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    • 9. 发明授权
    • Method of manufacturing optical disk
    • 制造光盘的方法
    • US5096563A
    • 1992-03-17
    • US700434
    • 1991-05-15
    • Atsushi YoshizawaFumio Matsui
    • Atsushi YoshizawaFumio Matsui
    • B29D17/00G11B7/26
    • B29D17/005G11B7/261
    • An optical disk manufacturing method comprises a step of preparing a master disk having an elastomer layer, formed on a transparent substrate and containing photosensitive dyes, and a polymer support layer, formed on the elastomer layer and having a glass transition temperature; a step of forming minute bumps on the master disk by irradiation of a focusing laser beam; a step of forming a metal layer on that surface of the master disk which has the minute bumps; and a step of forming a stamper layer on that surface of the master disk which is rendered conductive, thereby forming a stamper. According to another optical disk manufacturing method, the metal stamper forming step is replaced with a step of forming a transfer layer, made of a transparent ultraviolet-ray hardening resin, on that surface of the master disk which has the minute bumps, thereby forming a resin stamper.
    • 光盘制造方法包括:制备具有弹性体层的母盘的步骤,所述母盘形成在透明基底上并含有感光性染料,聚合物支撑层形成在弹性体层上并具有玻璃化转变温度; 通过聚焦激光束的照射在母盘上形成微小凸起的步骤; 在具有微小凸起的母盘的表面上形成金属层的步骤; 以及在导电的母盘的表面上形成压模层的步骤,从而形成压模。 根据另一种光盘制造方法,金属压模形成步骤被替换为在具有微小凸起的母盘的表面上形成由透明紫外线硬化树脂制成的转印层的步骤,从而形成 树脂压模。