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    • 10. 发明申请
    • Protective layer for reimageable medium
    • 可再形成介质的保护层
    • US20070003847A1
    • 2007-01-04
    • US11156437
    • 2005-06-20
    • Naveen ChopraGabriel IftimePeter Kazmaier
    • Naveen ChopraGabriel IftimePeter Kazmaier
    • G03C3/00
    • G03C1/73G03C1/002Y10S430/163
    • A reimageable recording medium includes a substrate, a display layer, and a protective layer. The protective layer comprises a microencapsulated diarylethene material that is capable of switching between a UV absorbing and UV transparent state. During an imaging process, the protective layer is switched from a UV absorbing state to a UV transparent state to allow UV light of a sufficient wavelength to convert a photochromic material of the display layer to a colored state to form an image. The protective material is then switched back to a UV absorbing state to prevent the UV light component from a reading source to convert unimaged areas of the display layer to change color, which would reduce the contrast and resolution of the imaged medium.
    • 可再成像的记录介质包括基板,显示层和保护层。 保护层包括能够在UV吸收和UV透明状态之间切换的微胶囊二芳基乙烯材料。 在成像过程中,保护层从UV吸收状态切换到UV透明状态,以允许足够波长的紫外光将显示层的光致变色材料转化为着色状态以形成图像。 然后将保护材料切换回UV吸收状态以防止来自读取源的UV光分量转换显示层的未成像区域以改变颜色,这将降低成像介质的对比度和分辨率。