TAGGANTS AND METHODS AND SYSTEMS FOR FABRICATING

摘要

A micro or nanoparticle (206) can include or can be a taggant. The particle (206) has a shape corresponding to a mold and includes unique characteristics. The unique characteristics can be the shape of the particle, molecular content of the particle, or physical characteristics incorporated into or onto the particle. In use, the taggant can be incorporated into an article of manufacture and includes characteristics configured to identify the origin, authenticity, expiration, owner or the like of the article.