发明授权
US07872731B2 Lithographic apparatus and device manufacturing method 有权
平版印刷设备和器件制造方法

Lithographic apparatus and device manufacturing method
摘要:
A lithographic apparatus includes a polarization changing element including at least two wedge-shaped optically active members configured to rotate the polarization direction of at least a portion of the radiation beam with a predetermined angle with respect to the first direction and an optical propagation length adaptor associated with the wedge-shaped optically active members to adjust the predetermined angle.
公开/授权文献
信息查询
0/0