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Self-similar and fractal design for stretchable electronics

United States Patent

April 4, 2017
View the Complete Patent at the US Patent & Trademark Office
The present invention provides electronic circuits, devices and device components including one or more stretchable components, such as stretchable electrical interconnects, electrodes and/or semiconductor components. Stretchability of some of the present systems is achieved via a materials level integration of stretchable metallic or semiconducting structures with soft, elastomeric materials in a configuration allowing for elastic deformations to occur in a repeatable and well-defined way. The stretchable device geometries and hard-soft materials integration approaches of the invention provide a combination of advance electronic function and compliant mechanics supporting a broad range of device applications including sensing, actuation, power storage and communications.
Rogers; John A. (Champaign, IL), Fan; Jonathan (Columbus, OH), Yeo; Woon-Hong (Richmond, VA), Su; Yewang (Evanston, IL), Huang; Yonggang (Glencoe, IL), Zhang; Yihui (Evanston, IL)
The Board of Trustees of the University of Illinois (Urbana, IL), Northwestern University (Evanston, IL)
14/ 766,333
February 5, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under contract number DE-F002-07ER46471 awarded by the US Department of Energy. The government has certain rights in the invention.