| 摘要 |
PROBLEM TO BE SOLVED: To provide a disk storage device capable of applying burst signals reproduced from a spiral servo pattern to a head position error computing system based on a radial servo pattern. SOLUTION: A disk drive 100 provided with a disk medium 1 wherein the spiral servo pattern is recorded comprises: a servo processing part 160 for reproducing the hexagonal burst signals from the spiral servo pattern read by a read head 120R and generating position data made to correspond to servo burst signals; and a CPU 170 for executing position error computation to be executed using the position data. COPYRIGHT: (C)2008,JPO&INPIT
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