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Disk drive for circular self servo writing and spiral self servo writing using prewritten reference servo bursts
Disk drive for circular self servo writing and spiral self servo writing using prewritten reference servo bursts
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机译:磁盘驱动器,用于圆形自我伺服写入和螺旋自我伺服写入,使用预写的参考伺服脉冲
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摘要
A disk drive is disclosed comprising a disk and a head actuated radially over the disk. An external servo writer is used to write reference servo bursts to the disk at a coarser radial resolution than product servo bursts. During a self servo writing operation, the reference servo bursts are processed to servo circularly to write a first set of product servo bursts to the disk. The reference servo bursts are also processed to servo spirally to write a second set of product servo bursts to the disk.
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