Invention Grant
US09245560B1 Data storage device measuring reader/writer offset by reading spiral track and concentric servo sectors
有权
数据存储设备通过读取螺旋轨道和同心伺服扇区来偏移测量读取器/写入器
- Patent Title: Data storage device measuring reader/writer offset by reading spiral track and concentric servo sectors
- Patent Title (中): 数据存储设备通过读取螺旋轨道和同心伺服扇区来偏移测量读取器/写入器
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Application No.: US14642684Application Date: 2015-03-09
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Publication No.: US09245560B1Publication Date: 2016-01-26
- Inventor: Jianbin Nie , Charles A. Park , Siri S. Weerasooriya
- 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: G11B21/02
- IPC: G11B21/02 ; G11B5/596
Abstract:
A data storage device is disclosed comprising a disk comprising a spiral track, and a head actuated over the disk, wherein the head comprises a read element offset radially from a write element by a reader/writer offset. The spiral track is first read to write a plurality of concentric servo sectors on the disk that define at least one concentric servo track on the disk. The spiral track is second read and the concentric servo sectors are read to measure the reader/writer offset.
Information query
