METHOD OF ENHANCING PIT REPLICATION IN OPTICAL DISKS

Polycarbonate compositions incorporating long chain alkylphenol endgroups, for example cardanol, show enhanced pit replication characteristics when molded into optical disks. The enhancement in molding performance is especially pronounced at the shortest mold cycle times tested. Thus, a blend of 75...

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Bibliographische Detailangaben

Hauptverfasser:	WHITNEY, JOHN, MORGAN, BRACK, HANS-PETER, GOEWEY, CHRISTOPHER, DAVID, LENS, JAN-PLEUN, DRIS, IRENE
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
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