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METHOD AND APPARATUS OF RECORDING SERVO INFORMATION ON A MAGNETIC HARD DISK, A DISK DRIVE SERVO STAMPER, AND A SERVO PHOTO PRINTING MASK
METHOD AND APPARATUS OF RECORDING SERVO INFORMATION ON A MAGNETIC HARD DISK, A DISK DRIVE SERVO STAMPER, AND A SERVO PHOTO PRINTING MASK
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机译:在硬磁盘,磁盘驱动器上的邮票和伺服照片打印模板上记录伺服信息的方法和装置
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摘要
A plurality of redundant sets of servo data are recorded on a magnetic hard disk. The set meeting a predetermine criteria is employed when the hard disk is assembled into a hard disk drive. The determination of which set has the criteria may be conducted by the disk drive itself. The criteria may include a determination the set of servo data having meeting a minimum quality criteria or the fewest errors. The criteria may include a selection of a set of servo data having a specific pattern where the prerecorded sets may comprise a differing servo patterns that may be used by disk drives requiring specific servo patterns. The servo data are printed onto the hard disk by means of a stamper or mask having all the sets of servo data.
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