| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for forming heat radiation fins without causing damage to a heat radiation member when the heat radiation member using a carbon nano-tube is manufactured.SOLUTION: A manufacturing method of a heat radiation member includes: a sheet formation step where a vertical orientation carbon nano-tube formed on a surface of a substrate is bent in a predetermined direction by a pressing tool and then the carbon nano-tube is separated from the substrate to obtain a carbon nano-tube sheet; a metal film formation step where a metal film M is formed on one surface of the carbon nano-tube sheet S obtained by the formation step; a protrusion part formation step where a pressing member 29 is pressed to the surface of the carbon nano-tube sheet, on which the metal film is formed by the metal film formation step, to form a protrusion part Sa having a V shaped cross section; and a fin formation step where a side surface of the protrusion part is pressed to crush the inner space part to form heat radiation fins F.</p> |
