Kodak’s [Nearly] Invisible Ink

Kodak introduces Virtually Invisible Ink for the NEXPRESS

Eastman Kodak Co. is introducing a new virtually invisible clear ink named the KODAK NEXPRESS Red Fluorescing Dry Ink. It is clear to the naked eye but illuminate it with an appropriate ultraviolet (UV) light source, and it becomes red fluorescing. The ink can be used to print unobtrusive images and non-reproducible bar codes which then can be read with specialized bar code readers. Possible uses include printing security marks on certified documents, such as medical prescription pads, drivers’ licenses and event tickets.

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