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MAGNETIC RECORDING MEDIUM, HARD DISK DRIVE EMPLOYING THE SAME, AND METHOD OF MEASURING WRITE READ OFFSET OF THE HARD DISK DRIVE
MAGNETIC RECORDING MEDIUM, HARD DISK DRIVE EMPLOYING THE SAME, AND METHOD OF MEASURING WRITE READ OFFSET OF THE HARD DISK DRIVE
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机译:磁性记录介质,使用相同磁盘的硬盘驱动器以及测量硬盘驱动器写读偏移的方法
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摘要
A magnetic recording medium, a hard disk drive (HDD) employing the same, and a method of measuring a write read (WR) offset of the HDD are provided. The magnetic recording medium includes a disk substrate and a magnetic recording layer formed on one or both surfaces of the disk substrate, wherein the magnetic recording layer comprises: at least one pattern area patterned into a plurality of data tracks wherein the at least one pattern area is formed of a patterned magnetic substance; and at least one continuous area formed of a continuous magnetic substance, wherein the continuous area is used to measure a WR offset. Accordingly, the HDD employing the magnetic recording medium can correct the WR offset of the magnetic head without requiring large modifications.
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