Invention Grant
US09117463B1 Data storage device erasing multiple adjacent data tracks to recover from inter-track interference
有权
数据存储设备擦除多个相邻数据磁道,以从磁道间干扰中恢复
- Patent Title: Data storage device erasing multiple adjacent data tracks to recover from inter-track interference
- Patent Title (中): 数据存储设备擦除多个相邻数据磁道,以从磁道间干扰中恢复
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Application No.: US14312514Application Date: 2014-06-23
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Publication No.: US09117463B1Publication Date: 2015-08-25
- Inventor: Kathy X. Tang , Jerry G. Le
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA Irvine
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA Irvine
- Main IPC: G11B5/024
- IPC: G11B5/024 ; G11B5/02

Abstract:
A data storage device is disclosed comprising a disk comprising a plurality of data tracks, and a head actuated over the disk. A retry operation for a target data track is performed by positioning the head at a first radial location and first erasing at least part of a first data track adjacent the target data track. After the first erasing, the target data track is first read to first recover target data recorded in the target data track. When the first recovery fails, the head is positioned at a second radial location and more of the first data track is second erased. After the second erasing, the target data track is second read to second recover the target data recorded in the target data track.
Information query
IPC分类: