Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring

Abstract The fabrication of flexible and stretchable electronics is a critical requirement for the successful application of wearable healthcare devices. Although such flexible electronics have been commonly fabricated by microelectromechanical system (MEMS) technologies, they require a specialised...

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Autores principales: Chae Hyun Kim, Dong Hyeon Lee, Jiman Youn, Hongje Lee, Joonsoo Jeong
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Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/0167a9aeb5f3490697a664b3a8507105
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spelling oai:doaj.org-article:0167a9aeb5f3490697a664b3a85071052021-12-02T17:57:16ZSimple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring10.1038/s41598-021-94397-w2045-2322https://doaj.org/article/0167a9aeb5f3490697a664b3a85071052021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94397-whttps://doaj.org/toc/2045-2322Abstract The fabrication of flexible and stretchable electronics is a critical requirement for the successful application of wearable healthcare devices. Although such flexible electronics have been commonly fabricated by microelectromechanical system (MEMS) technologies, they require a specialised equipment for vacuum deposition, photolithography, and wet and dry etching. A photolithography-free simple patterning method using a desktop plotter cutter has been proposed; however, the metal formation and electrode opening still rely on the MEMS technology. To address this issue, we demonstrate a simple, rapid, cost-effective, and a complete microfabrication process for flexible and stretchable sensor platforms encompassing conductor formation and patterning to encapsulate and open sensing windows, which only require an economic plotter cutter and readily available supplies. Despite its simplicity, the proposed process could stably create microscale features of 200 μm wide conductor lines and 1 mm window openings, which are in the useful range for various wearable applications. The feasibility of the simple fabrication of multi-functional sensors for various physiological monitoring applications was successfully demonstrated in electrochemical (glucose), electrical (electrocardiogram), mechanical (strain), and thermal (body temperature) modalities.Chae Hyun KimDong Hyeon LeeJiman YounHongje LeeJoonsoo JeongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Chae Hyun Kim
Dong Hyeon Lee
Jiman Youn
Hongje Lee
Joonsoo Jeong
Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
description Abstract The fabrication of flexible and stretchable electronics is a critical requirement for the successful application of wearable healthcare devices. Although such flexible electronics have been commonly fabricated by microelectromechanical system (MEMS) technologies, they require a specialised equipment for vacuum deposition, photolithography, and wet and dry etching. A photolithography-free simple patterning method using a desktop plotter cutter has been proposed; however, the metal formation and electrode opening still rely on the MEMS technology. To address this issue, we demonstrate a simple, rapid, cost-effective, and a complete microfabrication process for flexible and stretchable sensor platforms encompassing conductor formation and patterning to encapsulate and open sensing windows, which only require an economic plotter cutter and readily available supplies. Despite its simplicity, the proposed process could stably create microscale features of 200 μm wide conductor lines and 1 mm window openings, which are in the useful range for various wearable applications. The feasibility of the simple fabrication of multi-functional sensors for various physiological monitoring applications was successfully demonstrated in electrochemical (glucose), electrical (electrocardiogram), mechanical (strain), and thermal (body temperature) modalities.
format article
author Chae Hyun Kim
Dong Hyeon Lee
Jiman Youn
Hongje Lee
Joonsoo Jeong
author_facet Chae Hyun Kim
Dong Hyeon Lee
Jiman Youn
Hongje Lee
Joonsoo Jeong
author_sort Chae Hyun Kim
title Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
title_short Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
title_full Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
title_fullStr Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
title_full_unstemmed Simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
title_sort simple and cost-effective microfabrication of flexible and stretchable electronics for wearable multi-functional electrophysiological monitoring
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/0167a9aeb5f3490697a664b3a8507105
work_keys_str_mv AT chaehyunkim simpleandcosteffectivemicrofabricationofflexibleandstretchableelectronicsforwearablemultifunctionalelectrophysiologicalmonitoring
AT donghyeonlee simpleandcosteffectivemicrofabricationofflexibleandstretchableelectronicsforwearablemultifunctionalelectrophysiologicalmonitoring
AT jimanyoun simpleandcosteffectivemicrofabricationofflexibleandstretchableelectronicsforwearablemultifunctionalelectrophysiologicalmonitoring
AT hongjelee simpleandcosteffectivemicrofabricationofflexibleandstretchableelectronicsforwearablemultifunctionalelectrophysiologicalmonitoring
AT joonsoojeong simpleandcosteffectivemicrofabricationofflexibleandstretchableelectronicsforwearablemultifunctionalelectrophysiologicalmonitoring
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