Phase-change optical recording medium having an additive related
Phase-change optical recording medium having first and...
Phase-change optical recording medium having tracking signal...
Phase-change type medium for use in high density recording
Phase-change type optical disk
Phase-change type optical recording medium and method of...
Phase-change type optical recording medium having recording mark
Phase-change type optical storage medium having multiple...
Plastic clamp with hub and platter for use in disc drive
Plastic clamp with hub and platter for use in disc drive
Plastic hub containing a magnetic material and method of its man
Playback system for an optical disc presenting a character or a
Polarization of a reflected light beam is changed according to t
Position controlling mechanism for a disc cartridge
Position detection device, position detection method,...
Pre-format configuration of optical disks and method of data pro
Pre-formatted linear optical data storage medium
Pre-formatted linear optical data storage medium
Pre-formatted moth-eye type optical data storage member and meth
Pre-formatting for optical recording medium having...