Feature Extraction from Equipment Sensor Signals with Time Series Clustering and Its Application to Defect Prediction

Autor: Tomonari Masada, Takumi Eguchi, Daisuke Hamaguchi
Rok vydání: 2020
Předmět:
Zdroj: 2020 International Symposium on Semiconductor Manufacturing (ISSM).
Popis: In semiconductor manufacturing processes, it is important to quickly identify any signs of the occurrence of defects. We applied a time-series clustering method to the signal data of processing equipment and obtained information related to the occurrence of defects. By using the information as the feature values of a prediction model, we were able to predict defects more accurately than by using only conventional feature values.
Databáze: OpenAIRE