| 摘要 |
PROBLEM TO BE SOLVED: To correct a servo signal on a disk efficiently by a simple configuration. SOLUTION: The disk device correction system 50 comprises an information management server 101 which stores master disk discrimination information for discriminating a master disk and first correction information for correcting a servo signal on a first disk produced to a master disk while making both information to correspond to each other, and while a drawing device 301 produces the master disk adding the master disk discrimination information thereto, a disk medium production device 201 produces a first disk added with the master disk discrimination information using the master disk added with the master disk discriminating information, and a magnetic disk device D1, after the first disk added with the master disk discriminating information is loaded thereon, stores the first correction information after acquiring it from the information management server 101 based on the master disk discrimination information of the first disk. COPYRIGHT: (C)2007,JPO&INPIT
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