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Patterned-media magnetic recording disk drive with data island misplacement information in the servo sectors
Patterned-media magnetic recording disk drive with data island misplacement information in the servo sectors
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机译：伺服扇区中带有数据岛错位信息的图案介质磁记录磁盘驱动器
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摘要
A disk drive with patterned-media disks has information recorded in the servo sectors that identifies misplacement of the data islands in the data regions between the servo sectors. This misplacement information is read from the servo sectors prior to writing to correct either or both the radial position of the write head and the timing of the write pulses to the data islands. The misplacement information may include radial deviation of the data tracks, circumferential or along-the-track misplacement of the data islands, or the location of defective data islands.
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