基于俯视SEM图像的矩形光栅占宽比检测方法
吴丽翔;刘颖;饶欢乐;邱克强;付绍军
Measurement method for duty cycles of rectangular gratings based on top-down SEM images
WU Li-xiang;LIU Ying;RAO Huan-le;QIU Ke-qiang;FU Shao-jun
应用光学 . 2014, (3): 446 -451 .