An Effect of Via-Holes Barriers on Circularly Polarized Patch Antennas for Getting Currents' Phase-Lags

A simple way to get 90 degrees currents' phase-lags on patch antennas is presented in this paper. Structures to get 90 degrees currents' phase-lags are necessary for constituting circularly polarized (CP) antennas. In this study, via-holes barriers are made for making the currents' ph...

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Bibliographic Details
Published inDigest - IEEE Antennas and Propagation Society. International Symposium (1995) pp. 341 - 342
Main Author Matsunaga, Mayumi
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2018
Subjects
Antenna feeds
Antenna radiation patterns
circularly polarized antennas
Current distribution
currents phase-lags
Dielectric substrates
Dipole antennas
Patch antennas
via-holes barriers
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Summary:A simple way to get 90 degrees currents' phase-lags on patch antennas is presented in this paper. Structures to get 90 degrees currents' phase-lags are necessary for constituting circularly polarized (CP) antennas. In this study, via-holes barriers are made for making the currents' phase-lag on patch antennas. The effect of the via-holes barriers on a square path antenna is explained first. Then, the via-holes barriers have been applied to constitute a CP patch antenna. The CP antenna is constituted to the size of 0.17µ×0.15µ (µ is the free space wave length) due to the via-holes barriers.
ISSN:1947-1491
DOI:10.1109/APUSNCURSINRSM.2018.8609370