发明申请
US20060159931A1 Mask blank providing system, mask blank providing method, mask blank transparent substrate manufacturing method, mask blank manufacturing method, and mask manufacturing method 有权
掩模空白提供系统,掩模坯提供方法,掩模空白透明基板制造方法,掩模板制造方法和掩模制造方法

Mask blank providing system, mask blank providing method, mask blank transparent substrate manufacturing method, mask blank manufacturing method, and mask manufacturing method
摘要:
A mask blank manufacturing department manufactures a mask blank by forming a thin film to be a mask pattern on a mask blank transparent substrate. When providing the mask blank to a mask manufacturing department, the mask blank manufacturing department provides optical characteristic information (transmittance variation) of the mask blank transparent substrate and optical characteristic information (transmittance variation and/or phase difference variation) of the mask blank to the mask manufacturing department. The optical characteristic information of the mask blank transparent substrate is provided to the mask blank manufacturing department from a materials processing department that manufactures mask blank transparent substrates.
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