International Journal of Precision Engineering and Manufacturing

Korean Society for Precision Engineering (한국정밀공학회)
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Development and Characterization of Pattern Recognition Algorithm for Defects in Semiconductor Packages

  • Kim, Jae-Yeol (Department of mechatronics engineering, Chosun University) ;
  • Yoon, Sung-Un (Department of mechanical engineering, Chosun University) ;
  • Kim, Chang-Hyun (Department of precision mechanical engineering, Graduate school, Chosun University)
  • Published : 2004.07.01
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Abstract

In this paper, the classification of artificial defects in semiconductor packages is studied by using pattern recognition technology. For this purpose, the pattern recognition algorithm includes the user made MATLAB code. And preprocess is made of the image process and self-organizing map, which is the input of the back-propagation neural network and the dimensionality reduction method, The image process steps are data acquisition, equalization, binary and edge detection. Image process and self-organizing map are compared to the preprocess method. Also the pattern recognition technology is applied to classify two kinds of defects in semiconductor packages: cracks and delaminations.

Keywords

References

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