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Sensors 2017, 17(9), 1968; https://doi.org/10.3390/s17091968

Transformation from a Single Antenna to a Series Array Using Push/Pull Origami

School of Electrical and Electronics Engineering, College of Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 156-756, Korea
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Received: 11 July 2017 / Revised: 18 August 2017 / Accepted: 24 August 2017 / Published: 26 August 2017
(This article belongs to the Special Issue Materials and Applications for Sensors and Transducers)
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Abstract

We propose a push/pull origami antenna, transformable between a single antenna element and a three-element array. In limited space, the proposed origami antenna can work as a single antenna. When the space is not limited and a higher gain is required, the proposed origami antenna can be transformed to a series antenna array by pulling the frame. In order to push the antenna array back to a single antenna, the frame for each antenna element size must be different. The frame and supporting dielectric materials are built using a three-dimensional (3D) printer. The conductive patterns are inkjet-printed on paper. Thus, the proposed origami antenna is built using hybrid printing technology. The 10-dB impedance bandwidth is 2.5–2.65 GHz and 2.48–2.62 GHz for the single-antenna and array mode, respectively, and the peak gains in the single-antenna and array mode are 5.8 dBi and 7.6 dBi, respectively. The proposed antenna can be used for wireless remote-sensing applications. View Full-Text
Keywords: push/pull origami; three-dimensional (3D) printing technology; inkjet printing technology; hybrid printing technology push/pull origami; three-dimensional (3D) printing technology; inkjet printing technology; hybrid printing technology
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Shah, S.I.H.; Lim, S. Transformation from a Single Antenna to a Series Array Using Push/Pull Origami. Sensors 2017, 17, 1968.

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