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Liquid alloy printi...
Liquid alloy printing of microfluidic stretchable electronics
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Jeong, S. H. (författare)
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- Hagman, Anton (författare)
- KTH,Hållfasthetslära (Avd.)
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Hjort, K. (författare)
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Jobs, M. (författare)
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Sundqvist, J. (författare)
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Wu, Z. (författare)
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KTH Hållfasthetslära (Avd) (creator_code:org_t)
- Royal Society of Chemistry (RSC), 2012
- 2012
- Engelska.
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Ingår i: Lab on a Chip. - : Royal Society of Chemistry (RSC). - 1473-0197 .- 1473-0189. ; 12:22, s. 4657-4664
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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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 μm 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.
Nyckelord
- alloy
- dimeticone
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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