Rewritable optical recording medium and manufacturing method and apparatus therefor

摘要

A rewritable optical recording medium includes a segmented groove area (12A) in which the groove track is segmented along a rotating direction of the recording medium by groove non-forming portions to form a plurality of groove portions; and a continuous groove area (12B) in which a continuous groove is formed, the continuous groove having a groove width smaller than a groove width in the segmented groove area.