23 March 2011 Engineered biomimicry: polymeric replication of surface features found on insects
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Abstract
By combining the modified conformal-evaporated-film-by-rotation (M-CEFR) technique with nickel electroforming, we have produced master negatives of nonplanar biotemplates. An approximately 250-nm-thick conformal coating of nanocrystaline nickel is deposited on a surface structure of interest found in class Insecta, and the coating is then reinforced with a roughly 60-μm-thick structural layer of nickel by electroforming. This structural layer endows the M-CEFR coating with the mechanical robustness necessary for casting or stamping multiple polymer replicas of the biotemplate. We have made master negatives of blowfly corneas, beetle elytrons, and butterfly wings.
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Drew P. Pulsifer, Akhlesh Lakhtakia, Raúl J. Martín-Palma, Carlo G. Pantano, "Engineered biomimicry: polymeric replication of surface features found on insects", Proc. SPIE 7975, Bioinspiration, Biomimetics, and Bioreplication, 79750O (23 March 2011); doi: 10.1117/12.876479; https://doi.org/10.1117/12.876479
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