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    • 3. 发明授权
    • Hybrid information recording medium with masking layer
    • 具有掩蔽层的混合信息记录介质
    • US6098889A
    • 2000-08-08
    • US944956
    • 1997-10-07
    • Yoshihiro OgawaMizuho HiraokaKazumi NaganoHiroshi Tanabe
    • Yoshihiro OgawaMizuho HiraokaKazumi NaganoHiroshi Tanabe
    • G06K19/06
    • G06K19/06009
    • An optical recording medium includes an integrated circuit (IC) module whose exposed surface is masked so as not to be visually recognized. The optical recording medium can be efficiently manufactured without degrading the essential function thereof. The optical recording medium includes a transparent substrate, an optical recording layer and a protective layer provided in this sequence. The IC module is buried in the optical recording medium so that one surface of the IC module is exposed on the protective layer. The optical recording medium also includes a hardened surface layer, transparent to a light beam for reproducing information recorded in the optical recording layer, or for reproducing information recorded in the optical recording layer and recording information in the optical recording layer, provided on a surface of the transparent substrate where the light beam is projected, and a masking layer provided in a region behind the IC module on the external surface of the hardened surface layer.
    • 光记录介质包括其曝光表面被掩蔽以便不被视觉识别的集成电路(IC)模块。 可以有效地制造光学记录介质,而不会降低其基本功能。 光记录介质包括透明基板,光记录层和按此顺序提供的保护层。 将IC模块埋入光记录介质中,使得IC模块的一个表面暴露在保护层上。 光学记录介质还包括硬化表面层,对于用于再现记录在光学记录层中的信息的光束是透明的,或者用于再现记录在光学记录层中的信息和记录在光学记录层中的信息, 其中投射光束的透明基板和设置在硬化表面层的外表面上的IC模块后面的区域中的掩模层。