HIGH-DENSITY WRITE-ONCE OPTICAL DISK RECORDING MEDIUM

PROBLEM TO BE SOLVED: To improve chemical stability of a cyanine dye mixture and solubility in an organic solvent by preparing a cyanine dye mixture having a suitable ratio to a recording layer material. SOLUTION: A high-density write-once optical disk recording medium comprises a least the mixture...

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Bibliographische Detailangaben
Hauptverfasser:	YANG HUEI-WEN, KO TOKUZUI, RI MEIKA, CHEN YUNIAO, KO TOKU, KO KENRYO, YEN WEN-HSIN, KO TEIKI, RYO BUNKI, JENG TZUAN-REN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COLOUR PRINTING DYES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS PHYSICS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve chemical stability of a cyanine dye mixture and solubility in an organic solvent by preparing a cyanine dye mixture having a suitable ratio to a recording layer material. SOLUTION: A high-density write-once optical disk recording medium comprises a least the mixture of the cyanine dye (1) represented by formula (I) and the cyanine dye (11) represented by formula (II), wherein R is a benzene ring ester group, X- is an acid anion.