Optical recording medium having two separate recording layers
Optical recording medium having two superimposed recording level
Optical recording medium having unreadable restricted...
Optical recording medium having unrecordable restricted...
Optical recording medium having wobbling groove extending...
Optical recording medium having zones wherein the number of sect
Optical recording medium including a divided track with...
Optical recording medium including a plurality of diffracted gra
Optical recording medium including a wobbled groove with...
Optical recording medium including identification region...
Optical recording medium including protruding winding parts...
Optical recording medium its manufacturing method and...
Optical recording medium on which multi-modulated header...
Optical recording medium recordable on land and groove tracks
Optical recording medium recorded with information in depth...
Optical recording medium recording pixel data as a compressed un
Optical recording medium using land/groove recording
Optical recording medium using land/groove recording
Optical recording medium with a substrate of two different...
Optical recording medium with a thick overcoat