Valentin Monovsky, Valentin Monovsky,

DEMAX PLC BulgariaDEMAX PLC Bulgaria

““LIDOGRAM – The New LIDOGRAM – The New Optical Technology Optical Technology

for High Security DOVE”for High Security DOVE”

High-contrast multiple flip effect images (multi-channel images)

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High-contrast multiple flip effect images (multi-channel images)

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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

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

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Black nano-text with size of characters

from 10 to 3 μm

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Encrypted images, placed on

customized-size areas

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Generated white-color, viewable at random angle

with a naked eye

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Visual effects for naked eye recognition

two channel

flip-effect image

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dynamically changing volume of the object 13

3D object 14

3D background 15

Images that could be seen only by viewing in 90 degrees

against the normal viewing angle

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Synthesized white holographic flat objects 17

Holographic raster image with grey scale graduation

Colour object -------------------

RGB holographic

object

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Security elements for qualified

personnel recognition

Micro text that is seen with 10 x magnifier

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Micro drawings that is seen with 10x magnifier 20

Micro drawings that is seen with 10x magnifier21

Size variable nano and micro texts with character size

from 300mkm to 10 mkm

Security elements for

expert recognition

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Nano drawing – logo, inscribed in a square with size

300x300mkm and line thickness of 5 mkm

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Guilosche composition with variable thickness - from 5mkm to 1000 mkm and linear size in direction not less

than 50% from the label diagonal

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