Modeling of a Probabilistic Re-Entrant Line Bounded by Limited Operation Utilization Time

Document Type : Research Paper

Author

Department of Electrical and Electronics Engineering Technology, Yanbu Industrial College, Kingdom of Saudi Arabia.

Abstract

This paper presents an analytical model based on mean value analysis (MVA) technique for a probabilistic re-entrant line. The objective is to develop a solution method to determine the total cycle time of a Reflow Screening (RS) operation in a semiconductor assembly plant. The uniqueness of this operation is that it has to be borrowed from another department in order to perform the production screening task. Since the operation is being shared, there is a time limit to utilize it in a day. Screening of lots that cannot be completed within the given time has to be continued in the following days. The contributions of this paper is the development of a lot clustering method and factoring the limited time sharing condition and thus develop an analytical model. Comparison results were made using available real historical data. The proposed model provided operation managers with the total cycle time computation method and determining the appropriate cluster size to be loaded into the operation.

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References

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History

  • Receive Date: 12 February 2007
  • Revise Date: 17 April 2007
  • Accept Date: 29 August 2007

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