首页>
外国专利>
PROJECTION EXPOSURE SYSTEM AND LIGHT GUIDE FOR IT
PROJECTION EXPOSURE SYSTEM AND LIGHT GUIDE FOR IT
展开▼
机译:投影曝光系统及其光导
展开▼
页面导航
摘要
著录项
相似文献
摘要
The present invention relates to a projection exposure system for microlithography with a light source for generating working light (9), an illumination system for illuminating a mask having structures to be imaged and a projection objective for imaging the structures of the mask onto a substrate, the illumination system and / or projection objective being at least one The light guide element (14) comprises which operating light (11) differs from the working light (9) and which has a metallic protective layer (17).
展开▼