Disk drive device and data rewrite method thereof

Details Disk drive device and data rewrite method thereof Disk drive device and data rewrite method thereof

2008-03-26

2011-11-29

Negron, Daniell L (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

C360S031000

Reexamination Certificate

active

08068299

ABSTRACT:
Embodiments of the present invention help to reduce the occurrence of read hard errors in a hard disk drive (HDD). According to one embodiment, a HDD rewrites data on all data tracks of a block M when the number of write operations to the block consisting of continuous plural data tracks. The HDD further rewrites data on continuous plural data tracks and adjacent to the block. Since the number of write operations is counted every block, a memory area to register the number of write operations can be reduced.

REFERENCES:
patent: 7245447 (2007-07-01), Zaitsu
patent: 7463441 (2008-12-01), Cho et al.
patent: 2005/0168859 (2005-08-01), Cho et al.
patent: 2005/0180267 (2005-08-01), Jeong et al.
patent: 2006/1023307 (2006-10-01), Yu
patent: 2001-014606 (2001-01-01), None
patent: 20050082090 (2005-08-01), None
patent: 1020050082090 (2005-08-01), None
First Office Action Notification from the State Intellectual Property Office of the People's Republic of China for Application No. 2008100836484, dated Nov. 6, 2009, 18 pages total.

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