发明名称 SYSTEM FOR PRODUCING STRUCTURES IN A SUBSTRATE
摘要 The disclosure provides a system for producing structures in a substrate. The system includes a projection exposure system. The projection exposure system includes a projection optical unit and an illumination system.
申请公布号 US2016062244(A1) 申请公布日期 2016.03.03
申请号 US201514939536 申请日期 2015.11.12
申请人 Carl Zeiss SMT GmbH 发明人 Patra Michael
分类号 G03F7/20 主分类号 G03F7/20
代理机构 代理人
主权项 1. A system, comprising: a projection exposure apparatus, comprising: a projection optical unit configured to image an object field into an image field; andan illumination system configured to guide illumination light toward the object field, wherein the projection exposure apparatus is configured so that, during operation of the projection exposure apparatus: the illumination light at the object field has a scan-integrated intensity distribution in a direction perpendicular to a scan direction and a scan-integrated direction distribution in the direction orthogonal to the scan direction;mask structures of the lithography mask are imaged to provide substrate structures on a substrate in the image field;a size of the mask structures at defined mask design locations is based on an intensity distribution of the illumination light at the object field and from a direction distribution of the illumination light at the object field; andthe size of a mask structure between the mask design locations is given by a sum of an interpolation of the values of the sizes of the mask structures at the mask design locations plus a term which, apart from a proportionality factor, is given by the profile of the scan-integrated intensity distribution.
地址 Oberkochen DE