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Disk drive having a disk including a servo burst pattern that improves the signal to noise ratio during track following for writing
Disk drive having a disk including a servo burst pattern that improves the signal to noise ratio during track following for writing
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机译:具有包括伺服突发模式的磁盘的磁盘驱动器,该模式在写入的磁道跟踪期间提高了信噪比
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摘要
A disk drive has a sampled servo system controller and a disk. The disk has a plurality a plurality servo burst fields, the plurality of servo burst field including first and second normal burst fields, and first and second quadrature burst fields. A portion of the first quadrature burst field is circumferentially contiguous with the first normal burst field and spans a portion of a radial extent of the first normal burst field. The second normal burst field is radially aligned with and away from the first normal burst field and spans a portion of a radial extent of the first quadrature burst field. The second quadrature burst field is radially aligned with and away from the first quadrature burst field and spans a portion of a radial extent of the second normal burst field. The first normal burst field and the first quadrature burst field have a same first phase and the second normal burst field and the first quadrature burst field have a same second phase. The first phase is different than the second phase.
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