An optimization framework for waferfab performance enhancement

  • Authors:
  • Daniel Noack;Boon Ping Gan;Peter Lendermann;Oliver Rose

  • Affiliations:
  • D-SIMLAB Technologies, Singapore;D-SIMLAB Technologies, Singapore;D-SIMLAB Technologies, Singapore;Dresden University of Technology, Dresden, Germany

  • Venue:
  • Proceedings of the 40th Conference on Winter Simulation
  • Year:
  • 2008

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Abstract

A typical wafer fab requires numerous decisions for daily operations. Even small decisions on system configurations may have significant impact on the overall fab performance. One of the most critical performance measure is cycle time, where just one day of reduction could represent significant cost savings. In this paper we describe an automated simulation-based optimization method to improve fab configurations. We illustrated our method through a case study that involves optimization of multiple decision variables in a wafer fab. The objective of the optimization is to reduce the cycle time. We show the potentials of such an optimization through achieving an improvement of 15% in cycle time for a furnace toolset.