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Article
Effects of Intermetallic Morphology at the Metallic Particle/Solder Interface on Mechanical Properties of Sn-Ag-Based Solder Joints
Journal of Electronic Materials
  • H. Rhee, Michigan State University
  • F. Guo, Michigan State University
  • J. G. Lee, Michigan State University
  • Katherine C. Chen, California Polytechnic State University - San Luis Obispo
  • K. N. Subramanian, Michigan State University
Publication Date
11-1-2003
Abstract

Mechanical incorporation of metallic particles in the Sn-Ag-based solder resulted in various intermetallic compound (IMC) morphologies around these particles during reflow. Unlike with the Ni particles, the IMCs formed around Cu and Ag particles are relatively insensitive to reflow profiles employed. The IMC formed around the Ni particles ranges from “sunflower” morphology to “blocky” morphology with increasing time and temperature above liquidus during the heating part of the reflow profile. Mechanical properties, such as simple shear strength and creep behavior, of these composite solders were affected by the IMC morphologies in the composite solders investigated. Sunflower-shaped IMC formed around an Ni particles resulted in higher simple shear strength and better creep properties.

Publisher statement
The original version is available at http://www.springerlink.com.
Citation Information
H. Rhee, F. Guo, J. G. Lee, Katherine C. Chen, et al.. "Effects of Intermetallic Morphology at the Metallic Particle/Solder Interface on Mechanical Properties of Sn-Ag-Based Solder Joints" Journal of Electronic Materials Vol. 32 Iss. 11 (2003) p. 1257 - 1264
Available at: http://works.bepress.com/kcchen/12/