Customizable, conformal, and stretchable 3D electronics via predistorted pattern generation and thermoforming

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Recently, three-dimensional electronics (3DE) is attracting huge interest owing to the increasing demands for seamless integration of electronic systems on 3D curvilinear surfaces. However, it is still challenging to fabricate 3DE with high customizability, conformability, and stretchability. Here, we present a fabrication method of 3DE based on predistorted pattern generation and thermoforming. Through this method, custom-designed 3DE is fabricated through the thermoforming process. The fabricated 3DE has high 3D conformability because the thermoforming process enables the complete replication of both the overall shape and the surface texture of the 3D mold. Furthermore, the usage of thermoplastic elastomer and a liquid metal-based conductive electrode allows for high thermoformability during the device fabrication as well as high stretchability during the device operation. We believe that this technology can enable a wide range of new functionalities and multiscale 3D morphologies in wearable electronics.
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Issue Date
2021-10
Language
English
Article Type
Article
Citation

SCIENCE ADVANCES, v.7, no.42

ISSN
2375-2548
DOI
10.1126/sciadv.abj0694
URI
http://hdl.handle.net/10203/288594
Appears in Collection
ME-Journal Papers(저널논문)
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