An information recording medium is provided that includes a data area for recording user data and a defect management area for recording a defect list for managing N number of defect areas existing in the data area, where N is an integer satisfying N≧0. The defect list includes two or more blocks,...http://www.google.com.tw/patents/US7630281?utm_source=gb-gplus-share專利 US7630281 - Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method
