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Controlled buckling structures in semiconductor interconnects and nanomembranes for stretchable electronics

United States Patent

May 20, 2014
View the Complete Patent at the US Patent & Trademark Office
In an aspect, the present invention provides stretchable, and optionally printable, components such as semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed, and related methods of making or tuning such stretchable components. Stretchable semiconductors and electronic circuits preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention are adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
Rogers; John A. (Champaign, IL), Meitl; Matthew (Durham, NC), Sun; Yugang (Naperville, IL), Ko; Heung Cho (Gwangju, KR), Carlson; Andrew (Urbana, IL), Choi; Won Mook (Gyeonggi-do, KR), Stoykovich; Mark (Dover, NH), Jiang; Hanqing (Chandler, AZ), Huang; Yonggang (Glencoe, IL), Nuzzo; Ralph G. (Champaign, IL), Zhu; Zhengtao (Rapid City, SD), Menard; Etienne (Durham, NC), Khang; Dahl-Young (Seoul, KR)
The Board of Trustees of the University of Illinois (Urbana, IL)
13/ 441,598
April 6, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under DEFG02-91-ER45439 awarded by U.S. Department of Energy. The government has certain rights in the invention.