| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat sink which can be designed for a configuration and a fin pitch suitable for heat dissipation by natural convection, and manufactured at low cost while saving the weight, and has large heat release. <P>SOLUTION: The heat sink includes a cylindrical center base part A and a plurality of fins B protruded on an outer surface side of the center base part A at intervals in a cylinder peripheral direction, and is constituted by annularly connecting a plurality of constituent members (x) in the same shape. Each constituent member (x) includes a base part (a) constituting a part of the center base part A, a plurality of fins (b) protruded from the base part (a), and a connection means constituent part (c) formed at the base part (a) and connected to a connection means constituent part (c) of another constituent member (x). The plurality of constituent members (x) are annularly connected by connecting connection means constituent parts (c) between base parts (a) of adjacent constituent members (x). <P>COPYRIGHT: (C)2012,JPO&INPIT |
