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Tailored 3D Mechanical Metamaterials Made by Dip-in Direct-Laser-Writing Optical Lithography

Tailored 3D Mechanical Metamaterials Made by Dip-in Direct-Laser-Writing Optical Lithography
Author: T. Bückmann, N. Stenger, M. Kadic, J. Kaschke, A. Frölich, T. Kennerknecht, C. Eberl, M. Thiel, and M. Wegener
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Source:

Adv. Mater. 24, 2710 (2012)

Date: 22.05.2012

Abstract:

Dip-in direct-laser-writing (DLW) optical lithography allows fabricating complex three-dimensional microstructures without the height restrictions of regular DLW. Bow-tie elements assembled into mechanical metamaterials with positive/zero/negative Poisson's ratio and with sufficient overall size for direct mechanical characterization aim at demonstrating the new possibilities with respect to rationally designed effective materials.