OPTICAL RECORDING MEDIA

Optical recording media comprising a base (1), a recording layer (2) formed thereon, and a reflecting layer (3) formed on the layer (2), wherein the recording layer (2) contains at least one kind of specified dyes selected from among polymethine dyes having 1 to 4 carbon atoms in the main methine ch...

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Bibliographic Details
Main Authors TAMURA, SHINICHIRO, OYAMADA, MITSUAKI
Format Patent
LanguageEnglish
French
Japanese
Published 29.10.1998
Edition6
Subjects
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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Summary:Optical recording media comprising a base (1), a recording layer (2) formed thereon, and a reflecting layer (3) formed on the layer (2), wherein the recording layer (2) contains at least one kind of specified dyes selected from among polymethine dyes having 1 to 4 carbon atoms in the main methine chain to secure a sufficient recording sensitivity to a light in the red wavelength region. La présente invention concerne des supports d'enregistrement optique comprenant un support (1), une couche d'enregistrement (2) formée sur celui-ci, et une couche réfléchissante (3) formée sur la couche d'enregistrement (2), cette couche d'enregistrement (2) contenant au moins un type de colorants déterminés choisis parmi des colorants polyméthiniques renfermant 1 à 4 atomes de carbone dans la chaîne méthine principale afin d'assurer une sensibilité d'enregistrement suffisante pour une lumière située dans la zone de longueur d'onde rouge.
Bibliography:Application Number: WO1998JP01881