Inspection of aggressive OPC using aerial image-based mask inspection

被引:1
|
作者
Hsu, LTH [1 ]
Hung, JCC [1 ]
Hsieh, HC [1 ]
Rosenbusch, A [1 ]
Falah, R [1 ]
Blumberg, Y [1 ]
机构
[1] Taiwan Semicond Mfg Co Ltd, Hsinchu, Taiwan
关键词
aerial-image based mask inspection; 193nm technology; OPC; optical proximity correction;
D O I
10.1117/12.504058
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Inspection of aggressive OPC represents one of the major challenges for today's mask inspection methodologies. Systems are phased with high-density layouts, containing OPC features far below the resolution limit of conventional inspection systems. This causes large amounts of false and nuisance defects, especially on production applications. The paper presents the use of Aera193(TM), a new inspection system using aerial imaging as inspection methodology.
引用
收藏
页码:357 / 363
页数:7
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