Patent ID: 7440375
Filing Date: 2008-10-21
Classification: G11B

Abstract:
1. An information recording apparatus for recording record information onto an information recording medium having a plurality of recording layers, said information recording apparatus comprising: a writing device capable of writing the record information into the plurality of recording layers; a controlling device for controlling said writing device to write first border information or second border information with a smaller recording capacity than that of the first border information, at an end of the record information recorded into one recording layer of the plurality of recording layers; and a detecting device for detecting a spare capacity of a data area of the one recording layer, said controlling device controlling said writing device to write the first border information at the end if the detected spare capacity is equal to or greater than a first threshold value, and controlling said writing device to write all or part of the second border information between (i) the end and (ii) a start position of a middle area formed on an outer circumference side of the data area if the detected spare capacity is less than the first threshold value.