| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve signal quality in sampling of the lowest power level by achieving a better wobble signal to noise ratio (C/N ratio) during writing, in a recording carrier recording method by which a mark and a land are formed by irradiating a recording plane of a recording carrier with a radiation beam. <P>SOLUTION: The radiation beam is set to at least one write power level capable of forming a mark during a mark period for respective marks to be recorded, and set to at least one bottom power level incapable of forming a mark during a land period for respective lands during marks. The wobble signal is recorded in the recording carrier, the bottom power level is temporarily raised to an intermediate power level during an intermediate period. Preferably, the intermediate level is set within a range of from 1.5 to 6, in particular from 2 to 4, times the bottom power level. <P>COPYRIGHT: (C)2008,JPO&INPIT |
