Lot release times and dispatching rule for a TFT-LCD cell process

  • Authors:
  • J. T. Lin;F. K. Wang;C. C. Peng

  • Affiliations:
  • Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Kuang Fu Road, Hsinchu 300, Taiwan, ROC;Department of Industrial Management, National Taiwan University of Science & Technology, No. 43, Keelung Road, Sec. 4, Taipei, 106 Taiwan, ROC;Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Kuang Fu Road, Hsinchu 300, Taiwan, ROC

  • Venue:
  • Robotics and Computer-Integrated Manufacturing
  • Year:
  • 2008

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Abstract

In this paper, the simulation analysis of the cell process in a thin film transistor-liquid crystal display (TFT-LCD) manufacturing was analyzed, and the effects of the lot release times and dispatching rule were considered. Discrete-event simulation models were developed in an e-M Plant to study this system. The lot release times and dispatching rule based on minimum setup times was used in this system. In order to improve the system performance, a heuristic algorithm for lot release times and a queue time maximum un-matches (QTMU) dispatching rule for rubbing machines are proposed. The simulation results revealed a substantial improvement of the cell process performance and reduced the setup times for the rubbing machine and the cycle time of TFT-array substrate and color filter (CF) substrate processing.