Patent ID: 6421750
Filing Date: 2002-07-16
Classification: G11B

Abstract:
A process for producing a master for optical data carriers using a laser beam recorder, comprising:receiving digital information data to be recorded; checking and processing said digital information data and adding control data to generate preliminary mastering data; storing the preliminary mastering data in an archival data storage device; associating feature item with the preliminary mastering data and storing the feature item in a database that is separate from the archival data storage device; requesting the associated preliminary mastering data based on a stored feature item; transferring the requested preliminary mastering data from the archival data storage device to a cache server; and transmitting the transferred preliminary mastering data as a continuous file without interruption from the cache server to the laser beam recorder for uninterrupted recording of the master, wherein the cache server stores an immediately preceding file in addition to the transferred preliminary mastering data.