| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an easy and sure test method of the performance of a heat sink. Ž<P>SOLUTION: The temperature of fluid which is blown under a fixed condition by installing a blowing fan 3 to a heat sink body 2 to be tested set on a heating element 4 and flows in a cooled heat sink is defined as a first temperature, and the temperature when power is inputted to the heating element in contact with the heat sink is defined as a second temperature. When the second temperature reaches a prescribed value, an input power is blocked and the performance of the heat sink is determined by a ratio of the input power to a temperature difference between the second temperature and the first temperature. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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