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Helical Antenna and Method of Modulating the Performance of a Wireless Communications Device

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A wireless communication device includes an array of helical antennas on a substrate. Each helical antenna comprises a strain-relieved sheet with a conductive strip thereon, where the strain-relieved sheet and the conductive strip are in a rolled configuration about a longitudinal axis. The conductive strip is oriented at an angle .alpha. with respect to a rolling direction so as to comprise a helical configuration about the longitudinal axis with a non-zero helix angle .beta.. The array exhibits a maximum gain of at least about 10 dB at a working frequency of at least about 0.1 THz.
Li, Xiuling (Champaign, IL), Huang, Wen (Champaign, IL), Froeter, Paul J. (Urbana, IL)
15/ 408,893
January 18, 2017
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under contract number 1449548 awarded by the National Science Foundation (NSF) and contract number DE-FG0207ER46471 awarded by the Department of Energy (DOE). The government has certain rights in the invention.