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    • 3. 发明申请
    • IMAGING OPTICAL SYSTEM AND PROJECTION EXPOSURE APPARATUS FOR MICROLITHOGRAPHY COMPRISING AN IMAGING OPTICAL SYSTEM OF THIS TYPE
    • 包括这种类型的成像光学系统的用于微刻的成像光学系统和投影曝光设备
    • WO2009053023A3
    • 2009-07-09
    • PCT/EP2008008886
    • 2008-10-21
    • ZEISS CARL SMT AGMANN HANS-JUERGEN
    • MANN HANS-JUERGEN
    • G02B17/06G03F7/20
    • G02B17/0657G03F7/70233
    • An imaging optical system (7) with a plurality of mirrors (M1 to M10) images an object field (4) in an object plane (5) into an image field (8) in an image plane (9). In the light path between non-obscured mirrors (M1 to M8), imaging rays (15) pass through at least one multiple pass-through region between spaced-apart planes which are arranged parallel to the object plane (5) and/or parallel to the image plane (9). The imaging optical system has at least one pupil plane (76, 77, 78, 17). Said pupil plane (76, 77, 78, 17) is arranged outside the multiple pass-through region between the non- obscured mirrors (M1 to M6). This results in an imaging optical system which provides for an easier correction of image errors. Other types of imaging optical systems with a correspondingly easier correction of image errors are presented as well.
    • 具有多个反射镜(M1到M10)的成像光学系统(7)将物平面(5)中的物场(4)成像到成像平面(9)中的像场(8)中。 在非遮挡反射镜(M1至M8)之间的光路中,成像光线(15)穿过平行于物平面(5)布置的间隔平面和/或平行于物平面 到图像平面(9)。 成像光学系统具有至少一个光瞳平面(76,77,78,17)。 所述光瞳平面(76,77,78,17)布置在非遮挡反射镜(M1至M6)之间的多个通过区域之外。 这导致成像光学系统更容易校正图像错误。 其他类型的成像光学系统也具有相应更容易校正图像误差。
    • 4. 发明申请
    • PROJECTION SYSTEM FOR EUV LITHOGRAPHY
    • 投影系统用于EUV地图
    • WO02056114A3
    • 2003-12-11
    • PCT/EP0200030
    • 2002-01-04
    • ZEISS CARL SMT AGMANN HANS-JUERGENHUDYMA RUSSELL
    • MANN HANS-JUERGENHUDYMA RUSSELL
    • G02B17/00G03F7/20H01L21/027
    • G02B17/0657G03F7/70233G03F7/70275G03F7/70308
    • An EUV optical projection system includes at least six mirrors (M1, M2, M3, M4, M5, M6) for imaging an object (OB) to an image (IM). At least one mirror pair is preferably configured as an at least phase compensating mirror pair. The system is preferably configured to form an intermediate image (IMI) along an optical path from the object (OB) to the image (IM) between a second mirror (M2) and a third mirror (M3), such that a first mirror (M1) and the second mirror (M2) form a first optical group (G1) and the mirror (3), a fourth mirror (M4), a fith mirror (M5) and a sith mirror (M6) form a second optical group (G1). The system also preferably includes an aperture stop (APE located along the optical path from the object (OB) to the image (IM) between the first mirror (M1) and the second mirror (M2). The second mirror (M2) is preferably convex, and the third mirror (M3) is preferably concave. The system preferably forms an image (IM) with a numerical aperture greater than 0.18.
    • EUV光学投影系统包括用于将对象(OB)成像到图像(IM)的至少六个反射镜(M1,M2,M3,M4,M5,M6)。 优选地,至少一个镜对配置为至少相位补偿镜对。 该系统优选地被配置为沿着从物体(OB)到第二反射镜(M2)和第三反射镜(M3)之间的图像(IM)的光路形成中间图像(IMI),使得第一反射镜 M1),第二反射镜(M2)形成第一光学组(G1),反射镜(3),第四反射镜(M4),第二反射镜(M5)和第二反射镜(M6)形成第二光学组 G1)。 该系统还优选地包括孔径光阑(APE,沿着从物体(OB)到第一反射镜(M1)和第二反射镜(M2)之间的图像(IM)的光路)定位,第二反射镜(M2) 并且第三反射镜(M3)优选是凹形的,该系统优选地形成数值孔径大于0.18的图像(IM)。
    • 7. 发明申请
    • METHOD AND DEVICE FOR PRODUCING AN ELEMENT HAVING AT LEAST ONE FREEFORM SURFACE WITH HIGH DIMENSIONAL ACCURACY AND LOW SURFACE ROUGHNESS
    • 方法和设备制作元件与至少一个自由形式表面的高形状精度和表面粗糙度低
    • WO2008113858A3
    • 2009-01-22
    • PCT/EP2008053398
    • 2008-03-20
    • ZEISS CARL SMT AGBOEHM THUREBURKART STEFANMANN HANS-JUERGENCHAN DANNYMALTOR HOLGER
    • BOEHM THUREBURKART STEFANMANN HANS-JUERGENCHAN DANNYMALTOR HOLGER
    • B24B13/00
    • B24B13/0043Y10T428/24355
    • The present invention relates to a method for producing an element having at least one arbitrarily freely formed surface (freeform surface) with high dimensional accuracy and low surface roughness, and to an optical element having an optical freeform surface and a projection exposure system for microlithography having a corresponding optical element, wherein the freeform surface is obtained by means of at least one first processing step using a forming material processing method, in which at least an approximation of the desired freeform surface (target shape) occurs, and at least one second step using a surface-smoothing material processing method, wherein at least during a second processing step for smoothing material processing the element (1) to be processed is elastically stressed by applying a force such that the freeform surface to be smoothed can be processed using smoothing processes for spherical, planar or aspherical surfaces. The invention further relates to a corresponding device for smoothing an arbitrarily freely formed surface (freeform surface) of an element with high dimensional accuracy and low surface roughness having a holder for receiving the element to be processed and a smoothing tool for the smoothing processing of the freeform surface, wherein the receptacle has at least one actuator (6) for applying a force to the element to be processed, so that the element to be processed is elastically stressed into an intermediate shape (2''), so that the freeform surface to be smoothed can be processed by means of the smoothing tool using smoothing processes for spherical, planar or aspherical surfaces.
    • 本发明涉及一种用于具有至少一个任意地自由形成的表面(自由曲面)与形式和低的表面粗糙度的精度高以及具有用于微光刻光学自由形式表面和投射曝光系统与相应的光学元件,其中,所述自由形态的表面由光学元件产生的元件 至少用模制材料处理方法,其中至少一个近似为所需的自由形式表面(目标形状)的第一加工步骤中进行,和至少一个第二步骤中,用表面平滑化,其中在平滑材料处理元件的第二处理步骤,用于至少编辑材料的加工方法获得的 (1)通过的力,该自由曲面以通过平滑球形,平面,或一个进程被平滑应用弹性支撑 球形表面是可编辑的。 本发明还涉及一种相应的装置,用于保持待加工的构件和用于自由形式表面的平滑化处理的平滑化工具,其中所述接收至少一个致动器平滑用的保持件的形式和低的表面粗糙度的精度高的元件的任意自由曲面(自由曲面)( 6),用于在元件上施加力,以进行处理,从而使待处理的部件(在中间形式2“)被弹性地通过平滑球形,平面,或非球面表面处理强调与平滑工具处理,使得被平滑的自由曲面 是。
    • 9. 发明申请
    • CATADIOPTRIC PROJECTION OBJECTIVE
    • 目标投影目标
    • WO2005069055A3
    • 2006-03-02
    • PCT/EP2005000262
    • 2005-01-13
    • ZEISS CARL SMT AGSHAFER DAVIDULRICH WILHELMDODOC AURELIANVON BUENAU RUDOLFMANN HANS-JUERGENEPPLE ALEXANDER
    • SHAFER DAVIDULRICH WILHELMDODOC AURELIANVON BUENAU RUDOLFMANN HANS-JUERGENEPPLE ALEXANDER
    • G02B17/08G03F7/20G02B17/00
    • G03F7/70958G02B13/22G02B17/0812G02B17/0892G03F7/70225G03F7/70275G03F7/70341G03F7/70966
    • A catadioptric projection objective (200) for imaging a pattern provided in an object plane (201) of the projection objective onto an image plane (202) of the projection objective comprises: a first objective part (210) for imaging the pattern provided in the object plane into a first intermediate image; a second objective part (220) for imaging the first intermediate imaging into a second intermediate image; a third objective part (230) for imaging the second intermediate imaging directly onto the image plane; wherein a first concave mirror (221) having a first continuous mirror surface and at least one second concave mirror (222) 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(201)中的图案成像到投影物镜的像平面(202)上的反射折射投射物镜(200)包括:第一物镜部分(210),用于对设置在投影物镜 物平面成为第一中间图像; 第二目标部分(220),用于将第一中间成像成像成第二中间图像; 用于将所述第二中间成像直接成像到所述图像平面上的第三目标部分(230) 其中具有第一连续镜面的第一凹面镜(221)和具有第二连续镜面的至少一个第二凹面镜(222)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。