Optical information recording medium

The present invention provides an optical information recording medium which is capable of high speed recording at, for example, an 8 times or higher speed and is excellent in the stability for storage of recorded material (light fastness). The invention provides an optical information recording med...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KODAIRA, TAKUO, FUJII, TORU, OKITSU, ISAO, UCHIDA, MAMORU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LAKES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS PHYSICS POLISHES TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention provides an optical information recording medium which is capable of high speed recording at, for example, an 8 times or higher speed and is excellent in the stability for storage of recorded material (light fastness). The invention provides an optical information recording medium having light interference layers including a recording layer on a substrate, in which the recording layer comprises an organic dye and contains as a photostabilizer, for example, the compound represented by the following formula 1 wherein at least one of R1 to R8 represents a substituted alkyl group having a terminal cyano group, with the others represent other substituents; Y represents a monovalent or divalent cation; and X represents a monovalent or divalent anion.