Author: Zhang, Peng; Xue, Songbai; Wang, Jianhao; Xue, Peng; Zhong, Sujuan; Long, Weimin. 2019.
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Abstract
With the development of microelectronic packaging and increasingly specific service environment of solder joints, much stricter requirements have been placed on the properties of lead-free solders. On account of small size effect and high surface energy, nanoparticles have been widely used to improve the microstructure and properties of lead-free solders. Therefore, the composite solders bearing nanoparticles have recently attracted wide attention. This article reviewed the recent research on SnAgCu, SnBi, and SnZn composite solder alloys and introduced the effect of nanoparticles on their microstructure, mechanical properties, wettability, and reliability. The mechanism of nanoparticles strengthening was analyzed and summarized. In addition, the shortcomings and future development trends of nanoparticle-reinforced lead-free solders were discussed, which is expected to provide some theoretical reference for the application of these composite solder in 3D IC package.Cite this article
Zhang P, Xue S, Wang J, Xue P, Zhong S, Long W. Effect of Nanoparticles Addition on the Microstructure and Properties of Lead-Free Solders: A Review. Applied Sciences. 2019; 9(10):2044.https://doi.org/10.3390/app9102044 