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    • 2. 发明申请
    • Multi-layer optical disc and its manufacturing method
    • 多层光盘及其制造方法
    • US20060291366A1
    • 2006-12-28
    • US10569684
    • 2004-08-19
    • Fulong TangDianyong ChenJing Tao
    • Fulong TangDianyong ChenJing Tao
    • G11B3/70
    • G11B7/24038G11B7/26
    • A kind of optical disc consists of the first layer, the second layer and the in-between layer, which lies between the first layer and the second layer. The first layer with its surface undulant includes material used to record information. The second layer with its surface basically flat includes material used to record information referring to the undulation of the first layer. The method to manufacture this optical disc comprises the steps of forming undulant first layer; forming the in-between layer on the surface of the first layer; and then forming the second layer. The first layer includes material used to record information, and the second layer includes material used to record information referring to the undulation of the first layer.
    • 一种光盘由位于第一层和第二层之间的第一层,第二层和中间层组成。 具有表面起伏的第一层包括用于记录信息的材料。 其表面基本平坦的第二层包括用于记录参考第一层起伏的信息的材料。 制造该光盘的方法包括以下步骤:形成起伏的第一层; 在第一层的表面上形成中间层; 然后形成第二层。 第一层包括用于记录信息的材料,第二层包括用于记录参考第一层起伏的信息的材料。