Patent Number: 7,787,200

Title: Disk-device correcting system, information managing device, master-disk producing device, and master-disk producing method

Abstract: A master-disk producing device produces a master disk with master-disk identification information added. A disk producing device produces a first disk with the master-disk identification information added, using the master disk with the master-disk identification information added. A first disk device obtains, after the first disk with the master-disk identification information added is mounted, first correction information from a correction-information storing device based on the master-disk identification information of the first disk.

Inventors: Suzuki; Hiroyuki (Kawasaki, JP), Yamada; Tomoyoshi (Kawasaki, JP), Fukushi; Masanori (Kawasaki, JP), Takaishi; Kazuhiko (Kawasaki, JP), Maruyama; Tsugito (Kawasaki, JP), Kuroda; Sumio (Kawasaki, JP)

Assignee: Toshiba Storage Device Corporation

International Classification: G11B 5/86 (20060101)

Expiration Date: 8/31/12018