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Related Experiment Video

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Shape-Morphing Antenna Array by 4D-Printed Multimaterial Miura Origami.

Seyeon Park1, Eiyong Park2, Minjae Lee2

  • 1Department of Intelligent Semiconductor Engineering, Chung-Ang University, Heukseok-Dong, Dongjak-Gu, Seoul 06974, Republic of Korea.

ACS Applied Materials & Interfaces
|October 16, 2023
PubMed
Summary

This study introduces a novel 4D-printed multimaterial Miura origami structure for reconfigurable radiofrequency (RF) electronics. The design utilizes shape memory polymer hinges for shape morphing, enabling beam steering in RF antennas.

Keywords:
4D printingMiura origamiantenna arraymultimaterialorigami antennascreen-printingself-deformationshape memory polymer

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Robotics

Background:

  • Four-dimensional (4D) printing enables dynamic shape changes in materials.
  • Origami-inspired structures offer reconfigurable geometries for radiofrequency (RF) applications.
  • Existing paper-based origami RF electronics lack rigidity and stability.

Purpose of the Study:

  • To propose a 4D-printed multimaterial Miura origami structure for RF spectrum applications.
  • To enhance the robustness and reconfigurability of origami-inspired RF electronics.
  • To demonstrate a shape-morphing pattern reconfigurable antenna array using the proposed structure.

Main Methods:

  • Fabrication of a multimaterial Miura origami structure using 4D printing.
  • Integration of high-temperature durable cores for rigidity and shape memory polymer (SMP) hinges for thermal actuation.
  • Design and simulation of a 2.4 GHz reconfigurable antenna array.
  • Experimental validation of shape morphing and beam steering capabilities.

Main Results:

  • The proposed 4D-printed structure exhibits thermal actuation via SMP hinges and maintains rigidity through durable cores.
  • A reconfigurable antenna array demonstrated a maximum beam direction change from 0° to 50° through thermal morphing.
  • The antenna successfully recovered its original shape after actuation.

Conclusions:

  • The 4D-printed multimaterial Miura origami structure is a viable platform for robust and reconfigurable RF electronics.
  • This technology enables dynamic beam steering in antennas, opening possibilities for advanced RF systems.
  • The combination of durable cores and SMP hinges provides a stable yet morphable solution for complex RF designs.