Data storage device and magnetic disk drive in hermetically...

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record

Reexamination Certificate

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Details

C365S232000

Reexamination Certificate

active

07570455

ABSTRACT:
Embodiments of the present invention provide a data storage device and a magnetic disk drive capable of maintaining the inside of a base in a hermetically sealed condition. In one embodiment, a data storage device includes a recording disk, a base having a through hole, a top cover having a tapping hole aligned with the through hole and a depressed portion with the tapping hole formed in a bottom thereof, and a screw inserted through the through hole into threaded engagement with the tapping hole and having a head which comes into close contact with an outer surface of the base. The top cover is fitted inside the base in a state in which the depressed portion is positioned on the base side, and the bottom of the depressed portion comes into close contact with the base in the threadedly engaged state of the screw and in an area which surrounds the through hole.

REFERENCES:
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patent: 5898537 (1999-04-01), Oizumi et al.
patent: 6373654 (2002-04-01), Iwahara et al.
patent: 6567237 (2003-05-01), Iwahara et al.
patent: 6619667 (2003-09-01), Kawaguchi et al.
patent: 10-334641 (1998-12-01), None
patent: 11-232833 (1999-08-01), None
patent: 2000-234652 (2000-08-01), None
patent: 2002-367355 (2002-12-01), None

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