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    • 22. 发明授权
    • Catadioptric projection objective
    • 反射折射投影物镜
    • US07679821B2
    • 2010-03-16
    • US12184818
    • 2008-08-01
    • David ShaferWilhelm UlrichAurelian DodocRudolf Von BuenauHans-Juergen MannAlexander Epple
    • David ShaferWilhelm UlrichAurelian DodocRudolf Von BuenauHans-Juergen MannAlexander Epple
    • G02B17/00G02B21/00
    • G02B17/0804G02B17/08G02B17/0812G02B17/0844G02B17/0856G02B17/0892G03F7/70225
    • A catadioptric projection objective for imaging a pattern provided in an object plane of the projection objective onto an image plane of the projection objective comprises: a first objective part for imaging the pattern provided in the object plane into a first intermediate image; a second objective part for imaging the first intermediate imaging into a second intermediate image; a third objective part for imaging the second intermediate imaging directly onto the image plane; wherein a first concave mirror having a first continuous mirror surface and at least one second concave mirror having a second continuous mirror surface are arranged upstream of the second intermediate image; pupil surfaces are formed between the object plane and the first intermediate image, between the first and the second intermediate image and between the second intermediate image and the image plane; and all concave mirrors are arranged optically remote from a pupil surface. The system has potential for very high numerical apertures at moderate lens material mass consumption.
    • 用于将设置在投影物镜的物平面中的图案成像到投影物镜的像平面上的反射折射投射物镜包括:用于将设置在物平面中的图案成像为第一中间图像的第一物镜部分; 第二目标部分,用于将第一中间成像成像成第二中间图像; 用于将第二中间成像直接成像到图像平面上的第三目标部分; 其中具有第一连续镜面的第一凹面镜和具有第二连续镜面的至少一个第二凹面镜布置在所述第二中间图像的上游; 瞳孔表面形成在物平面与第一中间图像之间,第一和第二中间图像之间以及第二中间图像与图像平面之间; 并且所有凹面反射镜光学地远离光瞳表面布置。 该系统具有中等透镜材料质量消耗的非常高的数值孔径的潜力。
    • 25. 发明申请
    • Catadioptric projection objective
    • 反射折射投影物镜
    • US20050190435A1
    • 2005-09-01
    • US11035103
    • 2005-01-14
    • David ShaferWilhelm UlrichAurelian DodocRudolf Von BuenauHans-Juergen MannAlexander Epple
    • David ShaferWilhelm UlrichAurelian DodocRudolf Von BuenauHans-Juergen MannAlexander Epple
    • G02B17/08G03F7/20G02B17/00G02B21/00G02B23/00
    • G03F7/70958G02B13/22G02B17/0812G02B17/0892G03F7/70225G03F7/70275G03F7/70341G03F7/70966
    • A catadioptric projection objective for imaging a pattern provided in an object plane of the projection objective onto an image plane of the projection objective comprises: a first objective part for imaging the pattern provided in the object plane into a first intermediate image; a second objective part for imaging the first intermediate imaging into a second intermediate image; a third objective part for imaging the second intermediate imaging directly onto the image plane; wherein a first concave mirror having a first continuous mirror surface and at least one second concave mirror having a second continuous mirror surface are arranged upstream of the second intermediate image; pupil surfaces are formed between the object plane and the first intermediate image, between the first and the second intermediate image and between the second intermediate image and the image plane; and all concave mirrors are arranged optically remote from a pupil surface. The system has potential for very high numerical apertures at moderate lens material mass consumption.
    • 用于将设置在投影物镜的物平面中的图案成像到投影物镜的像平面上的反射折射投射物镜包括:用于将设置在物平面中的图案成像为第一中间图像的第一物镜部分; 第二目标部分,用于将第一中间成像成像成第二中间图像; 用于将第二中间成像直接成像到图像平面上的第三目标部分; 其中具有第一连续镜面的第一凹面镜和具有第二连续镜面的至少一个第二凹面镜布置在所述第二中间图像的上游; 瞳孔表面形成在物平面与第一中间图像之间,第一和第二中间图像之间以及第二中间图像与图像平面之间; 并且所有凹面反射镜光学地远离光瞳表面布置。 该系统具有中等透镜材料质量消耗的非常高的数值孔径的潜力。
    • 28. 发明申请
    • Microlithographic illumination method and a projection lens for carrying out the method
    • 微光刻法和投影透镜实施方法
    • US20050002111A1
    • 2005-01-06
    • US10831293
    • 2004-04-26
    • Toralf GrunerManfred MaulRudolf Von Buenau
    • Toralf GrunerManfred MaulRudolf Von Buenau
    • G03F7/20G02B26/08G02B3/00G02B9/00
    • G03F7/70058G03F7/70225G03F7/70566G03F7/70966Y10S359/90
    • A microlithographic illumination method for imaging a pattern arranged in an object plane of a projection lens onto an image plane of the projection lens, under which a special means for optically correcting the optical path lengths of s-polarized and p-polarized light such that light beams of both polarizations will either traverse essentially the same optical path length between the object plane and the image plane or any existing difference in their optical path lengths will be retained, largely independently of their angles of incidence on the image plane, which will allow avoiding contrast variations due to pattern orientation when imaging finely structured patterns, is disclosed. The contrast variations may be caused by uncorrected projection lenses due to their employment of materials that exhibit stress birefringence and/or coated optical components, such as deflecting mirrors, that are used at large angles of incidence.
    • 一种用于将布置在投影透镜的物平面中的图案成像到投影透镜的图像平面上的微光刻照明方法,在该平面上用于光学校正s偏光和p偏振光的光路长度的特殊装置,使得光 两个极化的光束将在物平面和图像平面之间横穿基本上相同的光程长度,或者它们的光程长度中的任何存在的差异将被保留,这在很大程度上与其在图像平面上的入射角无关,这将允许避免 公开了当成像精细结构化图案时由于图案取向引起的对比度变化。 对比度变化可能由未矫正的投影透镜引起,因为它们使用呈现应力双折射的材料和/或以大的入射角度使用的涂覆的光学部件,例如偏转镜。
    • 29. 发明授权
    • Microlithographic illumination method and a projection lens for carrying out the method
    • 微光刻法和投影透镜实施方法
    • US06728043B2
    • 2004-04-27
    • US10146915
    • 2002-05-17
    • Toralf GrunerManfred MaulRudolf Von Buenau
    • Toralf GrunerManfred MaulRudolf Von Buenau
    • G02B2714
    • G03F7/70058G03F7/70225G03F7/70566G03F7/70966Y10S359/90
    • A microlithographic illumination method for imaging a pattern arranged in an object plane of a projection lens onto an image plane of the projection lens, under which a special means for optically correcting the optical path lengths of s-polarized and p-polarized light such that light beams of both polarizations will either traverse essentially the same optical path length between the object plane and the image plane or any existing difference in their optical path lengths will be retained, largely independently of their angles of incidence on the image plane, which will allow avoiding contrast variations due to pattern orientation when imaging finely structured patterns, is disclosed. The contrast variations may be caused by uncorrected projection lenses due to their employment of materials that exhibit stress birefringence and/or coated optical components, such as deflecting mirrors, that are used at large angles of incidence.
    • 一种用于将布置在投影透镜的物平面中的图案成像到投影透镜的图像平面上的微光刻照明方法,在该平面上用于光学校正s偏光和p偏振光的光路长度的特殊装置,使得光 两个极化的光束将在物平面和图像平面之间横穿基本上相同的光程长度,或者它们的光程长度中的任何存在的差异将被保留,这在很大程度上与其在图像平面上的入射角无关,这将允许避免 公开了当成像精细结构化图案时由于图案取向引起的对比度变化。 对比度变化可能由未矫正的投影透镜引起,因为它们使用呈现应力双折射的材料和/或以大的入射角度使用的涂覆的光学部件,例如偏转镜。