Durairaj, Rajkumar, Mallik, Sabuj and Ekere, Ndy (2008) Solder paste characterisation: towards the development of quality control (QC) tool. Soldering & Surface Mount Technology, 20 (3). pp. 34-40. ISSN 0954-0911 (doi:https://doi.org/10.1108/09540910810885705)

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Abstract

Purpose – The purpose of this paper is to develop a quality control tool based on rheological test methods for solder paste and flux media.
Design/methodology/approach – The rheological characterisation of solder pastes and flux media was carried out through the creep-recovery, thixotropy and viscosity test methods. A rheometer with a parallel plate measuring geometry of 40mm diameter and a gap height of 1mm was used to characterise the paste and associated flux media.
Findings – The results from the study showed that the creep-recovery test can be used to study the deformation and recovery of the pastes, which can be used to understand the slump behaviour in solder pastes. In addition, the results from the thixotropic and viscosity test were unsuccessful in
determining the differences in the rheological flow behaviour in the solder pastes and the flux medium samples.
Research limitations/implications – More extensive rheological and printing testing is needed in order to correlate the findings from this study with the printing performance of the pastes.
Practical implications – The rheological test method presented in the paper will provide important information for research and development, quality control and production staff to facilitate the manufacture of solder pastes and flux media.
Originality/value – The paper explains how the rheological test can be used as a quality control tool to identify the suitability of a developmental solder paste and flux media used for the printing process.

Item Type:	Article
Uncontrolled Keywords:	solder paste, flux, creep, viscosity, quality control, rheology
Subjects:	T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Engineering Systems School of Engineering > Manufacturing Engineering Research Group
Related URLs:	Publisher Organisation Organisation
Last Modified:	28 Jan 2020 12:22
URI:	http://gala.gre.ac.uk/id/eprint/2653

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