A Methodology for Predictive Maintenance in Semiconductor Manufacturing

In order to occupy a competitive position in semiconductor industry the most important challenges a fabrication plant has to face are the reduction of manufacturing costs and the increase of production yield. Predictive maintenance is one possible way to address these challenges. In this paper we pr...

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Main Authors: Peter Scheibelhofer, Dietmar Gleispach, Günter Hayderer, Ernst Stadlober
Format: Article
Language:English
Published: Austrian Statistical Society 2016-02-01
Series:Austrian Journal of Statistics
Online Access:http://www.ajs.or.at/index.php/ajs/article/view/171
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author Peter Scheibelhofer
Dietmar Gleispach
Günter Hayderer
Ernst Stadlober
author_facet Peter Scheibelhofer
Dietmar Gleispach
Günter Hayderer
Ernst Stadlober
author_sort Peter Scheibelhofer
collection DOAJ
description In order to occupy a competitive position in semiconductor industry the most important challenges a fabrication plant has to face are the reduction of manufacturing costs and the increase of production yield. Predictive maintenance is one possible way to address these challenges. In this paper we present an implementation of a universally applicable methodology based on the theory of regression trees and Random Forests to predict tool maintenance operations. We exemplarily show the application of the method by constructing a model for predictive maintenance of an ion implantation tool. To fit the problem adequately and to allow a descriptive interpretation we introduce the remaining time until next maintenance as a response variable. By using R and adequately analyzing data acquired during wafer processing a Random Forest model is constructed. We can show that under typical production conditions the model is able to predict a recurring maintenance operation sufficiently accurate. This example shows that better planning of maintenance operations allows for an increase in productivity and a reduction of downtime costs.
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spelling doaj.art-d46e1dbc0b8d41a5ba7595ea9e22c3e02022-12-22T04:07:11ZengAustrian Statistical SocietyAustrian Journal of Statistics1026-597X2016-02-0141310.17713/ajs.v41i3.171A Methodology for Predictive Maintenance in Semiconductor ManufacturingPeter Scheibelhofer0Dietmar Gleispach1Günter Hayderer2Ernst Stadlober3ams AG, Unterpremstätten, Austria Institute of Statistics, Graz University of Technology, Austriaams AG, Unterpremstätten, Austriaams AG, Unterpremstätten, AustriaInstitute of Statistics, Graz University of Technology, AustriaIn order to occupy a competitive position in semiconductor industry the most important challenges a fabrication plant has to face are the reduction of manufacturing costs and the increase of production yield. Predictive maintenance is one possible way to address these challenges. In this paper we present an implementation of a universally applicable methodology based on the theory of regression trees and Random Forests to predict tool maintenance operations. We exemplarily show the application of the method by constructing a model for predictive maintenance of an ion implantation tool. To fit the problem adequately and to allow a descriptive interpretation we introduce the remaining time until next maintenance as a response variable. By using R and adequately analyzing data acquired during wafer processing a Random Forest model is constructed. We can show that under typical production conditions the model is able to predict a recurring maintenance operation sufficiently accurate. This example shows that better planning of maintenance operations allows for an increase in productivity and a reduction of downtime costs.http://www.ajs.or.at/index.php/ajs/article/view/171
spellingShingle Peter Scheibelhofer
Dietmar Gleispach
Günter Hayderer
Ernst Stadlober
A Methodology for Predictive Maintenance in Semiconductor Manufacturing
Austrian Journal of Statistics
title A Methodology for Predictive Maintenance in Semiconductor Manufacturing
title_full A Methodology for Predictive Maintenance in Semiconductor Manufacturing
title_fullStr A Methodology for Predictive Maintenance in Semiconductor Manufacturing
title_full_unstemmed A Methodology for Predictive Maintenance in Semiconductor Manufacturing
title_short A Methodology for Predictive Maintenance in Semiconductor Manufacturing
title_sort methodology for predictive maintenance in semiconductor manufacturing
url http://www.ajs.or.at/index.php/ajs/article/view/171
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