| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate adjustment of a recording strategy for an optical disk device. <P>SOLUTION: An optical pickup 16 for an optical disk device uses a plurality of light sources such as an LD for CDs and an LD for DVDs. When a CD-R/RW is loaded as an optical disk 10, test data is recorded with a CD laser beam and reproduced with a DVD laser beam, and a pit length and a land length are measured to adjust the recording strategy. <P>COPYRIGHT: (C)2010,JPO&INPIT |
