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Mechanically Guided Post-Assembly of 3D Electronic Systems
- Mechanically Guided Post-Assembly of 3D Electronic Systems
- Kim, Bong Hoon; Liu, Fei; Yu, Yongjoon; Jang, Hokyung; Xie, Zhaoqian; Li, Kan; Lee, Jungyup; Jeong, Ji Yoon; Ryu, Arin; Lee, Yechan; Kim, Do Hoon; Wang, Xueju; Lee, Kun Hyuck; Lee, Jong Yoon; Won, Sang Min; Oh, Nuri; Kim, Jeonghyun; Kim, Ju Young; Jeong, Seong-Jun; Jang, Kyung-In; Lee, Seungmin; Huang, Yonggang; Zhang, Yihui; Rogers, John A.
- DGIST Authors
- Jang, Kyung-In
- Issue Date
- Advanced Functional Materials, 28(48), 1-10
- Article Type
- 3D electronic devices; mechanical buckling; near-field communication; Antennas; Flexible electronics; Near field communication; Printed circuit boards; Electromagnetic properties; Electronic device; Flexible printed circuit boards; Geometry transformations; kirigami; Multifunctional systems; Opto-electronic sensors; origami; Substrates
- This paper describes deterministic assembly processes for transforming conventional, planar devices based on flexible printed circuit board (FPCB) platforms into those with 3D architectures in a manner that is fully compatible with off-the-shelf packaged or unpackaged component parts. The strategy involves mechanically guided geometry transformation by out-of-plane buckling motions that follow from controlled forces imposed at precise locations across the FPCB substrate by a prestretched elastomer platform. The geometries and positions of cuts, slits, and openings defined into the FPCB provide additional design parameters to control the final 3D layouts. The mechanical tunability of the resulting 3D FPCB platforms, afforded by elastic deformations of the substrate, allows these electronic systems to operate in an adaptable manner, as demonstrated in simple examples of an optoelectronic sensor that offers adjustable detecting angle/area and a near-field communication antenna that can be tuned to accommodate changes in the electromagnetic properties of its surroundings. These approaches to 3D FPCB technologies create immediate opportunities for designs in multifunctional systems that leverage state-of-the-art components. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
- Wiley-VCH Verlag
- Related Researcher
Bio-integrated Electronics Lab
Extreme mechanics; Stand-alone electronics; Heterogeneous materials; Biocompatible interfaces
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- Department of Robotics EngineeringBio-integrated Electronics Lab1. Journal Articles
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