发明申请
- 专利标题: LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
- 专利标题(中): LITHOGRAPHIC装置和装置制造方法
-
申请号: US12913461申请日: 2010-10-27
-
公开(公告)号: US20110037958A1公开(公告)日: 2011-02-17
- 发明人: Johannes Catharinus Hubertus Mulkens , Bob Streefkerk
- 申请人: Johannes Catharinus Hubertus Mulkens , Bob Streefkerk
- 申请人地址: NL Veldhoven
- 专利权人: ASML NETHERLANDS B.V.
- 当前专利权人: ASML NETHERLANDS B.V.
- 当前专利权人地址: NL Veldhoven
- 主分类号: G03B27/52
- IPC分类号: G03B27/52
摘要:
In an embodiment, a lithographic projection apparatus has an off-axis image field and a concave refractive lens as the final element of the projection system. The concave lens can be cut-away in parts not used optically to prevent bubbles from being trapped under the lens.
公开/授权文献
- US08514369B2 Lithographic apparatus and device manufacturing method 公开/授权日:2013-08-20
信息查询