Method of selecting zone lay-out of a hard disk drive on basis of head/recording medium performance
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United States of America Patent
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Jul 4, 2000
Grant Date -
N/A
app pub date -
Sep 18, 1997
filing date -
Sep 18, 1996
priority date (Note) -
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Abstract
A method of selecting a zone lay-out of a hard disk drive on the basis of head/recording medium performance, which method includes (a) setting a reference position of each of the magnetic heads to measure the head performance, and a reference value of the head performance at the reference position; (b) making a disk drive by selecting a zone lay-out corresponding to the reference value of the head performance; (c) measuring an error rate of all zones of the disk drive by using the selected zone lay-out; and (d) when the measured error rate does not satisfy the reference value, selecting another zone lay-out of another disk drive of lower capacity, and performing the next test on that disk drive.
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