Optical disc head including a bowtie grating antenna and...
Optical disc hidden data technique
Optical disc identification method
Optical disc inclination detecting method, optical pickup...
Optical disc including a learning area having first and...
Optical disc including a plurality of data layers
Optical disc including two different sets of sectors having...
Optical disc judgment method and optical disc device
Optical disc label
Optical disc manufacturing method and device, optical disc,...
Optical disc master recording device
Optical disc media type confirmation method
Optical disc medium
Optical disc medium and data recording method and apparatus
Optical disc medium and optical disc device
Optical disc medium having a plurality of sector groups, a...
Optical disc medium having extended record control data...
Optical disc medium, optical disc recording/reproducing...
Optical disc memory system utilizing a smectic chiral liquid cry
Optical disc method, media and apparatus for writing and/or read