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A study on the resistivity and mechanical properties of modified nano-Ag coated Cu particles in electrically conductive adhesives

  • Shuye ZhangEmail author
  • Xiaoquan Qi
  • Ming Yang
  • Yang Cao
  • Tiesong Lin
  • Peng He
  • Kyung-Wook Paik
Article
  • 31 Downloads

Abstract

Electrically conductive adhesives (ECAs) are mainly used in IC packaging, LED packaging and other electronic industry to replace the traditional soldering and lead-free solders, therefore, there is a constant need to improve the electrical conductive and mechanical property of ECAs. In this study, the electrical resistivity and shear strength of the modified nano-Ag coated Cu particles in ECA was investigated and compromised, in terms of filler contents, curing temperature and curing time. The conductive mechanism of the modified nano-Ag coated Cu particles in ECA was discussed as the filler content increased. Finally, the filler content was optimized by 23.5 vol% and 170 °C 100 min curing condition was selected to obtain the compromised property (5.159 × 10−6 Ω cm 6.121 MPa), which is better than the previous one (4.99 × 10−6 Ω cm, 4.406 MPa) at 200 °C. The tested data, as well as the failure mode and fracture interfaces, were carried out in this study.

Notes

Acknowledgements

This research was supported by the Natural Science Foundation of China (Grant Number 51805115).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Shuye Zhang
    • 1
    Email author
  • Xiaoquan Qi
    • 1
  • Ming Yang
    • 2
  • Yang Cao
    • 1
  • Tiesong Lin
    • 1
  • Peng He
    • 1
  • Kyung-Wook Paik
    • 3
  1. 1.State Key Laboratory of Advanced Welding and JoiningHarbin Institute of TechnologyHarbinChina
  2. 2.Hisilicon Optoelectronics Co., LtdWuhanChina
  3. 3.Department of Materials Science and EngineeringKAISTDaejeonRepublic of Korea

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