| 摘要 |
PROBLEM TO BE SOLVED: To provide a trial writing method of an information recording capable of obtaining an optimum recording parameter regardless of influence of variations for each medium and a change in environment and performing stable, high-density recording/reproduction when recording on a medium for information recording with high density, and to provide an information recording apparatus. SOLUTION: The trial writing method includes a step for recording on the information recording medium by a different power level; a step for reproducing recording marks; and a step for determining a record parameter according to the correlation between the power level and the reproduction characteristics of the recording marks. COPYRIGHT: (C)2005,JPO&NCIPI
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