Hard disk drive adapted to prevent release of strain between...

Details Hard disk drive adapted to prevent release of strain between... Hard disk drive adapted to prevent release of strain between...

2006-02-08

2010-06-08

Renner, Craig A. (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

C360S264700

Reexamination Certificate

active

07733601

ABSTRACT:
Embodiments of the invention provide a hard disk drive base adapted to prevent release of a strain due to the difference in thermal expansion between the vice coil motor and the base and thereby prevent a degradation in the positioning accuracy of the magnetic head. In one embodiment, a hard disk drive base is provided which includes a plurality of contact surfaces to which a lower yoke of a voice coil motor is fixed and thin portions each formed around a respective one of the plurality of contact surfaces and having a thickness smaller than that of other portions of the base.

REFERENCES:
patent: 4639863 (1987-01-01), Harrison et al.
patent: 5313124 (1994-05-01), Macpherson
patent: 5862020 (1999-01-01), Lee
patent: 6429999 (2002-08-01), Dague et al.
patent: 2002/0047339 (2002-04-01), Bernett et al.
patent: 2004/0105190 (2004-06-01), Kim et al.
patent: 01-171169 (1989-07-01), None

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