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Liquid alloy printi...
Liquid alloy printing of microfluidic stretchable electronics
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- Jeong, Seung Hee (author)
- Uppsala universitet,Mikrosystemteknik
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- Hagman, Anton (author)
- KTH, Hållfasthetslära, Stockholm
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- Hjort, Klas (author)
- Uppsala universitet,Mikrosystemteknik
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- Jobs, Magnus (author)
- Uppsala universitet,Fasta tillståndets elektronik
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- Sundqvist, Johan (author)
- Uppsala universitet,Mikrosystemteknik
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- Wu, Zhigang (author)
- Uppsala universitet,Mikrosystemteknik
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(creator_code:org_t)
- Royal society of chemistry, 2012
- 2012
- English.
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In: Lab on a Chip. - : Royal society of chemistry. - 1473-0197 .- 1473-0189. ; 22:12, s. 4657-4664
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Recently, microfluidic stretchable electronics has attracted great interest from academia since conductive liquids allow for larger cross-sections when stretched and hence low resistance at longer lengths. However, as a serial process it has suffered from low throughput, and a parallel processing technology is needed for more complex systems and production at low costs. In this work, we demonstrate such a technology to implement microfluidic electronics by stencil printing of a liquid alloy onto a semi-cured polydimethylsiloxane (PDMS) substrate, assembly of rigid active components, encapsulation by pouring uncured PDMS on-top and subsequent curing. The printing showed resolution of 200 mm and linear resistance increase of the liquid conductors when elongated up to 60%. No significant change of resistance was shown for a circuit with one LED after 1000 times of cycling between a 0% and an elongation of 60% every 2 s. A radio frequency identity (RFID) tag was demonstrated using the developed technology, showing that good performance could be maintained well into the radio frequency (RF) range.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- liquid alloy
- printing
- stretchable electronics
- wireless communication
- Teknisk fysik med inriktning mot mikrosystemteknik
- Engineering Science with specialization in Microsystems Technology
- Engineering Science with specialization in Electronics
- Teknisk fysik med inriktning mot elektronik
Publication and Content Type
- ref (subject category)
- art (subject category)
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