| 摘要 |
An improved writing strategy for constant angular velocity writing of CD-RW (compact disk-rewritable media) uses similar strategy as the constant linear velocity writing mode. The writing strategy includes the steps of dividing the compact disk into annular regions, setting a laser duty ratio for one of the regions, setting a laser write pulse duration to establish the laser duty ratio, and setting the laser duty ratios of the remaining annular regions using the same laser write pulse duration in each region. If the writing strategy results in unacceptable performance, as by laser write jitter being out of tolerance, the laser write pulse duration may be slightly modified in selected areas to acquire the desired performance level.
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