Patent ID: 6845006
Filing Date: 2005-01-18
Classification: G11B

Abstract:
1. An outer enclosure case that is substantially flat and rectangular in appearance and that accommodates a hard-disk-drive case that contains a hard-disk drive and a hard-disk drive unit for driving the hard disk, with the outer enclosure case comprising: a box-like case body that has an open bottom portion; a cover that mounts over the open bottom portion; acoustic material of a prescribed thickness that lines the inner peripheral surfaces of the case body; a heat-dissipating plate disposed on the inside of the top panel of the case body; and support members, extending from the heat-dissipating plate inside the case body, for supporting the inner hard-disk-drive case between them; and wherein the case cover, the case body, the heat-dissipating plate, and the support members are constituted of aluminum or an aluminum alloy and are disposed in contact with the inner hard-disk-drive case in such a way as to dissipate heat; and with a plurality of parallel grooves formed one of lengthwise and widthwise along the outer surface of the top panel and one of the outer surface of the side panels of the outer enclosure case body such that the cross-section of the top panel and the side panels is a heat-dissipating configuration of rectangular protrusions and depressions.