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21 April 2009 Laser engraving of paper and polymeric materials for tactile detection
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Proceedings Volume 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 71311T (2009) https://doi.org/10.1117/12.816913
Event: XVII International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2008, Lisboa, Portugal
Abstract
This study is focused on laser structuring processes for producing secure tactile features on paper-based security documents. The feasibility of using the developed technique allows users and/or machines to discriminate among genuine and counterfeited security documents and/or facilitate the tactile detection by visually impaired people.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jose A. Ramos-de-Campos, Javier Gamo, Carlos Soriano, Paloma Varela, and Emilio Pérez "Laser engraving of paper and polymeric materials for tactile detection", Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 71311T (21 April 2009); https://doi.org/10.1117/12.816913
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