Paper Title:
Weighted Cost Rate-Based Heuristic Scheduling Method for Semiconductor Furnaces
  Abstract

In semiconductor wafer manufacturing, furnaces are mainly used for diffusion and deposition operations. During operations, wherever a furnace becomes available, scheduling the next batch deals with decisions on a batch which operation to process next and how many wafer lots to group the batch. To resolve the mentioned scheduling problem of the furnace where existing multi-products and different due dates, a heuristic dynamic scheduling algorithm called WCRHA (weighted cost rate heuristic algorithm) is presented to minimize the objective value of the waiting cost per unit time based on due date constraints. Simulation results show that the proposed algorithm is valid and feasible. Compared with the previous dynamic scheduling algorithms, it is more efficient in ensuring delivery and reducing completion time.

  Info
Periodical
Edited by
Ran Chen
Pages
2186-2190
DOI
10.4028/www.scientific.net/AMM.44-47.2186
Citation
Z. Q. Lu, B. H. Zhou, "Weighted Cost Rate-Based Heuristic Scheduling Method for Semiconductor Furnaces", Applied Mechanics and Materials, Vols. 44-47, pp. 2186-2190, 2011
Online since
December 2010
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