| 摘要 |
PROBLEM TO BE SOLVED: To provide a magneto-optical recording medium with high recording density and excellent recording reproduction characteristics by optimizing a magnetic layer constituting the magneto-optical recording medium which attains high density recording. SOLUTION: The magneto-optical recording medium is provided with a recording layer formed by a magnetic material and having granular structure, a reproduction layer formed by rare earth transition metals and an auxiliary magnetic layer formed by the magnetic material and provided between the recording layer and the reproduction layer and wherein, the recording layer is formed by a CoPtCr based alloy magnetic material which contains oxide. COPYRIGHT: (C)2007,JPO&INPIT
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