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Electropulsing Treatment on Enhancement of Electrical Conductivity of Screen-Printed Ag Wire

机译：丝网印刷AG线电导率提高的电动处理

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摘要

The effect of high electric current density on the sintering of Ag wires manufactured by screen printing is evaluated through electrical resistivity analysis and microstructure observation. Different forms (continuous and pulsed) of electric current with different current densities are applied to the specimens. Conventional heat treatment is also performed as a control group to examine the athermal effect of electropulsing treatment. Compared to the conventional heat treatment, the resistivity is reduced more under the electropulsing treatment with continuous current for the same temperature and treatment time. Also, the process time of electropulsing treatment can be reduced by applying a pulse form of high density current instead of continuous current without losing the benefit of enhanced reduction of resistivity. The microstructural observations obtained from high angle annular dark field scanning transmission electron microscope and a digital precession instrument clearly show that necking connecting the crystals is formed more firmly under electric current. In addition, the temperature change of Ag wire and substrate is calculated according to the change of the resistivity when the electric current is applied to confirm the reliability. Graphic Abstract.
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  • 作者

    Ju-Won Park; Howook Choi; Hwangsun Kim; Simoon Sung; Hye-Jin Jeong; Il Kim; Jaeseok Gong; Sung-Tae Hong; Heung Nam Han;

  • 作者单位

    Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University;

    Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University;

    Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University;

    Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University;

    Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University;

    Hardware Engineering Group Samsung Electronics;

    Hardware Engineering Group Samsung Electronics;

    School of Mechanical Engineering University of Ulsan;

    Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 金属材料;
  • 关键词

    Electropulsing treatment; Printed electronics; Sintering; Electrical conductivity;

    机译：篡禁式处理;印刷电子;烧结;电导率;

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