SUBSTRATE MATERIAL FOR HIGH SPEED OPTICAL DISCS

This invention relates to the use of polycarbonate for the production of an optical recording medium in which secure high speed operation, a transcriptability of the pit/groove structure of > 85% and sufficient disc flatness can be achieved. La présente invention concerne l'utilisation de po...

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Bibliographic Details
Main Authors ZHANG, ICE, HAESE, WILFRIED, WONG, RAYMOND, ROPPEL, MICHAEL, BRUDER, FRIEDRICH-KARL, BLASCHKE, ULRICH, WEHRLE, JOERG, OSER RAFAEL
Format Patent
LanguageEnglish
French
Published 23.06.2011
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:This invention relates to the use of polycarbonate for the production of an optical recording medium in which secure high speed operation, a transcriptability of the pit/groove structure of > 85% and sufficient disc flatness can be achieved. La présente invention concerne l'utilisation de polycarbonate pour produire un support d'enregistrement optique permettant d'obtenir un fonctionnement rapide et sécurisé, une aptitude à la réinscription d'une structure de microcuvettes/sillons à plus de 85% et une planéité suffisante du disque.
Bibliography:Application Number: WO2009EP08903