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公开(公告)号：CA2163689A1
公开(公告)日：1996-06-03
申请号：CA2163689
申请日：1995-11-24
Applicant: IBM
Abstract: A mechanism for servowriting on a storage medium of a storage device. The storage device has a transducer and a servo loop for positioning the transducer with respect to the storage medium. At least one transition is written on a track of the storage medium, while servoing o n other transitions previously recorded on the storage medium. A reference waveform is derived as a functio n of a closed loop response of the servo loop and a position error waveform. The position error waveform corresponds to one or more position errors of the transducer relative to the previously recorded transitions. The reference waveform is usable in writing subsequent tracks on the storage medium. Using the reference waveform for writing subsequent tracks provides a substantial rejection of mechanical disturbance s by the servo loop.
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