Rapid thermal replication of glass and polymer nanostructures by laser irradiation

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A laser-assisted replication method for rapidly replicating nanostructures on glass or polymer surface was developed. A laser was irradiated on a mold surface and the surface is directly heated, and after replication, the surfaces of mold and substrate are cooled by inside of them. In this study, laser-assisted spot/scan replication was quantitatively demonstrated. Furthermore, a roller replication system involving Ni electroplated mold and glass roller was actually set up and continuous replication of nanostructured PMMA was demonstrated. And, by preliminary heating under glass transition temperature of polymer, it was demonstrated that the replication speed could be increased.