Metal master for producing optical discs

Metallized information carrying discs

Method and apparatus for correcting focus in an optical recordin

Method and apparatus for dampening disk vibrations

Method and apparatus for definition of signal for record medium

Method and apparatus for definition of signal for record medium

Method and apparatus for enhancing the utility of a photopolymer

Method and apparatus for erasing information from optical record

Method and apparatus for optical data storage

Method and apparatus for recording and reproducing information u

Method and apparatus for recording and reproducing...

Method and apparatus for recording and reproducing...

Method and apparatus for recording MPEG-compressed video data an

Method and apparatus for recording MPEG-compressed video...

Method and apparatus for recording optical information, and...

Method and apparatus for recording optical information, and...

Method and apparatus for recording optical information...

Method and apparatus for recording optical information...

Method and apparatus for recording/reproducing optical...

Method and apparatus for reproducing a recording medium having a