Composite optical disk with structure for preventing adhesive fr
Computer disk and audio compact disk storage with a plurality of
Conductive video disc
Configuration of three-dimensional features in data...
Configuration of three-dimensional features in data...
Constant amplitude of tracking error signals generated from a he
Constant linear velocity (CLV) optical disc
Construction of optical disk
Container casing for disc-shaped recording medium
Control information recording method and apparatus,...
Copy count protection structure for optical recording medium and
Copy protectable optical media device and methodology therefor
Curable reaction compositions for producing data carriers
Cushion disc for phonograph records
Customized graphics for dual layer optical discs