| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve cooling efficiency without deteriorating the attachment/detachment workability of a water cooling jacket. <P>SOLUTION: A heat sink A includes: a water cooling jacket 10 having a water passage 17 of a coolant; a base member 30 provided in the vicinity of a CPU 51 (heating member) and enabling the attachment/detachment of the water cooling jacket 10; a heat receiving plate 35 (heat receiving part) forming a heat transmission path 49 for transmitting heat received from the CPU to the coolant in the water passage 17; and holding means 45 holding the heat receiving plate 35 in the state that contacts with the CPU 51. <P>COPYRIGHT: (C)2013,JPO&INPIT |
