Disk device and method of manufacturing disk device
AssigneeKabushiki Kaisha Toshiba
InventorsMakoto Okamoto, Yasutaka Sasaki
Life of this patent
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Abstract
According to one embodiment, a disk device includes a disk-shaped recording medium, a head which processes data on the recording medium, and a housing accommodating the recording medium and the head. The housing includes a base with a side wall, and a cover having a welded portion welded to the side wall by laser welding. The welded portion includes a first welded portion welded to a first region of the side wall and having weld beads with a first shape, and a second welded portion welded to a second region of the side wall and having welded beads with a second shape different from the first shape.
Claims15
A method of manufacturing a disk device, the method comprising:
- placing a recording medium in a base of a housing;
- fixing an inner cover onto the base to close an opening of the base;
- placing an outer cover on the base to overlay the inner cover;
- and
- welding a peripheral portion of the outer cover to the base from a point around to the point while controlling a welding condition depending on a section of the peripheral portion.
A method of manufacturing a disk device, the method comprising:
- placing a recording medium in a base of a housing;
- fixing an inner cover onto the base to close an opening of the base;
- placing an outer cover on the base to overlay the inner cover;
- and
- welding a peripheral portion of the outer cover to the base sequentially from a point around to the point while controlling a welding condition.
Dependencies are inferred from the claim text.