location: Current position: Home >> Scientific Research >> Paper Publications

Microstructure and interfacial reactions of Sn-Au-Ag solder joints on Cu and Ni substrates

Hits:

Indexed by:会议论文

Date of Publication:2016-08-16

Included Journals:EI、CPCI-S、SCIE、Scopus

Page Number:534-537

Key Words:Au-Sn solder; Microstructure; Wettability; Interface reaction

Abstract:Novel Sn-rich Au-Sn solder alloys were designed using the cluster-plus-glue-atom (CPGA) model and calculation of phase diagrams (CALPHAD) method, and the melting behavior, microstructure, wettability and interfacial reactions of the designed Sn-Au-Ag solders were systematically investigated. The melting temperature of Sn-Au-Ag solder is among the range of 205.86 to 206.63 degrees C. The microstructure of the Sn-Au-Ag bulk solders consists of the AuSn4 and Ag3Sn phases dispersed in beta-Sn matrix. The Sn-Au-Ag solders have the better wettability on Ni substrate than that on Cu substrate.

Pre One:Synchrotron radiation in situ study on the solidification of Cu/Sn-58Bi/Cu solder joint under temperature gradient

Next One:Development of a stable non-cyanide gold-tin electroplating solution for optoelectronic applications