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Microholograms are holographic microparticles (OVDot) patented by OPTAGLIO. Unique identification marks can be placed on micrometer sized particles of any shape. After mixing the particles with a transparent coating, the OVDots can than be applied using conventional techniques like spraying or painting. It is possible to secure works of art, valuables, cars, car parts, bicycles etc. Microholograms can also be used on transparent stickers, or mixed with printing ink, plastics and silicon.

Microhologram - magnified 200 times, span of the butterflies wings - 0,1 mm