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Loss reduction & bandwidth enhancement by air-region insertion to LTCC rectangular-waveguide slot arrays in the millimeter-wave band

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6 Author(s)
Yuanfeng She ; Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan ; Fujino, R. ; Hirokawa, J. ; Ando, M.
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This paper introduces a LTCC single-mode waveguide of εr=6.6 and tanδ=0.013 inserting air region in the half along the height to reduce the transmission loss and the effective dielectric constant. The transmission loss of the waveguide has been reduced to 1/6. The total gain is enhanced by 8dB and the 3dB bandwidth is also been increased from 1.3GHz to 2.3GHz in a 12-element slot array antenna in the 60GHz band.

Published in:

Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE

Date of Conference:

8-14 July 2012

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