Method for variable zone layout for information storage disk drive
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United States of America Patent
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Feb 9, 1999
Issued Date -
N/A
app pub date -
Jan 30, 1996
filing date -
Dec 19, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic recording system utilizing a plurality of surfaces on a magnetic recording disk with recording zone boundaries established on the respective surfaces of the disk based on the performance characteristic of the read/write head associated with the surface. Since the zone boundaries are established uniquely for the performance of each head rather than by defining the boundaries of all zones for all surfaces in advance based on an assumed performance characteristic of the heads, the zone boundaries on one surface of the disk will not necessarily align with the zone boundaries on another surface of the disk. Similarly, when a plurality of disks are utilized, the zone boundaries will not necessarily be aligned. Improved utilization of the available stroke on the disk drive permits further improvement in recording density.
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