| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat sink for naturally and effectively cooling the interior of a case. SOLUTION: A case 100 has an opening part 112 in a rear panel 110, and a heat sink is provided in this opening part 112. This heat sink has a first heat sink member 200 and a second heat sink member 300. The first heat sink member 200 has a secure part 210 secured to the case 100, and an extension part 220 disposed in the exterior of the case 100 through the opening part 112. The second heat sink member 300 is secured to the extension part 220, and a first heat generation part 130 of a wiring board 120 is connected to the second heat sink member 300. Further, a rear face of the case 100 is enclosed with a cover member 400. Second heat generation parts 510, 520 are fitted on the extension part 220 of the first heat sink member 200. |
