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Pressured liquid metal screen printing for rapid manufacture of high resolution electronic patterns

机译：压力液态金属丝网印刷，用于快速制造高分辨率电子图案

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摘要

In this paper, a pressured liquid metal screen printing method for rapidly manufacturing electronically conductive patterns is proposed and experimentally demonstrated. The atomized liquid metal microdroplets are pushed through the mesh openings to wet the target substrate under the airflow force. As the screen is removed away from the substrate, a liquid metal pattern is formed. The width and the thickness of the printed track can reach small values of 233.7 mu m and 94.5 mu m, respectively, with the surface root mean square roughness of the printed plane at 1.27 mu m. With such a printing method, various kinds of complex electronic patterns such as functional circuits, general art drawings etc. can be fabricated in a short time on flexible or rigid substrates with different surface roughnesses. Durability and bending tests are performed to investigate the reliability and mechanical stability of the printed line resistors. In order to illustrate the screen printing of functional electronics, a liquid metal radio frequency identification antenna tag is fabricated with the reflection coefficient measured. Future applications of the liquid metal screen printing technique can be envisaged in flexible printed circuit board manufacturing, paper-based electronics, metal tags, the art of metal calligraphy & painting and so on.
机译：在本文中，提出了一种用于快速制造电子导电图案的压力液态金属丝网印刷方法和实验证明。雾化液态金属微型电流通过网状开口推动，以在气流力下润湿目标基质。当屏幕被远离基板移除时，形成液态金属图案。印刷轨道的宽度和厚度分别可以分别达到233.7μm和94.5μm的少量值，在1.27μm下印刷平面的表面根均方粗糙度分别达到较小的值。利用这种印刷方法，可以在具有不同表面粗糙度的柔性或刚性基板上的短时间内制造各种复杂的电子图案，例如功能电路，普遍艺术图等。进行耐久性和弯曲测试以研究印刷线电阻的可靠性和机械稳定性。为了说明功能电子器件的丝网印刷，用测量的反射系数制造液态金属射频识别天线标签。液态金属丝网印刷技术的未来应用可以设想在柔性印刷电路板制造，纸质电子，金属标签，金属书法和绘画艺术等中。

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  • 来源
    《RSC Advances》 |2015年第71期|共6页
  • 作者

    Wang Lei; Liu Jing;

  • 作者单位

    Chinese Acad Sci Tech Inst Phys &

    Chem Beijing Key Lab CryoBiomed Engn Beijing 100190 Peoples R China;

    Chinese Acad Sci Tech Inst Phys &

    Chem Beijing Key Lab CryoBiomed Engn Beijing 100190 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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