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    • 5. 发明申请
    • RETROREFLECTIVE SECURITY ARTICLES
    • 回归安全文章
    • WO2009105142A3
    • 2010-03-04
    • PCT/US2008085459
    • 2008-12-04
    • 3M INNOVATIVE PROPERTIES COBUDD KENTON DHAAS CHRISTOPHER KFREY MATTHEW HKRISHNAN VIVEKYLITALO CAROLINE MLORIMOR LYNN E
    • BUDD KENTON DHAAS CHRISTOPHER KFREY MATTHEW HKRISHNAN VIVEKYLITALO CAROLINE MLORIMOR LYNN E
    • B42D15/00G02B5/128
    • G02B5/128B42D25/29C03C12/02G02B5/124
    • Security laminates and articles wherein the security laminate includes a first substrate having a first major surface and a second major surface; a plurality of retroreflective elements affixed along the first major surface of the substrate, the retroreflective elements including a solid spherical core comprising an outer core surface, the outer core surface providing a first interface; a first complete concentric optical interference layer having an inner surface overlying core surface and an outer surface, the outer surface of the first complete concentric optical interference layer providing a second interface; a second complete concentric optical interference having an inner surface overlying the outer surface of the first complete concentric optical interference layer and an outer surface, the outer surface of the second complete concentric optical interference layer providing a third interface; the security laminate is retroreflective. Security articles include the foregoing security laminate affixed to a major surface of a second substrate.
    • 安全层压板和制品,其中安全层压板包括具有第一主表面和第二主表面的第一基板; 沿着所述基板的所述第一主表面固定的多个回射元件,所述回射元件包括包括外芯表面的固体球形芯,所述外芯表面提供第一界面; 第一完整同心光学干涉层,其具有覆盖芯表面的内表面和外表面,第一完整同心光学干涉层的外表面提供第二界面; 具有覆盖在第一完整同心光学干涉层的外表面上的内表面和外表面的第二完全同心光学干涉,第二完整同心光学干涉层的外表面提供第三界面; 安全层压板是逆反射的。 安全物品包括固定在第二基底的主表面上的上述安全层压物。