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    • 1. 发明申请
    • Projection system for a lithograhic apparatus
    • 光刻设备投影系统
    • US20060139745A1
    • 2006-06-29
    • US11019672
    • 2004-12-23
    • Cheng-Qun GuiPieter De JagerRobert HarnedNora-Jean Harned
    • Cheng-Qun GuiPieter De JagerRobert HarnedNora-Jean Harned
    • G02B7/182
    • G03F7/70275G02B17/002G02B17/008G02B17/0812G03F7/70233
    • A projection system for a lithographic apparatus having a plurality of mirror imaging systems. In an embodiment, the mirror imaging systems are arranged in two rows with each row being perpendicular to a scanning direction of the projection system. Each mirror imaging systems has an associated imaging field. The mirror imaging systems are arranged in a manner that precludes gaps between adjacent imaging fields in the scanning direction. Each mirror imaging system includes a concave mirror and a convex mirror arranged concentrically with the concave mirror. The concave mirrors have a first mirror portion and a second mirror portion that are independently movable. In one embodiment, each of the mirror imaging systems has an associated phase, and the mirror imaging systems in one row are positioned 180 degrees out of phase with the mirror imaging systems in the other row.
    • 一种用于具有多个镜像成像系统的光刻设备的投影系统。 在一个实施例中,镜像成像系统布置成两行,每行垂直于投影系统的扫描方向。 每个镜像成像系统都具有相关的成像领域。 镜像成像系统以排除扫描方向上的相邻成像场之间的间隙的方式排列。 每个镜像成像系统包括与凹面镜同心地布置的凹面镜和凸面镜。 凹面镜具有可独立移动的第一反射镜部分和第二反射镜部分。 在一个实施例中,每个镜像成像系统具有相关联的相位,并且一行中的镜像成像系统与另一行中的镜像成像系统定位成180度异相。
    • 5. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20060001847A1
    • 2006-01-05
    • US10880435
    • 2004-06-30
    • Pieter De JagerCheng-Qun GuiPeter SpitEduard Hoeberichts
    • Pieter De JagerCheng-Qun GuiPeter SpitEduard Hoeberichts
    • G03B27/52
    • G03F7/70275G03F7/70291G03F7/70916G03F7/70983
    • A lithographic apparatus and method in which an illumination system supplies a projection beam of radiation, a patterning system imparts to the beam a pattern in its cross section, and a projection system projects the patterned beam onto a target portion of a substrate supported on a substrate table. The projection system comprises an array of lenses located at a spacing from the substrate such that each lens in the array focuses a respective part of the patterned beam onto the substrate. A displacement system causes relative displacement between the lens array and the substrate. A particle detector is positioned to detect particles on the substrate which are approaching the lens array as a result of relative displacement between the lens array and the substrate. A free working distance control system is arranged to increase the spacing between the lens array and the substrate in response to detection of a particle by the detector such that the lens array is moved away from the substrate as relative displacement causes the detected particle to pass the lens array. Thus damage to the lens array as a result of for example scratching by particles carried on the substrate surface can be avoided.
    • 一种光刻设备和方法,其中照明系统提供投影辐射束,图案化系统将光束赋予其横截面中的图案,并且投影系统将图案化的光束投影到支撑在衬底上的衬底的目标部分上 表。 投影系统包括位于与衬底间隔的透镜阵列,使得阵列中的每个透镜将图案化束的相应部分聚焦到衬底上。 位移系统导致透镜阵列和基底之间的相对位移。 定位粒子检测器以检测由于透镜阵列和基底之间的相对位移而正在接近透镜阵列的基底上的颗粒。 布置一个自由的工作距离控制系统以响应于检测器检测到的颗粒而增加透镜阵列和基板之间的间距,使得透镜阵列相对于基板移动离开基板,因为相对位移导致检测到的颗粒通过 镜头阵列 因此,可以避免由于例如由承载在基板表面上的颗粒划伤而导致的透镜阵列的损坏。
    • 6. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20060098175A1
    • 2006-05-11
    • US10983336
    • 2004-11-08
    • Pieter De JagerCheng-Qun GuiJacob KlinkhamerEduard Hoeberichts
    • Pieter De JagerCheng-Qun GuiJacob KlinkhamerEduard Hoeberichts
    • G03B27/00
    • G03F7/70475G03F7/70275G03F7/70291G03F7/70358
    • A lithographic apparatus and method for exposing a substrate. An illumination system supplies a series of beams of radiation that are patterned by an array of individually controllable elements. The patterned beams are projected through arrays of lenses onto target portions of a substrate. Each lens in the arrays directs a respective part of the patterned beam towards the substrate. A displacement system causes relative displacement between the substrate and the beam, such that the beams are scanned across the substrate in a predetermined scanning direction. The projection systems are positioned so that each beam is scanned along a respective one of a series of tracks on the substrate. The tracks overlap so that each track comprises a first portion that is scanned by one beam and at least one second portion that overlaps an adjacent track, and is scanned by two beams. A maximum intensity of a first part of each beam directed towards a first portion of the track can be greater than a maximum intensity of a second part of that beam directed towards a second portion of the track, such that the first and second portions of the track are exposed to radiation of substantially the same maximum intensity. Such overlapping of adjacent beams and modulation of the intensity of the beams can allow the optical footprints of different optical columns to be seamed together to enable exposure of large area substrates in a single scan.
    • 一种用于曝光衬底的光刻设备和方法。 照明系统提供一系列由单独可控元件的阵列构图的辐射束。 图案化的光束通过透镜阵列投射到基板的目标部分上。 阵列中的每个透镜将图案化束的相应部分朝向衬底引导。 位移系统引起衬底和梁之间的相对位移,使得束在预定扫描方向上跨过衬底扫描。 投影系统被定位成使得每个光束沿着衬底上的一系列轨道中的相应一个被扫描。 轨道重叠,使得每个轨道包括由一个梁扫描的第一部分和与相邻轨道重叠的至少一个第二部分,并且被两个梁扫描。 朝向轨道的第一部分的每个光束的第一部分的最大强度可以大于朝向轨道的第二部分的该光束的第二部分的最大强度,使得第一部分和第二部分 轨道暴露于基本上相同的最大强度的辐射。 相邻光束的这种重叠和光束强度的调制可以允许将不同光学柱的光学覆盖区缝合在一起以使得能够在单次扫描中暴露大面积的基板。
    • 8. 发明申请
    • Lithographic Apparatus and Device Manufacturing Method
    • 光刻设备和器件制造方法
    • US20070242246A1
    • 2007-10-18
    • US11733327
    • 2007-04-10
    • Cheng-Qun GUIPieter De JagerRobert-Han Munnig Schmidt
    • Cheng-Qun GUIPieter De JagerRobert-Han Munnig Schmidt
    • G03B27/42G01B3/00
    • G03F7/70291G03F7/70275G03F7/70308
    • A lithographic apparatus comprises an illumination system for supplying a beam of radiation, a patterning arrangement incorporating an array of individually controllable elements for imparting a pattern to the beam cross-section, a substrate table for supporting a substrate, and a projection system incorporating a microlens array for projecting the beam onto a target portion of the substrate. An error compensator is provided for supplying error correction values for compensating for the effect of positional errors in the microlens array, and a grey scale modulator is provided for supplying drive signals to controllable elements of the patterning arrangement in dependence on the error correction values in order to compensate for the effect of positional errors in the microlens array by varying the intensity of some parts of the pattern relative to other parts of the pattern.
    • 光刻设备包括用于提供辐射束的照明系统,包括用于将光束横截面赋予图案的独立可控元件阵列的图案化装置,用于支撑衬底的衬底台以及包含微透镜的投影系统 阵列,用于将光束投影到基板的目标部分上。 提供误差补偿器,用于提供用于补偿微透镜阵列中的位置误差的影响的误差校正值,并且提供灰度调制器,用于根据纠错值按顺序将驱动信号提供给图案化装置的可控元件 以通过相对于图案的其它部分改变图案的一些部分的强度来补偿微透镜阵列中位置误差的影响。