MACHINE LEARNING BASED INVERSE OPTICAL PROXIMITY CORRECTION AND PROCESS MODEL CALIBRATION

    公开(公告)号:US20210216697A1

    公开(公告)日:2021-07-15

    申请号:US15734141

    申请日:2019-05-23

    Abstract: A method for calibrating a process model and training an inverse process model of a patterning process. The training method includes obtaining a first patterning device pattern from simulation of an inverse lithographic process that predicts a patterning device pattern based on a wafer target layout, receiving wafer data corresponding to a wafer exposed using the first patterning device pattern, and training an inverse process model configured to predict a second patterning device pattern using the wafer data related to the exposed wafer and the first patterning device pattern.

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