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首页> 外文期刊>Journal of Imaging Science and Technology >Process Development of Large Area R2R Printing and Sintering of Conductive Patterns by Inkjet and Infra-Red Technologies Tailored for Printed Electronics
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Process Development of Large Area R2R Printing and Sintering of Conductive Patterns by Inkjet and Infra-Red Technologies Tailored for Printed Electronics

机译：印刷电子专用喷墨技术和红外技术进行大面积R2R印刷和导电图案烧结的工艺开发

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摘要

The technological advancement in the field of printed electronics over roll-to-roll (R2R) platform has become very attractive, because of the several advantages such as mass production, large area application, cost-saving and high-speed capabilities. The inkjet technology, on the other hand, among other printing technologies promotes individualization and contact-less deposition process qualities. In this article, the authors demonstrate the state of the art R2R setup for printing silver (Ag) conductive patterns on PEN substrate using inkjet and infra-red technologies. The deposition of the conductive patterns was accomplished using a nanoparticle-based Ag ink and industrial printheads from Fujifilm Dimatix. The novelty of the research work is realization of a print setup, consisting of an industry relevant flexible printhead assembly and drop evaluation station, which are mounted over a R2R printing system. The entire setup allows the user to first evaluate the ejection of the droplets and then stabilize the print parameters without involving the web substrate, followed by re-positioning of the inkjet assembly back to the R2R printing system. The capability of the print setup is exhibited by varying the printing resolution for the defined digital patterns. In addition, the post-treatment of the conductive patterns was tailored with the implementation of an infra-red based sintering module from Heraeus Noblelight GmbH. The power density of the filaments from the sintering module was varied to achieve the maximum conductivity and to ensure no physical damage to the patterns and substrate. The results indicate that such a print setup is very flexible and can offer several benefits to the printing process of conductive patterns, e.g., obtaining line width below 80 mu m and sheet resistance of about 0.5 Omega/square, with the advantage of sintering the patterns within 20 s. (C) 2018 Society for Imaging Science and Technology.
机译：卷到卷（R2R）平台在印刷电子领域的技术进步已变得非常具有吸引力，因为它具有大量生产，大面积应用，节省成本和高速功能等诸多优势。另一方面，喷墨技术以及其他印刷技术提高了个性化和非接触式沉积工艺的质量。在本文中，作者演示了使用喷墨和红外技术在PEN基板上印刷银（Ag）导电图案的最新R2R设置。导电图案的沉积是使用基于纳米颗粒的Ag墨水和Fujifilm Dimatix的工业打印头完成的。研究工作的新颖之处在于实现了打印设置，该打印设置由与行业相关的柔性打印头组件和墨滴评估站组成，它们安装在R2R打印系统上。整个设置使用户可以首先评估液滴的喷射，然后稳定打印参数，而无需使用卷筒纸基材，然后将喷墨组件重新放置回R2R打印系统。通过更改定义的数字图案的打印分辨率，可以显示打印设置的功能。此外，通过使用Heraeus Noblelight GmbH的基于红外的烧结模块，可以对导电图案进行后处理。改变来自烧结模块的细丝的功率密度，以实现最大的导电性，并确保对图案和基板没有物理损坏。结果表明，这种印刷设置非常灵活，可以为导电图案的印刷过程提供多个好处，例如，获得线宽低于80μm和薄层电阻约为0.5 Omega / square，并具有烧结图案的优势20秒内。 （C）2018年影像科学与技术学会。

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  • 来源
    《Journal of Imaging Science and Technology》 |2018年第4期|040407.1-040407.12|共12页
  • 作者

    Mitra Kalyan Yoti; Kapadia Sunil; Hartwig Melinda; Sowade Enrico; Xu Zhenxing; Baumann Reinhard R.; Zichner Ralf;

  • 作者单位

    Fraunhofer Inst Elect Nano Syst ENAS, Dept Printed Funct, D-09126 Chemnitz, Germany;

    Tech Univ Chemnitz, Dept Digital Printing & Imaging Technol, D-09126 Chemnitz, Germany;

    Tech Univ Chemnitz, Dept Digital Printing & Imaging Technol, D-09126 Chemnitz, Germany;

    Tech Univ Chemnitz, Dept Digital Printing & Imaging Technol, D-09126 Chemnitz, Germany;

    PadaLuma Ink Jet Solut GmbH & Co KG Palis, D-91459 Markt Erlbach, Germany;

    Fraunhofer Inst Elect Nano Syst ENAS, Dept Printed Funct, D-09126 Chemnitz, Germany;

    Fraunhofer Inst Elect Nano Syst ENAS, Dept Printed Funct, D-09126 Chemnitz, Germany;

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