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Hybrid Printing for the Fabrication of Smart Sensors

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Pattern Switchable Antenna System Using Inkjet-Printed Directional Bow-Tie for Bi-Direction Sensing Applications.

Seung-Hyun Eom¹, Yunsik Seo², Sungjoon Lim³

¹Electrical and Electronics Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Korea. umsh0303@gmail.com.

Sensors (Basel, Switzerland)

|December 23, 2015

Summary

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This study introduces a novel paper-based antenna system for bi-directional sensors. Inkjet printing enables pattern switching, enhancing directional sensing capabilities.

Area of Science:

Electrical Engineering
Antenna Theory
Microwave Engineering

Background:

Traditional antennas often lack reconfigurability for diverse sensing needs.
Inkjet printing offers a low-cost, flexible method for fabricating electronic components.

Purpose of the Study:

To develop a pattern-switchable antenna system using inkjet-printing technology.
To enable bi-directional sensing applications with a reconfigurable antenna.

Main Methods:

Fabrication of a paper-based antenna system using inkjet printing.
Integration of two directional bow-tie antennas with a switching network.
Utilizing a single-pole-double-throw (SPDT) switch and a double-sided parallel-strip line (DSPSL) for mode conversion and switching.

Keywords:

bow-tie antenna inkjet-printing technology paper-based antenna pattern switchable antenna reconfigurable antenna

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Main Results:

Electromagnetic (EM) simulations and measurements confirmed successful radiation pattern switching.
The antenna system demonstrated bi-directional sensing capabilities through pattern reconfiguration.
The DSPSL effectively converted between unbalanced microstrip and balanced strip modes.

Conclusions:

The proposed paper-based switchable antenna system is a viable solution for bi-directional sensor applications.
Inkjet printing technology facilitates the creation of cost-effective and reconfigurable antenna systems.
The demonstrated pattern switching capability enhances the versatility of the antenna for various sensing tasks.