Optical information recording medium

For improving the jitter property and ensuring the high reliability of an optical disk, a metal film containing phosphorus is disposed in a reflective layer, the layer having a hardness of 60 mgf/µm 2 or more as a nano indentation hardness, an adhesive layer used for bonding has a glass transition t...

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Bibliographic Details
Main Author HARA FUMI,ISHIBASHI SACHIKO,SATOH MASASHI,FUJII TORU,ARAI YUJI
Format Patent
LanguageEnglish
Published 10.05.2006
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:For improving the jitter property and ensuring the high reliability of an optical disk, a metal film containing phosphorus is disposed in a reflective layer, the layer having a hardness of 60 mgf/µm 2 or more as a nano indentation hardness, an adhesive layer used for bonding has a glass transition temperature of 100°C or higher and 200°C or lower, and a modulus of elasticity at 25 to 80°C of 1000 MPa or more and an adhesion strength of 4N or more, and the dye for the dye recording layer has a water solubility of 0.2 or less as the light absorption.
Bibliography:Application Number: CN200510107880