优化全息标签的安全应用

R. Tomescu, C. Parvulescu, D. Cristea, B. Bita, Brandus Comanescu, M. Pelteacu
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引用次数: 1

摘要

本文提出了一种由衍射光学元件(DOE)和安全元件组成的微结构的制备方法。全息光刻与激光光刻相结合,获得高度安全的全息标签,以保护产品。密钥是一种难以追踪且难以复制的几何形状,可以嵌入标签或贴纸中,以提高安全性并减少产品假冒的可能性。在我们的工艺中,由两个授权的设计师分别设计由do组成的全息结构和密钥,并通过两次曝光和一次显影步骤重新组合。组成安全密钥的微结构的布局只有设计者知道。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimization of Holographic Labels for Security Applications
In this paper, we propose a new approach for fabrication processes of microstructures composed of diffractive optical elements (DOE) and security elements. The holographic lithography is combined with laser lithography to obtain highly secured holographic labels for products protection. The secret key is an untraceable and hardly reproducible geometry and can be embedded in the labels or stickers to increase the level of security and diminish the possibility of products counterfeiting. In our process, the holographic structure composed of DOEs, and the key are designed separately by two authorized designers and recombined using double exposure followed by a single development step. The layout of microstructures that composes the security key are known only by the designer.
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