CPC B23C 5/10 (2013.01) [B23C 3/10 (2013.01); G02B 5/124 (2013.01); B23C 2265/08 (2013.01)] | 20 Claims |
1. An article, comprising:
a substrate having a structured surface that extends along a reference plane, the structured surface including distinct microstructures formed therein, each of the microstructures being a recess or a protrusion;
wherein each of the microstructures has a first face, and a second face distinct from the first face, that connect to each other by a rounded edge, the rounded edge extending along an axis that is inclined at an angle α relative to the reference plane; and
wherein the microstructures comprise first microstructures and second microstructures that differ from each other to define indicia.
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