An information recording medium, a recording and/or reproducing apparatus and a recording and/or reproducing method are provided. The recording apparatus includes: a write/read unit for recording data on an information storage medium in which a user data area for writing user data and a spare area for...http://www.google.com/patents/US7755988?utm_source=gb-gplus-sharePatent US7755988 - Information recording medium, recording/reproducing apparatus and recording/reproducing method
