Title
An easy approach to extending a short term simulation model for long term forecast in semiconductor industry
Abstract
The operational decision making in the BOSCH's 200mm wafer fabrication facility has been guided by short term simulation forecasts. The forecasts provides the capability of identifying daily bottlenecks, forecasting daily fab outs, optimizing the preventive maintenance plans and personal resource planning. Now there is a pressing need to extend the forecast time horizon to several months for making decisions such as analyzing different ramp up scenarios, evaluating the impact of dispatch rules, identifying bottlenecks for capital investment, etc. As the short term model has achieved forecast accuracy of above 90%, it is used as the basis to generate the long term model. In this paper, we discuss the key issues associated with this model generation process. These issues are: process flows compression, flexible equipment dedications, model warm-up, wafer start generation, and future fab capacity changes. Our approach enables us to use the same model generation framework for both models.
Year
DOI
Venue
2017
10.5555/3242181.3242497
WSC '17: Winter Simulation Conference Las Vegas Nevada December, 2017
Field
DocType
ISSN
Wafer,Resource planning,Time horizon,Industrial engineering,Systems engineering,Computer science,Wafer fabrication,Capital investment,Semiconductor industry,Preventive maintenance
Conference
0891-7736
ISBN
Citations 
PageRank 
978-1-5386-3427-1
0
0.34
References 
Authors
0
5
Name
Order
Citations
PageRank
Marcin Mosinski100.34
Tobias Weissgaerber200.34
Soo Leen Low300.68
Boon Ping Gan432934.25
Patrick Preuss5124.16