EUVL 포토마스크 오염제어 전략 및 수평유동에서의 오염평가 모델

Abstract

Gaussian Diffusion Sphere Model (GDSM) was developed to predict particulate contamination for an aerosol flow over a flat surface. Good agreement was found when the GDSM was compared with the well-known theories. GDSM can be extended to predict particulate contamination of EUVL masks in a parallel flow. Extending the GDSM to predict particulate contamination of a face-down wafer/mask is going on.