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    • 2. 发明申请
    • METHOD AND APPARATUS FOR MEASURING SCATTERED LIGHT ON AN OPTICAL SYSTEM
    • 用于测量光学系统上的散射光的方法和装置
    • WO2009021670A1
    • 2009-02-19
    • PCT/EP2008/006498
    • 2008-08-07
    • CARL ZEISS SMT AGARNZ, Michael
    • ARNZ, Michael
    • G03F7/20
    • G03F7/70941
    • A method of measuring scattered light on an optical system comprises the following steps: providing a first measuring field (22a) and a second measuring field (22b), both measuring fields respectively being either of a first light manipulation type or a second light manipulation type, which first light manipulation type is configured to cause incoming light to enter the optical system and which second light manipulation type is configured to prevent incoming light from entering the optical system, and both measuring fields respectively having a second light manipulation type reference structure (30) and a respective measuring structure, which measuring structures are of the second light manipulation type in the case where the measuring fields are of the first light manipulation type, and are first light manipulation type regions of the measuring fields in the case where the measuring fields are of the second light manipulation type, wherein the measuring structures of the respective measuring fields (22a, 22b) are offset in different directions in relation to the respective reference structure, imaging the first measuring field by means of the optical system into an image plane and measuring a first light intensity produced herewith at a location in the region of the image of the reference structure of the first measuring field, and imaging the second measuring field by means of the optical system into the image plane and measuring a second light intensity produced herewith at a location in the region of the image of the reference structure of the second measuring field.
    • 测量光学系统上的散射光的方法包括以下步骤:提供第一测量场(22a)和第二测量场(22b),测量场分别是第一光操作型或第二光操作型 所述第一光操作型被配置为使得入射光进入所述光学系统,并且所述第二光操作类型被配置为防止入射光进入所述光学系统,并且两个测量场分别具有第二光操作型参考结构(30 )和各测量结构,在测量场为第一光操作型的情况下,测量结构为第二光操作型,并且在测量场的情况下为测量场的第一光操作型区域 是第二光操纵型,其中各自的测量结构 相对于各个参考结构,沿着不同的方向偏移测量场(22a,22b),通过光学系统将第一测量场成像到图像平面中,并测量在此处产生的第一光强度 第一测量场的参考结构的图像,以及通过光学系统将第二测量场成像到图像平面中,并测量在此处产生的第二光强度,该第二光强度在参考结构的图像的区域中的位置处 第二个测量领域。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING THE POSITION OF A STRUCTURE ON A CARRIER RELATIVE TO A REFERENCE POINT OF THE CARRIER
    • 用于确定载体相对于载体的参考点的结构位置的方法和装置
    • WO2008071296A1
    • 2008-06-19
    • PCT/EP2007/010047
    • 2007-11-20
    • CARL ZEISS SMS GMBHARNZ, MichaelKLOSE, GerdTOTZECK, Michael
    • ARNZ, MichaelKLOSE, GerdTOTZECK, Michael
    • G06T7/00G03F9/00
    • G03F9/7092G03F1/84G03F7/70625G03F9/7088G06K9/3216G06K9/6203G06K2009/3225G06T7/74G06T2207/30148
    • A method is provided for determining the position of a structure on a carrier, relative to a reference point of the carrier, said method comprising the steps of: a) providing an image including a reference structure; b) recording an image of the structure on the carrier by means of a recording device, with a known recording position relative to the reference points; c) superimposing the two images to form one superimposed image; d) determining the image distance of the two structures in the superimposed image; e) shifting the two structures in the superimposed image relative to one another, depending on the determined image distance; f) checking whether the determined image distance is below a predetermined maximum value; wherein, if the image distance is below the maximum value, the method is continued in step g), and, if the image distance is not below the maximum value, steps d) - f) are repeated, taking into account the determined image distance/distances; g) determining the position of the structure relative to the reference point, on the basis of the recording position in step b) and of the image distance/image distances determined in step(s) d).
    • 提供了一种用于确定载体上的结构相对于载体的参考点的位置的方法,所述方法包括以下步骤:a)提供包括参考结构的图像; b)通过记录装置将结构的图像记录在载体上,具有相对于参考点的已知记录位置; c)叠加两个图像以形成一个叠加的图像; d)确定叠加图像中两个结构的图像距离; e)根据所确定的图像距离,相对于彼此移动叠加图像中的两个结构; f)检查确定的图像距离是否低于预定的最大值; 其中,如果图像距离低于最大值,则在步骤g)中继续该方法,并且如果图像距离不低于最大值,则重复步骤d)至f),同时考虑所确定的图像距离 /距离; g)基于步骤b)中的记录位置和步骤(d)中确定的图像距离/图像距离来确定结构相对于参考点的位置。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING THE RELATIVE OVERLAY SHIFT OF STACKED LAYERS
    • 用于确定堆叠层相对叠加的方法和装置
    • WO2008145210A1
    • 2008-12-04
    • PCT/EP2008/001844
    • 2008-03-07
    • CARL ZEISS SMS GMBHARNZ, MichaelKLOSE, Gerd
    • ARNZ, MichaelKLOSE, Gerd
    • G03F7/20
    • G03F7/70633
    • A method is provided for determining the relative overlay shift of stacked layers, said method comprising the steps of: a) providing a reference image including a reference pattern that comprises first and second pattern elements; b) providing a measurement image of a measurement pattern, which comprises a first pattern element formed by a first one of the layers and a second pattern element formed by a second one of the layers; c) weighting the reference or measurement image such that a weighted first image is generated, in which the first pattern element is emphasized relative to the second pattern element; d) determining the relative shift of the first pattern element on the basis of the weighted first image and of the measurement or reference image not weighted in step c); e) weighting the reference or measurement image such that a weighted second image is generated, in which the second pattern element is emphasized relative to the first pattern element; f) determining the relative shift of the second pattern element on the basis of the weighted second image and of the measurement or reference image not weighted in step e); g) determining the relative overlay shift on the basis of the relative shifts determined in steps d) and f).
    • 提供了一种用于确定堆叠层的相对重叠移位的方法,所述方法包括以下步骤:a)提供包括包括第一和第二图案元素的参考图案的参考图像; b)提供测量图案的测量图像,其包括由所述层中的第一层形成的第一图案元件和由所述层中的第二层形成的第二图案元素; c)对所述参考或测量图像进行加权,使得生成加权的第一图像,其中所述第一图案元素相对于所述第二图案元素被加强; d)基于加权的第一图像和在步骤c)中未加权的测量或参考图像来确定第一图案元素的相对移位; e)对所述参考或测量图像进行加权,使得生成加权的第二图像,其中相对于所述第一图案元素强调所述第二图案元素; f)基于加权的第二图像和在步骤e)中未加权的测量或参考图像来确定第二图案元素的相对移位; g)基于在步骤d)和f)中确定的相对移动来确定相对重叠移位。
    • 6. 发明申请
    • AUTOFOKUSVORRICHTUNG UND AUTOFOKUSSIERVERFAHREN FÜR EINE ABBILDUNGSVORRICHTUNG
    • 支持自动对焦和设备对图片的自动对焦装置
    • WO2009092555A1
    • 2009-07-30
    • PCT/EP2009/000313
    • 2009-01-20
    • CARL ZEISS SMS GMBHARNZ, MichaelBETZ, VolkmarKLOSE, GerdLEVTONOV, Mikhail
    • ARNZ, MichaelBETZ, VolkmarKLOSE, GerdLEVTONOV, Mikhail
    • G02B21/24
    • G02B21/244G02B21/245
    • Es wird bereitgestellt eine Autofokusvorrichtung für eine Abbildungsvorrichtung, die eine Abbildungsoptik (9) mit einer ersten Fokusebene (20) und einen Objekttisch (11) zum Bewegen eines abzubildenden Objektes (3) relativ zur ersten Fokusebene (20) aufweist, wobei die Autofokusvorrichtung (1) a) ein Bildaufnahmemodul (9) mit einer zweiten Fokusebene, deren Lage relativ zur ersten Fokusebene (20) bekannt ist, b) ein Beleuchtungsmodul (BM) zum Abbilden eines Fokussierbildes entlang eines Beleuchtungsstrahlenganges in eine Fokussierbildebene derart, daß, wenn das Objekt in einer Sollposition mit einem vorbestimmten Abstand zur zweiten Fokusebene positioniert ist, der Beleuchtungsstrahlengang aufgrund Reflexion am Objekt gefaltet ist und das in der Fokussierbildebene liegende Fokussierbild die zweite Fokusebene schneidet oder in dieser liegt, und c) ein Steuermodul umfaßt, das zum Fokussieren der Abbildungsvorrichtung (9) den Objekttisch (11) so ansteuert, daß das Objekt (3) in der Sollposition positioniert ist, aus einem Signal des Bildaufnahmemoduls, das das Bildaufnahmemodul anhand seiner Aufnahme des Fokussierbildes, wenn das Objekt in der Sollposition positioniert ist, erzeugt, die Abweichung der Objektposition von der Sollposition ableitet und basierend auf der abgeleiteten Abweichung, dem vorbestimmten Abstand und der relativen Lage der ersten und zweiten Fokusebene den Objekttisch so ansteuert, daß das Objekt in der ersten Fokusebene positioniert ist.
    • 提供了一种用于成像装置具有用于移动物体的成像光学系统(9),具有第一焦平面(20)和载物台(11)的自动聚焦装置(3)相对于所述第一焦平面(20),其中,所述自动聚焦装置将被成像(1 )a)具有第二焦平面,其位置(相对于所述第一焦平面20)的图像采集模块(9)是已知的,b)一种照明模块(BM),用于在聚焦图像,使得沿着照明光束路径成像的聚焦图像时,对象在 目标位置被定位在从所述照明光束路径的第二焦点平面的预定距离被折叠由于在物体的聚焦躺在聚焦图像中的相交的第二焦平面反射和或位于其中,以及c)包括控制模块(9用于聚焦在成像装置 ),以便控制所述物体台(11),在这样的物品(3) llposition被定位时,从图像拾取模块的信号与参照其列入当对象被定位在期望的位置聚焦的生成图像拾取模块,导出从目标位置的对象位置的偏差,并基于所导出的偏差,预定距离和 在第一和第二焦平面的相对位置以驱动对象表,使该对象被定位在所述第一焦平面。
    • 7. 发明申请
    • DETERMINATION OF THE RELATIVE POSITION OF TWO STRUCTURES
    • 确定两个结构的相对位置
    • WO2011012265A1
    • 2011-02-03
    • PCT/EP2010/004517
    • 2010-07-23
    • CARL ZEISS SMS GMBHARNZ, MichaelSEIDEL, Dirk
    • ARNZ, MichaelSEIDEL, Dirk
    • G03F7/20G03F1/00
    • G03F7/70633G03F7/70625
    • A method is provided for determining the position of a first structure (8a) relative to a second structure (8b) or a part thereof, said method having the steps of: a) providing a first picture (Fl) having a multiplicity of pixels and which contains the first structure, b) providing a second picture (F2) having a multiplicity of pixels and which contains the second structure, c) forming an optimization function with the displacement of the two pictures relative to one another as parameter, the optimization function overlying the two pictures and masking the overlay such that in a determination of an extreme value of the optimization function a contribution is made only by the region of the overlay that corresponds to the second structure or the part thereof, d) ascertaining the extreme value of the optimization function and determining the optimal value of the displacement based on the extreme value of the optimization function, and e) determining the position of the first structure relative to the second structure or a part thereof with the optimal displacement value ascertained in step d).
    • 提供一种用于确定第一结构(8a)相对于第二结构(8b)或其一部分的位置的方法,所述方法具有以下步骤:a)提供具有多个像素的第一图像(F1)和 其包含第一结构,b)提供具有多个像素并且包含第二结构的第二图像(F2),c)形成具有两个图像相对于彼此的位移的优化函数作为参数,优化函数 覆盖两个图片并掩盖覆盖层,使得在确定优化函数的极值时,仅通过对应于第二结构或其部分的覆盖区域进行贡献,d)确定最优值 优化函数,并根据优化函数的极值确定位移的最优值,以及e)确定第一结构关系的位置 具有在步骤d)中确定的最佳位移值的第二结构或其一部分。