发明授权
- 专利标题: Lithographic apparatus and device manufacturing method
- 专利标题(中): 平版印刷设备和器件制造方法
-
申请号: US10618264申请日: 2003-07-14
-
公开(公告)号: US06963391B2公开(公告)日: 2005-11-08
- 发明人: Jan Evert Van Der Werf , George Arie Jan Fockert , Hans Van Der Laan
- 申请人: Jan Evert Van Der Werf , George Arie Jan Fockert , Hans Van Der Laan
- 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
- 代理机构: Pillsbury Winthrop Shaw Pittman LLP
- 优先权: EP0225002 20020716
- 主分类号: G03F7/20
- IPC分类号: G03F7/20 ; G03F9/00 ; H01L21/027 ; H01L21/68 ; G03B27/54 ; G01B11/00 ; G03B27/42
摘要:
A reflector alignment system uses an alignment beam propagating through a projection system that includes a mirror group to measure the apparent relative positions of two reference marks fixed to a reference frame on opposite sides of the projection system. Any movement of mirrors in the projection system will be detected as a shift in the apparent position of the reference marks.
公开/授权文献
- US20040189966A1 Lithographic apparatus and device manufacturing method 公开/授权日:2004-09-30