Invention Grant
US07684013B2 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
Abstract:
A lithographic apparatus includes an illumination unit including a radiation source configured to generate a radiation bundle, an illumination optics with a numerical aperture NA0 and an aperture system; a projection lens having a first numerical aperture NAOB1; a support arranged between the illumination unit and the projection lens and configured to support a patterning device; a substrate support configured to support a substrate on which structures on the patterning device are imaged, wherein the first numerical aperture NAOB1 of the projection lens is smaller than the numerical aperture NA0 of the illumination unit.
Public/Granted literature
Information query
Patent Agency Ranking
0/0