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Mechanically Guided Post-Assembly of 3D Electronic Systems

Title
Mechanically Guided Post-Assembly of 3D Electronic Systems
Author(s)
Kim, Bong HoonLiu, FeiYu, YongjoonJang, HokyungXie, ZhaoqianLi, KanLee, JungyupJeong, Ji YoonRyu, ArinLee, YechanKim, Do HoonWang, XuejuLee, Kun HyuckLee, Jong YoonWon, Sang MinOh, NuriKim, JeonghyunKim, Ju YoungJeong, Seong-JunJang, Kyung-InLee, SeungminHuang, YonggangZhang, YihuiRogers, John A.
Issued Date
2018-11
Citation
Advanced Functional Materials, v.28, no.48, pp.1 - 10
Type
Article
Author Keywords
3D electronic deviceskirigamimechanical bucklingnear-field communicationorigami
Keywords
LITHOGRAPHYMESOSTRUCTURESSCAFFOLDSDEVICES
ISSN
1616-301X
Abstract
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
URI
http://hdl.handle.net/20.500.11750/9324
DOI
10.1002/adfm.201803149
Publisher
Wiley-VCH Verlag
Related Researcher
  • 김봉훈 Kim, Bong Hoon
  • Research Interests IoT Devices; Medical Devices; 3D Materials; Nanomaterials; Self-assembly
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Appears in Collections:
Department of Robotics and Mechatronics Engineering Bonghoon Group 1. Journal Articles
Department of Robotics and Mechatronics Engineering Bio-integrated Electronics Lab 1. Journal Articles

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