Photonic quantum markers

Authentix(Dallas) offers a range of markers in both organic and inorganic forms.Its Quantum Photonic Markers, which range in size from 10 nanometers to1 micrometer, can be added to inks and coatings or placed on mostpackaging materials. They can be detected when exposed to very specificwavelengths of light.

Source: authentix.comAdded: 19 March 2006