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Multiscale transfer printing into recessed microwells and on curved surfaces via hierarchical perfluoropolyether
Hyunchul Park1, Hyesung Cho, Junsoo Kim
1World Class University (WCU) Program on Multiscale Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea.
Abstract:
A simple method for the formation of multiscale metal patterns is presented using hierarchical polymeric stamps with perfluoropolyether (PFPE). A dual-scale PFPE structure is made via two-step moulding process under partial photocrosslinking conditions. The hierarchical PFPE stamp enables multiscale transfer printing (MTP) of metal pattern in one step within microwells as well as on curved surfaces.
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