Scheduling a hybrid MTO/MTS semiconductor fab with machine-dedication features

Muh-Cherng Wu*, Jr Hsiung Jiang, Wen Jen Chang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


A semiconductor foundry is essentially a make-to-order (MTO) factory. Yet, in a low-demand season, it may enter into a hybrid business model-producing make-to-stock (MTS) as well as MTO products to maintain high utilization of machines. This research proposes a scheduling method for such a hybrid MTO/MTS system with machine-dedication characteristics, a constraint imposed on the process route caused by the advance of manufacturing technology. The scheduling method aims to achieve a high on-time delivery rate for MTO products as well as a high throughput for MTS products. Simulation experiments show that the proposed scheduling method outperforms representative methods in the literature.

Original languageEnglish
Pages (from-to)416-426
Number of pages11
JournalInternational Journal of Production Economics
Issue number1
StatePublished - 1 Mar 2008


  • Machine dedication
  • Make-to-order
  • Make-to-stock
  • Scheduling
  • Semiconductor manufacturing

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