Carnegie Mellon University

Jacob Brenneman

Gary Keith Fedder

Rahul Panat

Derya Z Tansel

Disclosed herein are devices comprising stretchable 3D circuits and methods for fabricating the circuits. The fabrication process includes providing in the elastomeric polymer as a substrate and providing conductive interconnects within the substrate encased in an insulating polymer, such as polyimide, to provide a stiffness gradient between the conductive interconnects and the flexible elastomeric substrate. The circuit may be fabricated as a multilayer construction using three-dimensional pillars as vias and as external interconnects to the circuit.

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Pittsburgh, PA, United States of America

Jacob Brenneman