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Relationship Between Yield and Cost Considering Repair and Rework for LCD Manufacturing System  

Ha, Chunghun (School of Information & Computer Engineering, Hongik University)
Publication Information
Journal of Korean Institute of Industrial Engineers / v.33, no.3, 2007 , pp. 364-372 More about this Journal
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
LCD Manufacturing; Yield; Technical Cost Modeling; Repair; Rework;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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