Disclosed is a write-once optical disc and method for managing a spare area thereof, the write-once optical disc possibly having a temporary defect management area within one or more spare areas. The method includes the steps of: allocating one or more spare areas including the temporary defect management...http://www.google.com.tw/patents/US7944783?utm_source=gb-gplus-share專利 US7944783 - Write-once optical disc and method for managing spare area thereof