Patent ID: 8318282

Claim:
A microstructured antimicrobial film comprising: a substrate having a first side, the first side including a first major surface; a plurality of microstructured wells defined in the first side of the substrate, each of the plurality of wells at least partially defined by a base, the base being spaced a distance from the first major surface of the substrate, wherein each of the plurality of wells has at least one dimension in the plane of the first major surface, and wherein the at least one dimension is less than 1000 micrometers; and an antimicrobial material positioned within at least some of the plurality of wells, such that the antimicrobial material has an upper surface that is spaced a distance from the first major surface of the substrate and is recessed in the first side of the substrate, and such that the antimicrobial material is contained within the at least some of the plurality of wells and the first major surface is free of the antimicrobial material.