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    • 31. 发明申请
    • ILLUMINATION OPTICAL UNIT FOR PROJECTION LITHOGRAPHY
    • 投影光刻照明光学单元
    • US20120206704A1
    • 2012-08-16
    • US13368430
    • 2012-02-08
    • Johannes WanglerMarkus DeguentherStig Bieling
    • Johannes WanglerMarkus DeguentherStig Bieling
    • G03B27/54
    • G03F7/70058
    • An illumination optical unit for projection lithography for illuminating an object field, in which an object to be imaged can be arranged, with illumination light has a field facet mirror having a plurality of field facets. A pupil facet mirror of the illumination optical unit has a plurality of pupil facets. The pupil facets serve for imaging the field facets respectively assigned individually to the pupil facets into the object field. An individual mirror array of the illumination optical unit has individual mirrors that can be tilted in driven fashion individually. The individual mirror array is arranged in an illumination light beam path upstream of the field facet mirror. This can result in flexibly configurable illumination by the illumination optical unit, this illumination being readily adaptable to predetermined values.
    • 用于照射物场的投影光刻用的照明光学单元,其中可以利用照明光布置要成像的物体,具有具有多个场面的场面反射镜。 照明光学单元的瞳孔面镜具有多个光瞳面。 瞳孔面用于将分别分配给瞳孔面的场面刻面成像为物场。 照明光学单元的单个反射镜阵列具有可以分别以驱动方式倾斜的各个反射镜。 单个反射镜阵列布置在场分面反射镜上游的照明光束路径中。 这可以导致由照明光学单元灵活配置的照明,该照明容易适应于预定值。
    • 34. 发明申请
    • Illumination system for a microlithography projection exposure apparatus
    • 用于微光刻投影曝光装置的照明系统
    • US20060126049A1
    • 2006-06-15
    • US11271844
    • 2005-11-14
    • Markus DeguentherJohannes WanglerMarkus BrotsackElla Mizkewitsch
    • Markus DeguentherJohannes WanglerMarkus BrotsackElla Mizkewitsch
    • G03B27/72
    • G03F7/70075G03F7/70091
    • An illumination system for a microlithography projection exposure apparatus is designed for illuminating an illumination field with an illumination radiation with a predeterminable degree of coherence σ, it being possible to adjust the degree of coherence within a degree of coherence range extending into the range of very small degrees of coherence of significantly less than σ=0.2. The illumination system may have a first optical system for generating a predeterminable light distribution in an entrance plane of a light mixing device, and also a light mixing device for homogenizing the impinging radiation. The first optical system and the light mixing device can in each case be changed over between a plurality of configurations corresponding to different degree of coherence ranges. The degree of coherence ranges overlap and are dimensioned such that the resulting total degree of coherence range is larger than the individual degree of coherence ranges.
    • 用于微光刻投影曝光装置的照明系统设计成用具有可预定程度的一致性sigma的照明辐射照射照明场,可以在相干范围内的相干程度范围内调整相干度 相干度显着小于σ= 0.2。 照明系统可以具有用于在光混合装置的入射面中产生可预定的光分布的第一光学系统,以及用于均匀化入射辐射的光混合装置。 在每种情况下,可以在对应于不同程度的相干范围的多个配置之间改变第一光学系统和光混合装置。 相干度的重叠程度重叠,其尺寸使得所产生的总相干度范围大于相干范围的个体程度。