A broadband U-shaped patch antenna on PTFE/Cu substrate for 60 GHz wireless communications
Microwave and Optical Technology Letters, Volume 60, No. 1, Year 2018
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A U-shaped antenna is printed on polytetrafluoroethylene film, deposited on a copper base having air cavity inside, using thin film micro-strip technology. This antenna is as compact as the rectangular patch and covers the 51.5–62 GHz band. Unlike the silicon substrate, its metallic support yields better radiation patterns.