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Rolled-up transmission line structure for a radiofrequency integrated circuit (RFIC)

United States Patent

9,018,050
April 28, 2015
View the Complete Patent at the US Patent & Trademark Office
A rolled-up transmission line structure for a radiofrequency integrated circuit (RFIC) comprises a multilayer sheet in a rolled configuration comprising multiple turns about a longitudinal axis, where the multilayer sheet comprises a conductive pattern layer on a strain-relieved layer. The conductive pattern layer comprises a first conductive film and a second conductive film separated from the first conductive film in a rolling direction. In the rolled configuration, the first conductive film surrounds the longitudinal axis, and the second conductive film surrounds the first conductive film. The first conductive film serves as a signal line and the second conductive film serves as a conductive shield for the rolled-up transmission line structure.
Li; Xiuling (Champaign, IL), Huang; Wen (Champaign, IL)
The Board of Trustees of the University of Illinois (Urbana, IL)
14/ 051,192
20140246764
October 10, 2013
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under award numbers ECCS 0747178 and 1309375 from the National Science Foundation, DE-FG02-07ER46471 from the Department of Energy, and N000141110634 from the Office of Naval Research. The government has certain rights in the invention.