Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds

In this work, different microfluidic colour-changing devices are implemented by using dry film photoresist-based moulds instead of standard photolithography moulds. EtertecHT-115T negative dry film photoresist is employed to realise the rapid fabrication of the moulds for colour-changing layers. The...

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Main Authors: Min Zhang, Songjing Li
Format: Article
Language:English
Published: Taylor & Francis Group 2018-01-01
Series:Journal of Experimental Nanoscience
Subjects:
Online Access:http://dx.doi.org/10.1080/17458080.2018.1509382
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author Min Zhang
Songjing Li
author_facet Min Zhang
Songjing Li
author_sort Min Zhang
collection DOAJ
description In this work, different microfluidic colour-changing devices are implemented by using dry film photoresist-based moulds instead of standard photolithography moulds. EtertecHT-115T negative dry film photoresist is employed to realise the rapid fabrication of the moulds for colour-changing layers. The major factors that may affect the fidelity of the dry film moulds during fabrication are summarised and analysed, including the optimum exposure times and the appropriate developing times. Especially, the impacts of different concentrations of sodium carbonate (Na2CO3) solution on developing rate are investigated for 1–5 layers (50–250 μm thick) of EtertecHT-115T dry film photoresists by experiments. The created dry film moulds show the advantages of low cost, high manufacturing efficiency and requiring no professional training. Each application of the microfluidic colour-changing devices presents high transparency and good colour-changing effect. The microfluidic colour-changing layers based on dry film moulds can be used in different wearable devices of human, and also can be applied for realising surface camouflage and display functions of soft machines/robotics.
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spelling doaj.art-0f970c4d7f7a4c6f8914a8f58ec1d2402022-12-21T19:26:21ZengTaylor & Francis GroupJournal of Experimental Nanoscience1745-80801745-80992018-01-0113122123010.1080/17458080.2018.15093821509382Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based mouldsMin Zhang0Songjing Li1North China Institute of Science and TechnologyHarbin Institute of TechnologyIn this work, different microfluidic colour-changing devices are implemented by using dry film photoresist-based moulds instead of standard photolithography moulds. EtertecHT-115T negative dry film photoresist is employed to realise the rapid fabrication of the moulds for colour-changing layers. The major factors that may affect the fidelity of the dry film moulds during fabrication are summarised and analysed, including the optimum exposure times and the appropriate developing times. Especially, the impacts of different concentrations of sodium carbonate (Na2CO3) solution on developing rate are investigated for 1–5 layers (50–250 μm thick) of EtertecHT-115T dry film photoresists by experiments. The created dry film moulds show the advantages of low cost, high manufacturing efficiency and requiring no professional training. Each application of the microfluidic colour-changing devices presents high transparency and good colour-changing effect. The microfluidic colour-changing layers based on dry film moulds can be used in different wearable devices of human, and also can be applied for realising surface camouflage and display functions of soft machines/robotics.http://dx.doi.org/10.1080/17458080.2018.1509382microfluidicscolour-changing devicesdry film photoresistsmolding
spellingShingle Min Zhang
Songjing Li
Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds
Journal of Experimental Nanoscience
microfluidics
colour-changing devices
dry film photoresists
molding
title Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds
title_full Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds
title_fullStr Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds
title_full_unstemmed Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds
title_short Low-cost and facile implementation of microfluidic colour-changing devices using dry film photoresist-based moulds
title_sort low cost and facile implementation of microfluidic colour changing devices using dry film photoresist based moulds
topic microfluidics
colour-changing devices
dry film photoresists
molding
url http://dx.doi.org/10.1080/17458080.2018.1509382
work_keys_str_mv AT minzhang lowcostandfacileimplementationofmicrofluidiccolourchangingdevicesusingdryfilmphotoresistbasedmoulds
AT songjingli lowcostandfacileimplementationofmicrofluidiccolourchangingdevicesusingdryfilmphotoresistbasedmoulds