OPTICAL RECORDING DISC, ITS MANUFACTURING METHOD AND OPTICAL DATA RECORDING/ REPRODUCING METHOD FOR OPTICAL RECORDING DISC

PROBLEM TO BE SOLVED: To provide an optical recording disc which has a recording layer containing an organic compound as a principal component and can record/reproduce data with the help of a bluish-purple laser beam with a wavelength of 390 to 420 nm. SOLUTION: The optical recording disc has a reco...

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Bibliographische Detailangaben
1. Verfasser:	FUKUZAWA SHIGETOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COLOUR PRINTING DYES HETEROCYCLIC COMPOUNDS 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 CHEMISTRY 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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an optical recording disc which has a recording layer containing an organic compound as a principal component and can record/reproduce data with the help of a bluish-purple laser beam with a wavelength of 390 to 420 nm. SOLUTION: The optical recording disc has a recording layer 5 containing an organic compound as a principal component, and the organic compound contains a porphyrin coloring matter as a principal component. COPYRIGHT: (C)2004,JPO