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Valentin Monovsky, DEMAX PLC Bulgaria

“LIDOGRAM – The New Optical Technology for High Security DOVE”. Valentin Monovsky, DEMAX PLC Bulgaria. 1. High-contrast multiple flip effect images (multi-channel images). 2. High-contrast multiple flip effect images (multi-channel images). 3.

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Valentin Monovsky, DEMAX PLC Bulgaria

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  1. “LIDOGRAM – The New Optical Technology for High Security DOVE” Valentin Monovsky, DEMAX PLC Bulgaria

  2. 1 High-contrast multiple flip effect images(multi-channel images)

  3. 2 High-contrast multiple flip effect images (multi-channel images)

  4. 3 High-contrast color lines with smooth outlines, of 3 μm minimum thickness • This technology allows the whole drawing of the element to be done in vector format 1

  5. 4 High-contrast color nano-text, with characters from 50 to 10 μm tall

  6. 5 Black nano-text with size of characters from 10 to 3 μm

  7. 6 Encrypted images, placed on customized-size areas

  8. 7

  9. 8

  10. 9

  11. 10

  12. 11 Generated white-color, viewable at random angle with a naked eye

  13. 12 Visual effects for naked eye recognition • two channel flip-effect image

  14. 13 dynamically changing volume of the object

  15. 14 3D object

  16. 15 3D background

  17. 16 Images that could be seen only by viewing in 90 degrees against the normal viewing angle

  18. 17 Synthesized white holographic flat objects

  19. 18 Holographic raster image with grey scale graduation Colour object-------------------RGB holographic object

  20. 19 Security elements for qualified personnel recognition • Micro text that is seen with 10 x magnifier

  21. 20 Micro drawings that is seen with 10x magnifier

  22. 21 Micro drawings that is seen with 10x magnifier

  23. 22 Security elements for expert recognition Size variable nano and micro texts with character size from 300mkm to 10 mkm

  24. 23 Nano drawing – logo, inscribed in a square with size 300x300mkm and line thickness of 5 mkm

  25. 24 Guiloschecomposition with variable thickness - from5mkm to 1000 mkm and linear size in direction not lessthan 50% from the label diagonal

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