標題: A classification-based fault detection and isolation scheme for the ion implanter
作者: Lin, Shin-Yeu
Horng, Shih-Cheng
電控工程研究所
Institute of Electrical and Control Engineering
關鍵字: classification;classification and regression tree (CART);clustering algorithm;fault detection and isolation;ion implanter
公開日期: 1-十一月-2006
摘要: We propose a classification-based fault detection and isolation scheme for the ion implanter. The proposed scheme consists of two parts: 1) the classification part and 2) the fault detection and isolation part. In the classification part, we propose a hybrid classification tree (HCT) with learning capability to classify the recipe of a working wafer in the ion implanter, and a k-fold cross-validation error is treated as the accuracy of the classification result. In the fault detection and isolation part, we propose a warning signal generation criteria based on the classification accuracy to detect and fault isolation scheme based on the HCT to isolate the actual fault of an ion implanter. We have compared the proposed classifier with the existing classification software and tested the validity of the proposed fault detection and isolation scheme for real cases to obtain successful results.
URI: http://dx.doi.org/10.1109/TSM.2006.883594
http://hdl.handle.net/11536/11613
ISSN: 0894-6507
DOI: 10.1109/TSM.2006.883594
期刊: IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING
Volume: 19
Issue: 4
起始頁: 411
結束頁: 424
顯示於類別:期刊論文


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