PHYSICALLY UNCLONABLE FUNCTIONS VIA ADDITIVE MANUFACTURING

摘要

The present invention relates to a device and method for providing an anti-counterfeiting device. The device has anti-counterfeit indicia having three-dimensional characteristics. The device includes a substrate having a plurality of layers. Each of the layers being a combination of detectable and matrix materials that form non-repeating disorder patterns as a result of being randomly distributed in the x, y and z planes.