ScienceNews

These labels are invisible but prevent counterfeiting

These labels are invisible but prevent counterfeiting

Holographic stickers and labels that are “smart to copy” are very common these days, but they are all visible.
Therefore, any counterfeiter can harm the real company by deceiving the customers by copying them.
To create the “invisible” label, experts used a very thin film containing silicon, which is very transparent.
At the next stage, tiny holes were drilled in the film, some of which were filled with particles of a rare element called erbium in a certain order, while the rest were left empty.
This created an invisible label.

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