Disk device with constrained layer configurations between inner and outer covers
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorsHideaki Kamezawa, Hisashi Hasegawa
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Abstract
According to one embodiment, a disk device includes a magnetic disk, a housing, a constrained layer, and a first adhesive material. The housing includes a base, a first cover, and a second cover, the base being provided with a housing space in which the magnetic disk is disposed, the first cover being mounted on the base to cover the housing space, the second cover being mounted on the base to cover the first cover. The constrained layer includes a first face and a second face, the first face facing the first cover, the second face being located opposite to the first face, facing the second cover, and being inclined to the first face. The first adhesive material is interposed between the first face and the first cover.
Claims9
A disk device comprising:
- a magnetic disk;
- a housing that includes a base, a first cover, and a second cover, the base being provided with a housing space in which the magnetic disk is disposed, the first cover being mounted on the base to cover the housing space, the second cover being mounted on the base to cover the first cover;
- a constrained layer that includes a first face and a second face, the first face facing the first cover, the second face being located opposite to the first face, facing the second cover, and being inclined to the first face;
- and
- a first adhesive material that is interposed between the first face and the first cover, wherein
- the magnetic disk is configured to rotate around a first rotation axis,
- the constrained layer extends around the first rotation axis, and
- an outer diameter of the constrained layer is smaller than an outer diameter of the magnetic disk.
Dependencies are inferred from the claim text.