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公开(公告)号:US20130142022A1
公开(公告)日:2013-06-06
申请号:US13683161
申请日:2012-11-21
发明人: Jingliang ZHANG , Lin Thi LIN , Zhimin YUAN , Bo LIU
IPC分类号: G11B27/30 , G11B7/2403
CPC分类号: G11B20/14 , G11B5/59655 , G11B5/59688 , G11B7/2403 , G11B20/1217 , G11B27/24 , G11B27/3063 , G11B2020/1238 , G11B2220/235 , G11B2220/2508
摘要: Various embodiments provide a recording medium. The recording medium may include a dedicated servo layer for providing servo information. The dedicated servo layer may include a plurality of tracks. A first track may include a first servo signal. A second track may include a second servo signal. The first servo signal and the second servo signal may include a plurality of common transitions. The transitions may be provided at a pre-determined frequency.