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    • 2. 发明申请
    • CATADIOPTRIC PROJECTION OBJECTIVE WITH INTERMEDIATE IMAGES
    • 具有中间图像的目标投影
    • WO2005111689A2
    • 2005-11-24
    • PCT/EP2005/005250
    • 2005-05-13
    • CARL ZEISS SMT AGDODOC, AurelianULRICH, WilhelmEPPLE, Alexander
    • DODOC, AurelianULRICH, WilhelmEPPLE, Alexander
    • G02B17/08
    • G03F7/70058G02B17/06G02B17/08G02B17/0804G02B17/0892G03F7/7015G03F7/70225G03F7/70275
    • A catadioptric projection objective for imaging of a pattern, which is arranged on the object plane of the projection objective, on the image plane of the projection objective has a first objective part for imaging of an object field to form a first real intermediate image, a second objective part for production of a second real intermediate image using the radiation coming from the first objective part; and a third objective part for imaging of the second real intermediate image on the image plane. The second objective part is a catadioptric objective part with a concave mirror. A first folding mirror for deflection of the radiation coming from the object plane in the direction of the concave mirror and a second folding mirror for deflection of the radiation coming from the concave mirror in the direction of the image plane are provided. A field lens with a positive refractive power is arranged between the first intermediate image and/or the first folding mirror and the concave mirror, in an area close to the field of the first intermediate image.
    • 用于对投影物镜的物平面上配置的图案进行成像的反折射投射物镜具有用于对物场进行成像以形成第一实际中间图像的第一物镜部分, 使用来自第一目标部分的辐射来生成第二实际中间图像的第二目标部分; 以及用于在图像平面上成像第二实际中间图像的第三目标部分。 第二个目标部分是具有凹面镜的反射折射物镜部分。 提供了用于使来自物体平面的辐射在凹面镜的方向上偏转的第一折叠镜和用于在像面方向偏转来自凹面镜的辐射的第二折叠镜。 在第一中间图像和/或第一折叠镜和凹面镜之间,在靠近第一中间图像的场的区域内布置具有正屈光力的场透镜。
    • 4. 发明申请
    • REFRAKTIVES PROJEKTIONSOBJEKTIV FÜR DIE IMMERSIONS-LITHOGRAPHIE
    • 浸泡版画折射投影物镜
    • WO2005050321A1
    • 2005-06-02
    • PCT/EP2003/011677
    • 2003-10-22
    • CARL ZEISS SMT AGDODOC, AurelianULRICH, WilhelmROSTALSKI, Hans-Jürgen
    • DODOC, AurelianULRICH, WilhelmROSTALSKI, Hans-Jürgen
    • G03F7/20
    • G03F7/70241G02B13/143G03F7/70341
    • Ein für die Immersions-Mikrolithographie geeignetes, rein refraktives Projektionsobjektiv ist als Ein-Taillen-System mit fünf Linsengruppen ausgelegt, bei dem eine erste Linsengruppe mit negativer Brechkraft, eine zweite Linsengruppe mit positiver Brechkraft, eine dritte Linsengruppe mit negativer Brechkraft, eine vierte Linsengruppe mit positiver Brechkraft und eine fünfte Linsengruppe mit positiver Brechkraft vorgesehen sind. Die vierte Linsengruppe hat eine Eintrittsfläche (E), die in der Nähe eines Wendepunktes einer Randstrahlhöhe zwischen der dritten Linsengruppe (LG3) und der vierten Linsengruppe (LG4) liegt. Zwischen der Eintrittsfläche und der Systemblende (5) ist keine Negativlinse mit substantieller Brechkraft angeordnet ist. Ausführungsformen erfindungsgemässer Projektionsobjektive erreichen eine sehr hohe numerische Apertur NA > 1 bei grossem Bildfeld und zeichnen sich durch eine kompakte Baugrösse aus. Bei Verwendung von Immersionsfluiden zwischen Projektionsobjektiv und Substrat sind bei Arbeitswellenlängen unterhalb 200nm Strukturbreiten deutlich unter 100nm auflösbar.
    • 一种合适的用于浸没微光刻,纯折射投影物镜被设计成具有五个透镜组,一个腰包系统,其中,具有负折射力的第一透镜组,具有正屈光力的第二透镜组,具有负折射光焦度的第三透镜组,第四透镜组用 提供正折光力和具有正折光力的第五透镜组。 第四透镜组是一个入射表面(E),在第三透镜组(LG3)和第四透镜组(LG4)之间的边缘光线高度的拐点的附近。 进入表面和所述隔膜的系统(5)之间是没有负透镜布置在具有相当大的光焦度。 根据本发明的投影透镜的实施例实现在大的视场非常高的数值孔径NA> 1,并通过一个紧凑的尺寸的特征。 当使用投影透镜和基底之间浸没流体是在低于200纳米的特征尺寸以及小于100nm波长工作的可溶性。
    • 6. 发明申请
    • OPTICAL SYSTEM OF A MICROLITHOGRAPHIC EXPOSURE SYSTEM
    • 微波曝光系统的光学系统
    • WO2007031544A1
    • 2007-03-22
    • PCT/EP2006/066332
    • 2006-09-13
    • CARL ZEISS SMT AGTOTZECK, MichaelBEDER, SusanneCLAUSS, WilfriedFELDMANN, HeikoKRÄHMER, DanielDODOC, Aurelian
    • TOTZECK, MichaelBEDER, SusanneCLAUSS, WilfriedFELDMANN, HeikoKRÄHMER, DanielDODOC, Aurelian
    • G03F7/20
    • G02B5/3083G02B27/286G03F7/70566G03F7/70966
    • An optical system, in particular an illumination system or a projection lens of a microlithographic exposure system, according to one aspect of the present invention has an optical system axis (OA) and at least one element group (200) consisting of three birefringent elements (211 ,212,213) each of which being made of optically uniaxial material and having an aspheric surface, wherein a first birefringent element (211 ) of said group has a first orientation of its optical crystal axis, a second birefringent element (212) of said group has a second orientation of its optical crystal axis, wherein said second orientation can be described as emerging from a rotation of said first orientation, said rotation not corresponding to a rotation around the optical system axis by an angle of 90° or an integer multiple thereof, and a third birefringent element (213) of said group has a third orientation of its optical crystal axis, wherein said third orientation can be described as emerging from a rotation of said second orientation said rotation not corresponding to a rotation around the optical system axis by an angle of 90° or an integer multiple thereof.
    • 根据本发明的一个方面的光学系统,特别是微光刻曝光系统的照明系统或投影透镜,具有光学系统轴(OA)和由三个双折射元件(200)组成的至少一个元件组(200) 211,212,213),其由光学单轴材料制成并具有非球面,其中所述组的第一双折射元件(211)具有其光学晶轴的第一取向,所述组的第二双折射元件(212) 具有其光学晶轴的第二取向,其中所述第二取向可以被描述为从所述第一取向的旋转出来,所述旋转不对应于围绕光学系统轴的旋转90°的角度或其整数倍 ,并且所述组的第三双折射元件(213)具有其光学晶轴的第三取向,其中所述第三取向可以被描述为从 所述第二方向的旋转,所述旋转不对应于围绕光学系统轴的旋转90°的角度或其整数倍。
    • 9. 发明申请
    • IMAGING OPTICS AND PROJECTION EXPOSURE INSTALLATION FOR MICROLITHOGRAPHY WITH AN IMAGING OPTICS OF THIS TYPE
    • 使用这种类型的成像光学的成像光学和投影曝光安装
    • WO2010115500A1
    • 2010-10-14
    • PCT/EP2010/001512
    • 2010-03-11
    • CARL ZEISS SMT AGMANN, Hans-JürgenZELLNER, JohannesDODOC, AurelianZAHLTEN, ClausMENKE, ChristophPRETORIUS, MarcoULRICH, WilhelmROSTALSKI, Hans-Jürgen
    • MANN, Hans-JürgenZELLNER, JohannesDODOC, AurelianZAHLTEN, ClausMENKE, ChristophPRETORIUS, MarcoULRICH, WilhelmROSTALSKI, Hans-Jürgen
    • G02B17/06G03F7/20
    • G03F7/70233G02B17/0663G02B17/0888
    • An imaging optics (36) has a plurality of mirrors (M1 to M6), which image an object field (4) in an object plane (5) in an image field (8) in an image plane (9). A first mirror (M1) is arranged in the imaging beam path of imaging light after the object field (4) and a last mirror (M6) is arranged in the imaging beam path before the image field (8). In the unfolded imaging beam path, an impingement point of a chief ray (16), which belongs to a central object field point, on a useful face (23) of each of the mirrors (M1 to M6), which is configured to guide the imaging light (3), has a mirror spacing (Z M ) from the image plane (9). The mirror spacing (Z M1 ) of the first mirror (Ml) is greater than the mirror spacing (Z M6 ) of the last mirror (M6). The mirror spacing (z M3 ) of a fourth to last mirror (M3) is greater than the mirror spacing (z M1 ) of the first mirror (M1). In a further aspect of the invention, a reflection surface of at least one of the mirrors (M1 to M6) of the imaging optics (36) is configured as a static free form surface which cannot be described by a rotationally symmetrical function. This differs from an aspherical surface best adapted thereto, which can be described by a rotationally symmetrical function in that a normal (FNB) to a free form surface element (20) of a used region (23) of the free form surface, which is configured to guide the imaging light (3), adopts an angle (α) of a maximum of 70 μrad with a normal (FN) to a corresponding asphere surface element (22) of the aspherical surface (21). With the two aspects, a handleable combination of small imaging errors, manageable production and good throuhput for the imaging light results.
    • 成像光学器件(36)具有多个反射镜(M1至M6),其对图像平面(9)中的图像场(8)中的物体平面(5)中的物体场(4)进行成像。 在物场(4)的成像光束路径中布置第一反射镜(M1),并且在图像场(8)之前的成像光束路径中布置最后一个反射镜(M6)。 在展开成像光束路径中,属于中心物体场点的主射线(16)的撞击点位于每个反射镜(M1至M6)的有用面(23)上,其被配置为引导 成像光(3)具有与图像平面(9)的反射镜间隔(ZM)。 第一反射镜(M1)的反射镜间距(ZM1)大于最后一个反射镜(M6)的反射镜间距(ZM6)。 第四至最后一个反射镜(M3)的反射镜间距(zM3)大于第一反射镜(M1)的反射镜间隔(zM1)。 在本发明的另一方面,成像光学器件(36)的至少一个反射镜(M1至M6)的反射表面被构造为无法通过旋转对称功能描述的静态自由形式表面。 这与最适合于其的非球面不同,其可以通过旋转对称的功能来描述,其中自由形式表面的使用区域(23)的自由形式表面元件(20)的法线(FNB)是 被配置为引导成像光(3),将正常(FN)的最大值为70μrad的角度(a)与非球面(21)的对应的非球面表面元件(22)进行比较。 通过这两个方面,可以组合小的成像错误,可管理的生产和成像光的良好输出结果。
    • 10. 发明申请
    • MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 微波投影曝光装置
    • WO2009046895A1
    • 2009-04-16
    • PCT/EP2008/008251
    • 2008-09-29
    • CARL ZEISS SMT AGDODOC, AurelianBLEIDISTEL, SaschaCONRADI, OlafKAZI, Arif
    • DODOC, AurelianBLEIDISTEL, SaschaCONRADI, OlafKAZI, Arif
    • G03F7/20
    • G03F7/70891G03F7/70308
    • A microlithographic projection exposure apparatus (10) comprises a primary illumination system (12) producing projection light, a projection objective (20; 120) and a correction optical system. The latter comprises a secondary illumination system (30; 130), which produces an intensity distribution of correction light in a reference surface (48; 148), and a correction element (32; 132) which includes a heating material and is arranged in a plane (38; 174) being at least substantially optically conjugate to the reference surface (48; 148) such that the correction light and the projection light pass through at least one lens contained in the projection objective (20; 120) before they impinge on the correction element (32; 132). All lenses (34; L1 to L5) through which both the correction light and the projection light pass are made of a lens material which has a lower coefficient of absorption for the correction light than the heating material contained in the correction element.
    • 微光刻投影曝光装置(10)包括产生投影光的一次照明系统(12),投影物镜(20; 120)和校正光学系统。 后者包括二次照明系统(30; 130),其在参考表面(48; 148)中产生校正光的强度分布;以及校正元件(32; 132),其包括加热材料并且布置在 平面(38; 174)至少基本上与参考表面(48; 148)光学共轭,使得校正光和投影光在它们撞击之前穿过包含在投影物镜(20; 120)中的至少一个透镜 所述校正元件(32; 132)。 校正光和投影光通过的所有透镜(34; L1至L5)由与校正元件中包含的加热材料相比具有较低的校正光吸收系数的透镜材料制成。