (4a) and a plurality of fins (4b) formed integrally with the metal columns (3), the metal plate portion (4a) covering at least one surface of the carbon material (1). |
