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Updated: Apr 24, 2026

Micro/Nano-scale Strain Distribution Measurement from Sampling Moiré Fringes
Published on: May 23, 2017
Elasticity of fractal inspired interconnects
Yewang Su1, Shuodao Wang, YongAn Huang
1Department of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois, 60208, USA; Department of Mechanical Engineering Center for Engineering and Health, Skin Disease Research Center Northwestern University, Evanston, Illinois, 60208, USA; Center for Mechanics and Materials, Tsinghua University, Beijing, 100084, China.
Abstract:
The use of fractal-inspired geometric designs in electrical interconnects represents an important approach to simultaneously achieve large stretchability and high aerial coverage of active devices for stretchable electronics. The elastic stiffness of fractal interconnects is determined analytically in this paper. Specifically, the elastic energy and the tensile stiffness for an order n fractal interconnect of arbitrary shape are obtained, and are verified by the finite element analysis and experiments.
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