Optical disk substrate and optical information-storage medium

Optical disk substrate, optical information-storage medium, and

Optical disk with vibration dampening

Optical element having durability enhancing layer

Optical information medium

Optical information medium

Optical information medium and its fabrication process

Optical information medium and method for printing on the surfac

Optical information medium and production method therefor

Optical information medium exhibiting sharp threshold for markin

Optical information medium, and method and apparatus for fabrica

Optical information medium, and method and apparatus for...

Optical information medium, optical information recording...

Optical information recording carrier

Optical information recording disk

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium