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    • 1. 发明申请
    • ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 微波投影曝光装置的照明系统
    • WO2012100791A1
    • 2012-08-02
    • PCT/EP2011/000416
    • 2011-01-29
    • CARL ZEISS SMT GMBHDEGÜNTER, Markus
    • DEGÜNTER, Markus
    • G03F7/20
    • G03F7/70116G03F7/70075G03F7/70083G03F7/70191
    • An illumination system of a microlithographic projection exposure apparatus (10) comprises an optical integrator (60) having a plurality of light entrance facets (100) and a beam deflection array (38) of reflective or transparent beam defleeting elements (40). Each beam deflecting element (40) is configured to illuminate a spot (98) on the optical integrator (609 at a position that is variable by changing a deflection angle produced by the beam deflecting element (40). The illumination system further comprises a control unit (90) which is configured to control the beam deflection elements (40) in such a manner that a light pattern (108, 114, 118) assembled from the spots (98) on at least one of the light entrance facets (100) is varied in response to an input command that a field dependency of the angular irradiance distribution in a mask plane (88) shall be modified.
    • 微光刻投影曝光装置(10)的照明系统包括具有多个光入射面(100)的光学积分器(60)和反射或透明光束去偏移元件(40)的光束偏转阵列(38)。 每个光束偏转元件(40)被配置为照亮光学积分器(609)上的点(98),该位置在通过改变由光束偏转元件(40)产生的偏转角度而可变的位置处,照明系统还包括控制 单元(90),其被配置为以这样的方式控制光束偏转元件(40),使得从光入射面(100)中的至少一个上的光斑(98)组装的光图案(108,114,118) 响应于输入命令改变掩模平面(88)中的角度辐照度分布的场依赖性。