Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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Relationship Between Yield and Cost Considering Repair and Rework for LCD Manufacturing System

LCD생산시스템에서 Repair와 Rework을 고려한 수율과 원가 분석 모델

  • Ha, Chunghun (School of Information & Computer Engineering, Hongik University)
  • 하정훈 (홍익대학교 정보컴퓨터공학부)
  • Published : 2007.09.30
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Abstract

The cost modeling of the LCD manufacturing system with the repair and the rework process is hard to achieve because of it's complex manufacturing process. The technical cost modeling divides each process separately and hierarchically, so it is very useful to calculate the total manufacturing cost of the complex manufacturing system. We applied the method to the complex LCD manufacturing system to obtain more accurate cost model. Yields are the most important control parameters in manufacturing. In this paper, we propose a yield based cost model for the LCD manufacturing system and reveal the relationship between manufacturing yield and cost. Through the model, we can estimate the manufacturing cost on the basis of yields that are control indicators of manufacturing. Some simulations are performed to observe the effects of the yield to the cost, and the results are coincide with the real situation. With the proposed model, we expect to develop some optimization problems for enlarging productivity in the LCD industry.

Keywords

References

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