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60-GHz CPW-fed post-supported patch antenna using micromachining technology

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5 Author(s)
Jeong-Geun Kim ; Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Hyung Suk Lee ; Ho-Seon Lee ; Jun-Bo Yoon
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A 60-GHz coplanar waveguide (CPW)-fed post-supported patch antenna is presented using micromachining technology. In the proposed structure, the radiating patch and the feed line network can be optimized separately with a substrate. The antenna performance is improved by elevating the patch in the air. A patch array antenna is also designed with a simple feed network. The fabricated antenna shows broad band characteristics such as -10 dB bandwidth of 4.3GHz from 58.7GHz to 64.5GHz in the single patch antenna and 8.7GHz from 56.3GHz to 65GHz in 2×1 patch array antenna.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:15 ,  Issue: 10 )