Invention Grant
US07974029B2 Disk drive biasing refresh zone counters based on write commands
有权
基于写入命令的磁盘驱动器偏置刷新区域计数器
- Patent Title: Disk drive biasing refresh zone counters based on write commands
- Patent Title (中): 基于写入命令的磁盘驱动器偏置刷新区域计数器
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Application No.: US12533950Application Date: 2009-07-31
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Publication No.: US07974029B2Publication Date: 2011-07-05
- Inventor: Chun Sei Tsai , Sang Huynh , Anthony L. Pei , Don Brunnett , Jahangir John Kasraee , Kent W. Gibbons
- Applicant: Chun Sei Tsai , Sang Huynh , Anthony L. Pei , Don Brunnett , Jahangir John Kasraee , Kent W. Gibbons
- Applicant Address: US CA Irvine
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA Irvine
- Main IPC: G11B27/36
- IPC: G11B27/36
Abstract:
A disk drive is disclosed comprising a disk comprising a plurality of tracks, and a head actuated over the disk. A plurality of refresh zones are defined, wherein each refresh zone corresponds to a plurality of the tracks. Data is written to a first refresh zone, and a first zone counter is updated for a second refresh zone at a first rate. Data is written to a third refresh zone, and the first zone counter is updated for the second refresh zone at a second rate different than the first rate.
Public/Granted literature
- US20110026159A1 DISK DRIVE BIASING REFRESH ZONE COUNTERS BASED ON WRITE COMMANDS Public/Granted day:2011-02-03
Information query
