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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
Published on: February 4, 2013
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Programming reversibly self-folding origami with micropatterned photo-crosslinkable polymer trilayers
Jun-Hee Na1, Arthur A Evans, Jinhye Bae
1Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, 01003, Massachusetts, USA.
Advanced Materials (Deerfield Beach, Fla.)
|November 4, 2014
Summary
Researchers created self-folding microscale origami in polymer films. This advance in microfabrication offers precise control over folding patterns and angles for advanced applications.
Area of Science:
- Materials Science
- Polymer Science
- Microtechnology
Background:
- Microscale origami offers potential for advanced applications but precise fabrication remains challenging.
- Controlling fold patterns and angles at the microscale is crucial for functional devices.
Purpose of the Study:
- To demonstrate self-folding microscale origami patterns in polymer films.
- To achieve precise control over mountain/valley assignments and fold angles.
- To advance the fabrication of self-folding origami structures.
Main Methods:
- Utilized trilayers composed of photo-crosslinkable copolymers.
- Incorporated a temperature-sensitive hydrogel as the middle layer.
- Investigated the self-folding behavior induced by external stimuli.
Main Results:
- Successfully demonstrated self-folding microscale origami patterns.
- Achieved controlled mountain/valley assignments and fold angles.
- Characterized fold size scale (W = 30 μm) and figure of merit (A/W^2 ≈ 5000).
Conclusions:
- The developed trilayer system enables precise fabrication of self-folding microstructures.
- These findings represent significant advancements in the field of microorigami fabrication.
- The controlled folding capabilities open new avenues for microdevice design and manufacturing.
