Advanced Materials

Cover image for Vol. 28 Issue 32

18_15b/2006Inside Front Cover: Direct Printing of 3D and Curvilinear Micrometer-Sized Architectures into Solid Substrates with Sub-micrometer Resolution (Adv. Mater. 15/2006)

The inside cover shows a hexagonal array of convex microlenses etched directly into glass using a reaction-diffusion process initiated from a hydrogel stamp. The technique, reported by Grzybowski and co-workers on p. 2004, allows for direct printing of complex microarchitectures into a variety of materials with sub-micrometer resolution. The images were generated by longtime exposure of slowly rotating patterns. Cover design by Christopher J. Campbell.

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