Method for making a composite video disc

Method for manufacturing a magneto-optical memory element

Method for modifying optical path on optical recording...

Method for optical data storage and optical data storage media

Method for providing track position and identification...

Method for recording a lead-out on an optical disc

Method for recording a lead-out on an optical disc

Method for recording-regenerating information from optical recor

Method for reproducing information data from a recording...

Method for reproducing information from recording medium...

Method for substituting defective recording of discoid recording

Method for triggering through disc grooves and related...

Method of allocating areas in optical disc, data recording...

Method of and apparatus for manufacturing multi-layer...

Method of and apparatus for recording data in various...

Method of coating a workpiece of a plastic material by a metal l

Method of initializing phase-change optical disk to prevent...

Method of manufacturing a master plate where its guide groove ha

Method of manufacturing a multilayered optical disc

Method of manufacturing an optical storage medium and...