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    • 24. 发明授权
    • Projection exposure system
    • 投影曝光系统
    • US06707537B2
    • 2004-03-16
    • US10189279
    • 2002-07-02
    • Nils DieckmannJess KöhlerJohannes Wangler
    • Nils DieckmannJess KöhlerJohannes Wangler
    • G03B2754
    • G03F7/70141G02B27/0037G02B27/4222G02B27/4294G03F7/70108
    • A projection exposure system, in particular for microlithography, serves to generate an image of an object disposed in an object plane in an image plane. For this purpose, use is made of a light source emitting projection light, illumination optics disposed in the beam path between the light source and the object plane and projection optics disposed in the beam path between the object plane and the image plane. Disposed in the vicinity of a field plane of the illumination optics is at least one optical element that changes the angular illumination distribution of the projection light passing through. The change, impressed by the optical element, in the angular illumination distribution is non-rotationally symmetrical with respect to the optical axis. The optical element can be disposed in various angular positions around an axis perpendicular to the field plane. Such an optical element makes it possible to modify the symmetry of the angular illumination distribution flexibly.
    • 特别是用于微光刻的投影曝光系统用于在图像平面中产生设置在物平面中的物体的图像。 为此,使用发射投影光的光源,设置在光源和物平面之间的光束路径中的照明光学器件和布置在物平面和像平面之间的光束路径中的投影光学元件。 设置在照明光学器件的场平面附近的至少一个光学元件,其改变通过的投影光的角度照度分布。 角度照明分布中由光学元件照射的变化相对于光轴是非旋转对称的。 光学元件可以围绕垂直于场平面的轴设置在各种角度位置。 这样的光学元件使得可以灵活地改变角度照明分布的对称性。
    • 26. 发明授权
    • Projection objective with diaphragms
    • 投影目的与隔膜
    • US08488104B2
    • 2013-07-16
    • US13107011
    • 2011-05-13
    • Nils DieckmannAlexander WolfChristian HollandUlrich LoeringFranz Sorg
    • Nils DieckmannAlexander WolfChristian HollandUlrich LoeringFranz Sorg
    • G03B27/72G03B27/54
    • G03F7/70941G02B27/0043
    • A projection objective for imaging an object arranged in an object plane of the projection objective into an image of the object lying in an image plane of the projection objective has a multiplicity of transparent optical elements and holding devices for holding the optical elements at prescribable positions along an imaging beam path of the projection objective. Each of the optical elements has an optical useful region lying in the imaging beam path and an edge region lying outside the optical useful region. At least one holding element of the holding device assigned to the optical element acts at the edge region in the region of a contact zone. At least one of the optical elements is assigned a diaphragm arrangement with a false light diaphragm arranged directly upstream of the optical element and a second false light diaphragm arranged directly downstream of the optical element. Each of the false light diaphragms is fashioned in such a way that the false light diaphragm screens at least a part of the edge region against radiation running outside the imaging beam path.
    • 用于将布置在投影物镜的物平面中的物体成像为位于投影物镜的像平面中的物体的图像的投影物镜具有多个透明光学元件和用于将光学元件保持在规定位置的保持装置 投影物镜的成像光束路径。 每个光学元件具有位于成像光束路径中的光学有用区域和位于光学有用区域外部的边缘区域。 分配给光学元件的保持装置的至少一个保持元件作用在接触区域的边缘区域。 至少一个光学元件被分配有具有布置在光学元件的正上游的假光膜的膜片装置和直接布置在光学元件的下游的第二假光膜。 每个假光隔膜以这样的方式形成,使得假光隔膜将至少一部分边缘区域屏蔽到抵抗在成像光束路径外部运行的辐射。
    • 29. 发明授权
    • System for compensating directional and positional fluctuations in light produced by a laser
    • 用于补偿由激光产生的光的方向和位置波动的系统
    • US06512780B1
    • 2003-01-28
    • US09717560
    • 2000-11-21
    • Nils Dieckmann
    • Nils Dieckmann
    • H01S310
    • G03F7/70141G02B27/648G03F7/709
    • A beam splitter (4) arranged in a laser beam (2) and at least two beam-deflecting devices (7) are provided in a system for at least far-reaching compensation of directional and positional fluctuations in the light beam (2) produced by a laser (1), in particular for micro lithographic illuminating devices. The beam splitter (4) guides a partial beam (2a) directly onto an illuminating reference surface (3) of the illuminating device, while a further partial beam (2b) is led back to the beam splitter (4) via a detour (5) in which the at least two beam-deflecting devices (6, 7) are located, and is subsequently likewise fed to the illuminating reference surface (3).
    • 布置在激光束(2)中的分束器(4)和至少两个光束偏转装置(7)设置在用于至少深入地补偿所产生的光束(2)中的方向和位置波动的系统中 通过激光(1),特别是用于微光刻照明装置。 分束器(4)将部分光束(2a)直接引导到照明装置的照明参考表面(3)上,而另外的部分光束(2b)经由绕线(5)被引导回到分束器(4) ),其中所述至少两个光束偏转装置(6,7)位于,并且随后同样地被馈送到照明参考表面(3)。