| 摘要 |
PROBLEM TO BE SOLVED: To provide a magneto-optical recording medium enabling signals to be reproduced by short wavelength laser radiation with excellent C/N. SOLUTION: In the magneto-optical recording medium consisting of the first dielectric layer 2, non-magnetic magnetic layer 3, the second dielectric layer 4, a metal heat diffusion layer 5, the third dielectric layer 3 and a reflecting layer 7 formed on the transparent substrate 1 in order and poured laser radiation from the substrate 1 side, the second dielectric layer 4 with SiN that thickness is 1 nm to 9 nm and the metal heat diffusion layer 5 with Au, Ag or Cu those thicknesses are 3 nm to 10 nm are formed.
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