| 摘要 |
An information recording method performing recording on an information recording medium having multiple rewritable recording layers each having a data area in which user data is to be recorded is disclosed. The method includes a recorded area presence or absence determination step that determines whether a recorded area exists in at least the data area of a first recording layer; and a corresponding unrecorded area data filling step that, if the recorded area exists in the first recording layer, records predetermined data in an unrecorded area in an area, corresponding to the same radial position as the recorded area, in a second recording layer except the first recording layer at a predetermined timing before completion of the recording on the information recording medium.
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