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    • 10. 发明授权
    • Data recording medium
    • 数据记录介质
    • US5671211A
    • 1997-09-23
    • US560302
    • 1995-11-17
    • Ryojiro AkashiTakashi MorikawaMasanobu NinomiyaTakashi Uematsu
    • Ryojiro AkashiTakashi MorikawaMasanobu NinomiyaTakashi Uematsu
    • G02F1/133G06K1/12G06K7/08G06K19/06G11B5/70G11B7/25G11B23/38G11B7/24
    • G02F1/132G06K1/126G06K19/06196G06K7/082G11B23/38G11B5/70G11B7/25
    • A data recording medium having a well-recognizable recording layer which reversibly changes in degree of light scattering when externally stimulated. One embodiment of the data recording medium of the present invention comprises (a) a visible data recording layer, the degree of light scattering of which reversibly changes when externally stimulated, (b) a transparent substrate layer, (c) a low refractive layer having a lower refractive index than the transparent substrate layer, (d) a colored substrate layer and (e) a magnetic recording layer, laminated in this order. Another embodiment of the data recording medium comprises (a) a visible data recording layer, (b) a first transparent substrate layer, (c) a low refractive layer, (d) a second transparent substrate layer and (e) a colored magnetic recording layer, laminated in this order. Still another embodiment of the data recording medium comprises (a) a visible data recording layer, (b) a light reflective layer, (c) a magnetic recording layer and (d) a substrate layer. In the data recording medium, the visible data recording layer preferably comprises a liquid crystal polymer. The recording layer may have a protective layer laminated thereon.
    • 一种数据记录介质,具有可以被外部刺激的光散射程度可逆地改变的可识别的记录层。 本发明的数据记录介质的一个实施例包括(a)可视数据记录层,其外部刺激时可逆地改变的光散射度,(b)透明基底层,(c)低折射层, 比透明基底层低的折射率,(d)彩色基底层和(e)磁记录层,依次层叠。 数据记录介质的另一实施例包括(a)可见数据记录层,(b)第一透明基底层,(c)低折射层,(d)第二透明基底层和(e)彩色磁记录 层,按顺序层压。 数据记录介质的另一实施例包括(a)可视数据记录层,(b)光反射层,(c)磁记录层和(d)基底层。 在数据记录介质中,可视数据记录层优选包括液晶聚合物。 记录层可以具有层压在其上的保护层。