| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve jitter characteristics and to secure high reliability in an optical disk. <P>SOLUTION: In an optical information recording medium, a reflection layer is formed by providing a metal film containing phosphorus and having ≥60 mgf/μm<SP>2</SP>nano indentation hardness, an adhesive layer for bonding has 100 to 200°C glass transition temperature, ≥1,000 MPa elastic modulus at 25 to 80°C and ≥4N adhesive strength, and a dye layer has absorbance of ≤0.2 as solubility of its dye in water. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
