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Stretchable and Foldable Electronic Devices

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Disclosed herein are stretchable, foldable and optionally printable, processes for making devices and devices such as semiconductors, electronic circuits and components thereof that are capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Strain isolation layers provide good strain isolation to functional device layers. Multilayer devices are constructed to position a neutral mechanical surface coincident or proximate to a functional layer having a material that is susceptible to strain-induced failure. Neutral mechanical surfaces are positioned by one or more layers having a property that is spatially inhomogeneous, such as by patterning any of the layers of the multilayer device.
ROGERS, John A. (Champaign, IL), HUANG, Yonggang (Glencoe, IL), KO, Heung Cho (Urbana, IL), STOYKOVICH, Mark (Dover, NH), CHOI, Won Mook (Champaign, IL), SONG, Jizhou (Evanston, IL), AHN, Jong Hyun (Gyeonggi-do, KR), KIM, Dae Hyeong (Champaign, IL)
14/ 706,733
May 7, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made at least in part with U.S. government support under DMI-0328162 and ECCS-0824129 awarded by the National Science Foundation and under DEFG02-91ER45439, DEFG02-07ER46471 and DEFG02-07ER46453 awarded by the Department of Energy. The U.S. government has certain rights in the invention.