Abstract
Laser-Induced Carbonization Laser-induced carbonization is a viable method for creating anticounterfeiting tags on flexible printed circuit boards. In article number 2211762, Sunkook Kim, Hogun Park, and co-workers illustrate that using a laser, a pattern can be configured in any desired shape, such as a fingerprint. The laser beam is used to create random size carbonized spots that are distributed according to the pattern inputted into the laser. The pattern's outer circles can be extracted and digitized for authentication purposes.
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