Tool procurement planning for wafer fabrication facilities: a scenario-based approach

Jayashankar M. Swaminathan

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Supply Chain and Inventory Management Management and Optimization Techniques Scheduling and Optimization Algorithms

Abstract

The rate of change in technology in the semiconductor industry has made the demand supply planning process extremely challenging for manufacturers. This problem is further exacerbated for tool procurement because the tools are made to order, very expensive and have a long lead time for delivery. In this paper, we present a scenario-based stochastic planning approach for tool procurement under uncertainty in demand and formulate the problem as a mixed integer program. Our results based on the data from a manufacturing line indicate that the heuristics for stochastic planning can significantly outperform deterministic planning.

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References

2011Introduction to Stochastic Programming 1998Introduction to Stochastic Programming 1999Dual decomposition in stochastic integer programming 1989OR Practice—A Scenario Approach to Capacity Planning 1998Managing Broader Product Lines through Delayed Differentiation Using Vanilla Boxes 1999Stochastic Programming Models for Managing Product Variety

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