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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Bibliographische Detailangaben
Hauptverfasser:	ICE, ZHANG, HAESE, WILFRIED, WONG, RAYMOND, ROPPEL, MICHAEL, BRUDER, FRIEDRICH-KARL, OSER RAPHAEL, BLASCHKE, ULRICH, WEHRLE, JOERG
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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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Beschreibung
Zusammenfassung:	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.