An Automatic Modeling System of the Calculation Process of a CVD Film Deposition Simulator
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- Takahashi Takahiro
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
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- Fukui Noriyuki
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
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- Arakawa Masamoto
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo
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- Funatsu Kimito
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo
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- Ema Yoshinori
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
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抄録
We have developed a modeling system for the calculation processes of a process simulator for chemical vapor deposition (CVD). The system consists of a software agent, generalized modeling software and a simulator reproducing cross-sections of the deposited films. The agent autonomously creates appropriate models by operating the simulator and the modeling software. The models are calculated by partial least squares regression (PLS), quadratic PLS (QPLS) and error back propagation (BP) methods using artificial neural networks (ANN) and expresses by mathematical formulas to reproduce the calculated results of the simulator. In addition, we have investigated the performance of the models. The models show good reproducibility and predictability both for uniformity and filling properties of the films calculated by the simulator. The models using the BP method yield the best performance. The filling property data are more suitable to modeling than film uniformity. Since the simulator can be replaced by the models, the models will contribute towards decreasing the calculation costs for predicting the experimental results. This study thus presents an example of creating a robust and reliable predictor as a virtual reactor yielding experimental results that is expected to be free of the difficulties of extrapolation, using ANN and other mathematical models.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 43 (11), 977-982, 2010
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204568033280
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- NII論文ID
- 10028157542
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DC%2BC3MXhslKls78%3D
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 10921655
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可