198200 ⎘
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes two or more dyes in two or more different layers, e.g. one dye absorbing at 405 nm in layer one and a different dye absorbing at 650 nm in layer two
OPTICAL RECORDING MEDIUM, OPTICAL RECORDING APPARATUS, AND SYSTEM TO PREPARE CONTENTS-RECORDED OPTICAL RECORDING MEDIUM
#2OPTICAL RECORDING MEDIUM
#3Optical Recording Medium
#4Optical recording medium
#5OPTICAL DISC, INFORMATION RECORDING METHOD, INFORMATION REPRODUCING METHOD, AND DISC DRIVE
#6Substrate having dye layers that locationally change in color upon exposure to beam
#7Optical recording medium and dye
#8Dye-based recordable DVD medium, and method and apparatus for recording and reproducing thereof
#9Optical recording medium, production method thereof, and, method and apparatus for recording and reproducing optical recording medium
#10Optical recording medium