Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging

With the miniaturization of electronic packaging and devices, the size of solder joints in electronics is also decreasing from bulk solder joints to micro-bumps. Both the microstructure and mechanical properties of the solder joints are also evolving with the decreasing size, which brings great conc...

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Main Authors: Shaobin Wang, Yao Yao, Xu Long
Format: Article
Language:English
Published: MDPI AG 2019-01-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/9/2/227
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author Shaobin Wang
Yao Yao
Xu Long
author_facet Shaobin Wang
Yao Yao
Xu Long
author_sort Shaobin Wang
collection DOAJ
description With the miniaturization of electronic packaging and devices, the size of solder joints in electronics is also decreasing from bulk solder joints to micro-bumps. Both the microstructure and mechanical properties of the solder joints are also evolving with the decreasing size, which brings great concern for the reliability of different sizes of solder interconnections. In this paper, the effect of solder size on the microstructure (i.e., interfacial intermetallic compound (IMC) growth, precipitation in the solder matrix, dendrite arms, and undercooling) and mechanical properties (i.e., tensile property, shear and compression strength, fracture toughness, and creep deformation) are reviewed from the mechanical point of view. In addition, some areas for further researches about size effects on solder joints are discussed.
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spelling doaj.art-e9ec68e32c8e4c718fd08e4f189a5ba12022-12-21T20:04:06ZengMDPI AGApplied Sciences2076-34172019-01-019222710.3390/app9020227app9020227Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic PackagingShaobin Wang0Yao Yao1Xu Long2School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an 710072, ChinaWith the miniaturization of electronic packaging and devices, the size of solder joints in electronics is also decreasing from bulk solder joints to micro-bumps. Both the microstructure and mechanical properties of the solder joints are also evolving with the decreasing size, which brings great concern for the reliability of different sizes of solder interconnections. In this paper, the effect of solder size on the microstructure (i.e., interfacial intermetallic compound (IMC) growth, precipitation in the solder matrix, dendrite arms, and undercooling) and mechanical properties (i.e., tensile property, shear and compression strength, fracture toughness, and creep deformation) are reviewed from the mechanical point of view. In addition, some areas for further researches about size effects on solder joints are discussed.http://www.mdpi.com/2076-3417/9/2/227size effectmicrostructuremechanical propertysolder joint
spellingShingle Shaobin Wang
Yao Yao
Xu Long
Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging
Applied Sciences
size effect
microstructure
mechanical property
solder joint
title Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging
title_full Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging
title_fullStr Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging
title_full_unstemmed Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging
title_short Critical Review of Size Effects on Microstructure and Mechanical Properties of Solder Joints for Electronic Packaging
title_sort critical review of size effects on microstructure and mechanical properties of solder joints for electronic packaging
topic size effect
microstructure
mechanical property
solder joint
url http://www.mdpi.com/2076-3417/9/2/227
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AT xulong criticalreviewofsizeeffectsonmicrostructureandmechanicalpropertiesofsolderjointsforelectronicpackaging