Title :
A 94 GHz aperture-coupled micromachined microstrip antenna
Author :
Gauthier, G.P. ; Katehi, L.P. ; Rebeiz, G.M.
Author_Institution :
Dept. of Electr. Eng., Michigan Univ., Ann Arbor, MI, USA
Abstract :
In this paper, we present an aperture-coupled micromachined microstrip antenna operating at 94 GHz. The design consists of two stacked silicon substrates: (1) the top substrate, which carries the microstrip antenna, is micromachined to improve the radiation performance of the antenna, and (2) the bottom substrate, which carries the microstrip feed line and the coupling slot. The measured return loss is -17 dB at 91 GHz for a 10-dB bandwidth of 11%. The radiation patterns show a measured front-to-back ratio of -10 dB at 91 GHz. The micromachined microstrip antenna is an efficient solution to the vertical integration of antenna arrays at millimeter-wave frequencies.
Keywords :
antenna feeds; antenna radiation patterns; micromachining; microstrip antennas; millimetre wave antennas; -17 dB; 94 GHz; aperture-coupled antenna; coupling slot; front-to-back ratio; micromachining; microstrip antenna; microstrip feed line; millimeter-wave frequencies; radiation patterns; radiation performance; return loss; stacked substrates; vertical integration; Antenna feeds; Antenna measurements; Antenna radiation patterns; Aperture antennas; Bandwidth; Loss measurement; Microstrip antenna arrays; Microstrip antennas; Silicon; Slot antennas;
Conference_Titel :
Microwave Symposium Digest, 1998 IEEE MTT-S International
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-4471-5
DOI :
10.1109/MWSYM.1998.705159
