Optical Security Ink, SEM

Optical Security Ink, SEM

C028/3823 Rights Managed

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Credit: Ted Kinsman/SCIENCE PHOTO LIBRARY

Caption: SEM image with false colour of the reflective ink on a new 100 dollar bill. This image shows the special highly reflective optical ink used on the large 100 pattern and on the liberty bell. This ink can not be duplicated with a digital printer. This image is part of a series showing the new security features of the United States 100 dollar bill. These anti-counterfeit features include micro-print, watermarks, lenticular images, special inks, fluorescent fibers and strips, coloured fibers, and the use of full coloured inks. This image is x150 magnification when printed 10 cm wide.

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Keywords: 100, american, anti-counterfeit, bill, counterfeit, currency, dollar, hundred, ink, ink pattern, inks, micro-printing, microscopy, money, new, one hundred, one-hundred, optical ink, reflective ink, scanning electron, security, sem, united states

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