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    • 2. 发明申请
    • ILLUMINATION DEVICE AND POLARISER FOR A MICROLITHOGRAPHIC PROJECTION EXPOSURE INSTALLATION
    • 照明装置和偏振器一种用于微光刻投影曝光装置
    • WO2005017620A3
    • 2005-07-28
    • PCT/EP2004008892
    • 2004-08-09
    • ZEISS CARL SMT AGFIOLKA DAMIANSCHOLZ AXELMAUL MANFRED
    • FIOLKA DAMIANSCHOLZ AXELMAUL MANFRED
    • G03F7/20
    • G03F7/70058G03F7/70566
    • The invention relates to an illumination device for a microlithographic projection exposure installation, said device comprising a light source (1) for generating projection light, a masking device (5) for masking a reticle (R), and a masking objective (6) for imaging the masking device (5) onto the reticle (R). A polariser (10) for generating linearly polarised light is also arranged in the masking objective (6). Said polariser (10) can, for example, be provided with polarisation-selective beam splitter layers (54, 56; 154, 156; 292, 294) that are arranged at an angle to each other, are light-permeable in a first polarisation state (68), and are light-reflective in a second polarisation state (70) different to the first polarisation state (68). In this way, the polariser (10) generally has a very flat structural form.
    • 用于微光刻投影曝光设备的照明装置包括:光源(1),用于生成投影光,掩蔽装置(5),用于掩蔽掩模版(R)和掩蔽透镜(6),用于在光罩(R)成像掩蔽装置(5)。 另外,在透镜罩(6),用于产生线性偏振光的偏振片(10)布置。 它们是透明的光在第一偏振态(68)和用于光在(第一偏振状态68的偏振器(10),例如一角度布置成彼此偏振选择性分束层(292,294 54,56; 154,156) )不同的第二偏振状态(70)是反射的。 这导致偏振器(10)的整体非常平坦的设计。
    • 7. 发明申请
    • SYSTEM FOR REDUCING THE COHERENCE OF LASER RADIATION
    • 系统来降低激光辐射的一致性
    • WO2005083511A3
    • 2005-12-01
    • PCT/EP2005001797
    • 2005-02-22
    • ZEISS CARL SMT AGDIECKMANN NILSMAUL MANFREDFIOLKA DAMIAN
    • DIECKMANN NILSMAUL MANFREDFIOLKA DAMIAN
    • G03F7/20
    • G03F7/70583G03F7/70058
    • The invention relates to a system for reducing the coherence of a wave front-emitting laser radiation (10), especially for a projection lens for use in semiconductor lithography, wherein a first partial beam (10a) of a laser beam (10) incident on a surface (11) of a resonator body (9) is partially reflected. A second partial beam (10b) penetrates the resonator body (9) and emerges from the resonator body (9) at least approximately in the area of entry after a plurality of total internal reflections. The two partial beams (10a and 10b) are then passed on jointly to an illumination plane. The resonator body (9) is adapted, in addition to splitting the laser beam into partial beams (10a, 10b), to modulate the wave fronts of at least one partial beam (10b) during a laser pulse. The partial beams (10a, 10b) reflected on the resonator body (9) and penetrating the resonator body are superimposed downstream of the resonator body (9). The resonator body (9, 9') is provided with a phase plate (12) having different local phase distribution.
    • 在用于减少的波阵面发射激光辐射(10)的一致性,特别是用于在半导体光刻的投射物镜的系统中,从谐振器的表面(11)(9)入射激光束(10)部分地反射第一部分光束(10A)。 第二部分光束(10b)的至少约进入谐振器(9)和出口由多个全反射在进入点的区域背面从谐振器(9)。 随后,将两个子光束(10a和10b)被传递到一个公共照明平面。 的谐振器(9)被设计为使得除了分成子光束(10A,10B)的波阵面被激光脉冲期间调制的至少一个偏光束(10b)的,反射的,在所述谐振器(9)和进入所述谐振器 分光束(10A,10B)是由所述谐振器重叠(9),并且其中所述Resonatorkkörper(9,9“)设置有相位差板(12)具有变化的本地相位分布。
    • 8. 发明申请
    • ILLUMINATION SYSTEM FOR A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 微型投影曝光装置的照明系统
    • WO2005015310A3
    • 2005-07-28
    • PCT/EP2004007926
    • 2004-07-15
    • ZEISS CARL SMT AGDEGUENTHER MARKUSMAUL MANFREDFIOLKA DAMIAN
    • DEGUENTHER MARKUSMAUL MANFREDFIOLKA DAMIAN
    • G03F7/20
    • G03F7/70058G03F7/70066G03F7/70158G03F7/70191
    • An illumination system for a microlithographic projection exposure apparatus includes a light source (12) for generating a projection light beam, a first objective (20) and a masking system (38, 52) for masking a reticle (30). The masking system (38, 52) includes adjustable first blades (40) for masking in a first spatial direction (X) and adjustable second blades (54, 56) for masking in a second spatial direction (Y). The first blades (40) are arranged in the region of a first field plane (36) and the second blades (54, 56) are arranged in the region of the second field plane (44) which are different to the first field plane (36). The masking system can therefore be made spatially less concentrated, whereby constructional difficulties in the region of the field plane before the masking objective resulting from space requirement problems are reduced. A further contribution is made to solving the space requirement problem if an attenuation system for achieving the most uniform possible light intensity in the wafer plane (122) includes a transmission filter (162) which has locally varying transmissivity and can be moved synchronously with traversing movements of the reticle (30).
    • 一种用于微光刻投影曝光装置的照明系统包括用于产生投影光束的光源(12),第一物镜(20)和用于掩蔽标线片(30)的掩蔽系统(38,52)。 掩蔽系统(38,52)包括用于在第一空间方向(X)上掩蔽的可调整第一刀片(40)和用于在第二空间方向(Y)上掩蔽的可调整第二刀片(54,56)。 第一叶片(40)布置在第一场平面(36)的区域中,并且第二叶片(54,56)布置在第二场平面(44)的与第一场平面(44)不同的区域中 36)。 因此掩蔽系统可以在空间上较少集中,由此减少了空间需求问题导致掩蔽目标之前的场平面区域中的结构困难。 如果用于在晶片平面(122)中获得最均匀的可能光强度的衰减系统包括透射滤波器(162),该透射滤波器(162)具有局部变化的透射率并且可以与横向运动同步地移动,则对解决空间需求问题做出进一步的贡献 (30)。