Cure dependent characterisation of moulding compounds

KMB Jansen, ML Hawryluk, P Gromala

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

9 Citations (Scopus)

Abstract

Curing effects and difference in thermal contraction of components cause residual stresses and warpage during encapsulation of electronic packages. Residual stresses combined with thermal and mechanical loads influence package reliability and performance and may eventually lead to product failure. Comprehensive material characterisation is needed in order to perform numerical simulations which take into account the effect of shrinkage and stress development during the curing reaction of the moulding compound. With that, more reliable predictions can be made. The paper deals with detailed characterisation of moulding compounds. These materials show a clear viscoelastic behaviour, which is both temperature and cure dependent. The performed analyses cover cure kinetics, determination of elongation modulus and the studies on viscoelastic behaviour during cure. Furthermore, dilatometric tests were performed to obtain chemical shrinkage, bulk modulus and to check its time dependency. The obtained parameters including cure shrinkage will be implemented in the finite element software (ANSYS) using user programmable subroutines and APDL code.
Original languageEnglish
Title of host publicationProceedings of the 12th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems, EuroSimE 2011, 18-20 April 2011, Linz, Austria
EditorsLJ Ernst, GQ Zhang, WD van Driel, P Rodgers, C Bailey, O de Saint Leger
Place of PublicationLinz, Austria
PublisherIEEE Society
Pages1-6
Number of pages6
ISBN (Print)978-1-4577-0105-4
Publication statusPublished - 2011
EventEuroSimE 2011: 12th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems - Linz, Austria
Duration: 18 Apr 201120 Apr 2011
Conference number: 12

Publication series

Name
PublisherIEEE

Conference

ConferenceEuroSimE 2011
Country/TerritoryAustria
CityLinz
Period18/04/1120/04/11

Keywords

  • conference contrib. refereed
  • Conf.proc. > 3 pag

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