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Related Experiment Video

Updated: Mar 18, 2026

Planar and Three-Dimensional Printing of Conductive Inks
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3D Stretchable Arch Ribbon Array Fabricated via Grayscale Lithography.

Yu Pang1, Yi Shu1, Mohammad Shavezipur2,3

  • 1Institute of Microelectronics, Tsinghua University, 100084, Beijing, China.

Scientific Reports
|June 28, 2016
PubMed
Summary
This summary is machine-generated.

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Researchers developed a low-cost method for fabricating 3D microstructures using grayscale lithography and plasma-enhanced chemical vapor deposition (PECVD). This technique creates flexible, stretchable wavelike silicon dioxide arches for advanced electronics and bio-sensors.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Microfabrication

Background:

  • Flexible and stretchable microstructures are crucial for advanced applications like wearable devices and bio-sensors.
  • Current methods struggle with large-scale, low-cost fabrication of 3D stretchable inorganic structures.

Purpose of the Study:

  • To develop an effective method for fabricating curvilinear and flexural 3D microstructures.
  • To enable the low-cost, large-scale production of unique 3D microstructures for stretchable electronics.

Main Methods:

  • Utilized grayscale lithography to create a curved photoresist (PR) template, serving as a sacrificial layer.
  • Employed low-temperature plasma-enhanced chemical vapor deposition (PECVD) to transfer the topography to silicon dioxide.
  • Fabricated arched stripe arrays using plasma etching.

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Related Experiment Videos

Last Updated: Mar 18, 2026

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Main Results:

  • Successfully created wavelike silicon dioxide arch microstructures.
  • The microstructures exhibit a Young's modulus of 52 GPa and a fracture strength of 300 MPa.
  • A stress distribution model accurately predicted experimental results.

Conclusions:

  • The developed approach offers a promising route for producing diverse stretchable sensors, actuators, and circuits.
  • This method facilitates the creation of robust 3D integrated systems with unique properties.
  • The fabrication technique addresses the challenge of low-cost, large-scale 3D microstructure production.