Method and apparatus reducing data damage from mechanical...

Details Method and apparatus reducing data damage from mechanical... Method and apparatus reducing data damage from mechanical...

2005-12-07

2009-08-04

Chen, Tianjie (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

07570453

ABSTRACT:
Invention protects the data region of a disk surface in hard disk drive, using a facing surface containing a radial bump near an outside region radially beyond the data region. The facing surface and radial bump may belong to a disk base, a disk damper, a disk cover and/or a cover insert attached to the disk cover, as well as the hard disk drive including at least one facing surface and radial bump. The method of making the disk base, the disk cover, the cover insert for the disk cover, the disk damper, and/or the hard disk drive, as well as the products of these manufacturing processes.

REFERENCES:
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patent: 6212029 (2001-04-01), Fioravanti
patent: 6917491 (2005-07-01), Choi
patent: 7085098 (2006-08-01), Yang et al.
patent: 7133248 (2006-11-01), Shin et al.
patent: 7322037 (2008-01-01), Choi
patent: 2001/0001254 (2001-05-01), Nagl et al.
patent: 2005/0225895 (2005-10-01), Nishida et al.
patent: 2006/0092558 (2006-05-01), Cho et al.

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