Patent 7876651 was granted and assigned to Lite-On on January, 2011 by the United States Patent and Trademark Office.
The invention relates to a method of writing data to a disc (OD). The method comprising a) performing a writing action in which a first data portion is written to the disc; a2) deciding to perform b) or not and b) verifying at least part of the first data portion that is written to the disc and deciding to replace the first data portion that is written to the disc or not. Finally the method comprises c) performing a further writing action in which a second data portion is written to the disc.