Invention Application
WO2005091077A3 PROJECTION LENS OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE SYSTEM
审中-公开
投影镜头的微光刻投射曝光设备
- Patent Title: PROJECTION LENS OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE SYSTEM
- Patent Title (中): 投影镜头的微光刻投射曝光设备
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Application No.: PCT/EP2005000947Application Date: 2005-02-01
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Publication No.: WO2005091077A3Publication Date: 2006-04-27
- Inventor: FISCHER JUERGEN
- Applicant: ZEISS CARL SMT AG , FISCHER JUERGEN
- Assignee: ZEISS CARL SMT AG,FISCHER JUERGEN
- Current Assignee: ZEISS CARL SMT AG,FISCHER JUERGEN
- Priority: DE102004008285 2004-02-20
- Main IPC: G03F7/20
- IPC: G03F7/20
Abstract:
A projection lens of a microlithographic projection exposure system comprises a number of optical elements (15, 16, 18, 20, L1 to L4). A selected optical element (20), e.g. a mirror, can be deformed by exerting a mechanical force generated by an actuator (30, 130, 330, 430, 530). With the aid of a manipulator (26a, 26b, 26c, 126a, 126b, 226a, 226b, 326a, 326b, 326c, 426a, 426b, 426c, 526b) the spatial position of one of the optical elements and, in particular, of the deformed optical element (20) can be altered depending on the force exerted y the actuator (30; 130, 330, 430, 530). This enables tipping movements or other changes in position, which occur due to the interaction of a mounting (22a, 22b, 22c, 122a, 122b, 222a, 222b) and the forces generated by the actuator (30, 130, 330, 430, 530), to be canceled once again at least in part.
Information query
IPC分类: