首页>
外文会议>Web Coating Handing Conference
>Counterfeit Resilience of Optical Banknote Security Features based on Micromirrors with Color-Shifting PVD Coatings - Multiplying Security and Complexity - (PPT)
【24h】
Counterfeit Resilience of Optical Banknote Security Features based on Micromirrors with Color-Shifting PVD Coatings - Multiplying Security and Complexity - (PPT)
Winding and rewinding. Wrinkels and folds. Electrostatics (in vacuum...). Pinholes. Color is shifting... away. Layer thickness tolerance for color appearance: a few nanometers. Quality inspection < 1,0 mm~2. Register.
展开▼