Recording layer and sputtering target for optical information recording media, as well as optical information recording media

Provided is a recording layer for optical information recording media that is not only excellent in initial reflectivity, creation of recording marks, and the like but also extremely excellent in durability under a high temperature and high humidity environment and that can be adequately applied to...

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Bibliographische Detailangaben
Hauptverfasser:	IDO, TATEWAKI, FUJII, HIDEO, TAUCHI, YUKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PHYSICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Provided is a recording layer for optical information recording media that is not only excellent in initial reflectivity, creation of recording marks, and the like but also extremely excellent in durability under a high temperature and high humidity environment and that can be adequately applied to a next generation optical disc using a blue-violet laser beam. The recording layer for optical information recording media used to create recording marks by irradiating a laser beam comprises a Sn-based alloy containing 5 to 50 atomic percent of In and/or 12 to 40 atomic percent of Zn.