EFFECTIVE ELASTIC MODULI ANALYSIS OF INTERLEAF WITH SOLDER JOINTS AND UNDERFILLS[J]. MECHANICS IN ENGINEERING, 2006, 28(3). DOI: 10.6052/1000-0992-2005-200
Citation: EFFECTIVE ELASTIC MODULI ANALYSIS OF INTERLEAF WITH SOLDER JOINTS AND UNDERFILLS[J]. MECHANICS IN ENGINEERING, 2006, 28(3). DOI: 10.6052/1000-0992-2005-200

EFFECTIVE ELASTIC MODULI ANALYSIS OF INTERLEAF WITH SOLDER JOINTS AND UNDERFILLS

  • In this paper, the homogenization theory and higher orderdiscrete-layer laminate model are applied to the flip-chip electronicpackage assemblies with underfills, with microstructures not completelyperiodic (singlelayer). The effective elastic properties for a laminar with BGA andunderfills are determined by an analytic method. The numerical resultsare comparedwith the previous solutions, which shows the efficiency of the presentmodel and method.
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