Lenticular Array of US 100 Dollar Bill, SEM

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Scanning electron microscope image of the lenticular array in the U.S. 100 dollar bill. The lenticular array, or micro-lens, shows a different color when the viewing angle of the bill is changed. This is just one of the security (anti-counterfeit) features of the United States 100 dollar bill, others include: micro-print, watermarks, lenticular images, special inks, fluorescent fibers and strips, colored fibers, and the use of full colored inks.
Scanning electron microscope image of the lenticular array in the U.S. 100 dollar bill. The lenticular array, or micro-lens, shows a different color when the viewing angle of the bill is changed. This is just one of the security (anti-counterfeit) features of the United States 100 dollar bill, others include: micro-print, watermarks, lenticular images, special inks, fluorescent fibers and strips, colored fibers, and the use of full colored inks.
Filename: K14SEM140611new100bill_0107.jpg
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