Patch Antenna Based on Quartz and Pyrex Materials Operating at 60 GHz
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June 30, 2019
July 30, 2018
Abstract
In this paper we present the design and characterization of a broadband patch antenna capable of covering the entire IEEE 802.11ad wireless gigabit (WiGig) frequency band (57-66 GHz). The coplanar waveguide (CPW)-fed loop slot couples the energy to the patch antenna, resulting in a broad bandwidth. The patch metallization is deposited on top of pyrex substrate. The main role of the pyrex material is to provide a mechanical support for the patch metallization, with the air cavities underneath, thus resulting in an antenna substrate with a very low loss. That leads to improved antenna performances. The simulated and measured impedance characteristics agree well, showing ~15% bandwidth. Also, the simulated radiation pattern results demonstrate the integrity of radiation pattern with good gain values (average ~8.5 dB) over the entire WiGig band.
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