| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve productivity in sequentially recording data on a plurality of optical disks using an optical disk device. Ž<P>SOLUTION: When recording the data on the plurality of optical disks while the optical disk device is built in a duplicator, etc., a system controller 32 determines whether a manufacturer ID (MID) of the optical disk to be recorded next matches the previous MID. When the MIDs matches each other, it is determined whether the variation of servo gain is within an allowable range. When it is within the allowable range, the adjustment of the servo gain is skipped and physical format information, etc. is pre-written in a control data zone. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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