Insulating member and disk device with the same
An insulating sheet and disk-shaped technology, which is applied to the field of insulating members and disk devices equipped with it, can solve the problems of high cost and unexpectable cushioning performance
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no. 1 Embodiment approach
[0026] figure 1 It is an exploded perspective view showing a hard disk drive (hereinafter referred to as HDD) according to the first embodiment as a disk device, figure 2 It is an exploded perspective view of HDD viewing HDD from the bottom side. image 3 It is a perspective view showing the HDD from the bottom side.
[0027] as shown in figure 1 and figure 2 Basically, HDD 11 includes a flat, substantially rectangular housing 10 . The casing 10 includes a rectangular box-shaped base 12 with an open top surface and a rectangular plate-shaped top cover (not shown). The base 12 has a rectangular bottom wall facing the top cover with a gap therebetween, and side walls erected along the periphery of the bottom wall. The top cover is fixed to the side wall of the base 12 by a plurality of screws to block the top opening of the base. As a result, the inside of the housing 10 is kept airtight, and air can be ventilated to the outside only through the breathing filter 23 .
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no. 2 Embodiment approach
[0047] Figure 7A , Figure 7B It is a perspective view and a sectional view of the insulating sheet of the HDD concerning 2nd Embodiment. As shown in these figures, the insulating sheet 50 is bent in a corrugated shape, and has a plurality of bent portions (convex portions) 52 over the entire surface. The number of bent portions 52 is set to be smaller than that of the first embodiment. A plurality of bent portions (convex portions) 52 protrude from the base 12 side, the printed circuit board 40 side, or both sides. Also, the plurality of bent portions (convex portions) 52 continuously extend from one side of the insulating sheet 50 to the other side along one direction. The plurality of bent portions 52 extend parallel to each other.
[0048] The curved portions (convex portions) 52 are each formed in a triangular cross-sectional shape, but the curved portion 52 located in the center of the insulating sheet 50 is formed in a triangular shape that is larger than the other...
no. 3 Embodiment approach
[0050] Figure 8 It is a perspective view which shows the insulating sheet of the HDD which concerns on 3rd Embodiment. According to the present embodiment, the insulating sheet 50 has a single bent portion (convex portion) 52 . The bent portion (convex portion) 52 continuously extends from one side of the insulating sheet 50 to the other side along one direction. The cross-sectional shape of the bent portion (convex portion) 52 is, for example, triangular. In the present embodiment, the bent portion 52 is provided at a position where it abuts on the printed circuit board 40 or directly abuts on the rotational vibration sensor 44 near the rotational vibration sensor 44 .
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Abstract
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