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Stretchable form of single crystal silicon for high performance electronics on rubber substrates

United States Patent

April 21, 2009
View the Complete Patent at the US Patent & Trademark Office
The present invention provides stretchable, and optionally printable, semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Stretchable semiconductors and electronic circuits of the present invention 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 may be adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
Rogers; John A. (Champaign, IL), Khang; Dahl-Young (Urbana, IL), Sun; Yugang (Champaign, IL)
The Board of Trustees of the University of Illinois (Urbana, IL)
11/ 423,287
June 9, 2006
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made, at least in part, with United States governmental support awarded by DARPA-funded AFRL-managed Macroelectronics Program Contract FA8650-04-C-7101, and the U.S. Department of Energy under grant DEFG02-91-ER45439. The United States Government has certain rights in this invention.