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A compact microstrip patch antenna having a 2-dimensional grounded-pad array embedded in an LTCC substrate

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1 Author(s)
Horii, Y. ; Fac. of Informatics, Kansai Univ., Osaka, Japan

This paper proposes a new approach to reduce the size of the patch antenna by embedding a 2D grounded-pad array in an antenna substrate. Periodically installed grounded-pads are expected to exhibit slow-wave effects. First of all, a microstrip delay line having a 1D grounded-pad array in its substrate is demonstrated theoretically by the conventional FDTD method, and the slow-wave effect is discussed in section 2. Next, a 2D grounded-pad array is applied to a microstrip patch antenna to reduce the size of the antenna, and experimental results are shown in section 3 together with the theoretical ones. In the experiment using a prototype model, an LTCC substrate, which is suitable for multi-layer structures, was adopted.

Published in:

Antennas and Propagation Society International Symposium, 2003. IEEE  (Volume:3 )

Date of Conference:

22-27 June 2003

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