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Analysis of Stresses in a Multilevel Configuration by Using a Design of Experiment Method

Published online by Cambridge University Press:  15 February 2011

M. Ignat
Affiliation:
LTPCM - ENSEEG, BP.75 38402 St Martin d&Hèes - France
A. Chouaf
Affiliation:
LTPCM - ENSEEG, BP.75 38402 St Martin d&Hèes - France
J. M. Terriez
Affiliation:
LTPCM - ENSEEG, BP.75 38402 St Martin d&Hèes - France
M. Marty
Affiliation:
SGS-THOMSON Microelectronics Av. des Martyrs BP. 217 38019 Grenoble Cedex - France
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Abstract

The effects of thermoelastic residual stresses on multilevelstructures was determined by finite element calculation. A design of experiment approach was used, with five geometrical parameters. The results are presented in the form of stress contours, shown as functions of pairs of parameters, with the other parameters held constant. This analysis shows the relative sensitivities to the different parameters with respect to potential damage and failure. Comparison of the results with previous observations of microstructures seems to validate this experimental design approach.

Type
Research Article
Copyright
Copyright © Materials Research Society 1992

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References

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