首页> 外国专利> OPTICAL SECURITY COMPONENT VISIBLE IN REFLECTION, MANUFACTURE OF SUCH A COMPONENT, AND SECURE DOCUMENT PROVIDED WITH SUCH A COMPONENT

OPTICAL SECURITY COMPONENT VISIBLE IN REFLECTION, MANUFACTURE OF SUCH A COMPONENT, AND SECURE DOCUMENT PROVIDED WITH SUCH A COMPONENT

机译:光学安全组件可通过反射,此类组件的制造以及此类组件提供的安全文档来查看

摘要

The present description concerns an optical security component (101) intended to be observed in reflection, by the naked eye, along at least one first observation face (100), comprising: a first layer (113) made from dielectric material, that is at least partially transparent in the visible range, having a first refractive index (n1), said first layer comprising at least one first region (R1) that is microstructured in a uniform manner in order to form a first microstructure (S1); at least one first metal reflective layer (114), deposited on said at least one first microstructured region and forming one or more opaque reflective elements (Oi), each opaque reflective element forming a line with a width strictly smaller than 1 mm; at least one first transparent reflective layer (115), made from dielectric material, having a second refractive index (n2), deposited on said at least one first microstructured region and forming one or more transparent reflective elements (Ti), a minimum dimension of each transparent reflective element being greater than 2 mm; a closing layer (116), made from dielectric material, that is at least partially transparent in the visible range, having a third refractive index (n3) close to the first refractive index (n1), covering said first layer (113) and said at least one first metal reflective layer (114) and at least one first transparent reflective layer (115), such that said closing layer is in direct contact with said first layer in the areas of said first layer free of opaque or transparent reflective elements.
机译:本说明书涉及一种旨在通过肉眼沿着至少一个第一观察面(100)反射观察到的光学安全组件(101),该光学安全组件包括:由介电材料制成的第一层(113),其位于在可见光范围内至少部分透明,具有第一折射率(n1),所述第一层包括至少一个第一区域(R1),其以均匀的方式微结构化以形成第一微结构(S1);至少一个第一金属反射层(114),沉积在所述至少一个第一微结构化区域上并形成一个或多个不透明反射元件(Oi),每个不透明反射元件形成线,其宽度严格小于1mm;由介电材料制成的具有第二折射率(n2)的至少一个第一透明反射层(115),沉积在所述至少一个第一微结构区域上并形成一个或多个透明反射元件(Ti),最小尺寸为每个透明反射元件大于2mm;由介电材料制成的封闭层(116),其在可见光范围内至少部分透明,具有接近第一折射率(n1)的第三折射率(n3),覆盖所述第一层(113)和至少一个第一金属反射层(114)和至少一个第一透明反射层(115),使得所述封闭层在所述第一层的没有不透明或透明反射元件的区域中与所述第一层直接接触。

著录项

  • 公开/公告号EP3727872A1

    专利类型

  • 公开/公告日2020-10-28

    原文格式PDF

  • 申请/专利权人 SURYS;

    申请/专利号EP20180830789

  • 发明设计人 PETITON VALÉRY;

    申请日2018-12-18

  • 分类号B42D25/351;B42D25/328;B42D25/373;B42D25/355;G03H1;

  • 国家 EP

  • 入库时间 2022-08-21 11:40:53

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