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    PROJECTION EXPOSURE APPARATUS AND METHOD FOR OPERATING THE SAME
    1.
    发明申请
    PROJECTION EXPOSURE APPARATUS AND METHOD FOR OPERATING THE SAME 有权
    投影曝光装置及其操作方法

    公开(公告)号：US20080002167A1

    公开(公告)日：2008-01-03

    申请号：US11427183

    申请日：2006-06-28

    申请人： Toralf Gruner ,  Olaf Conradi ,  Nils Dieckmann ,  Markus Schwab ,  Olaf Hmann ,  Michael Totzeck ,  Daniel Kraehmer ,  Vladimir Kamenov

    发明人： Toralf Gruner ,  Olaf Conradi ,  Nils Dieckmann ,  Markus Schwab ,  Olaf Hmann ,  Michael Totzeck ,  Daniel Kraehmer ,  Vladimir Kamenov

    IPC分类号： G03B27/42 ,  G02B9/00

    CPC分类号： G03F7/70958 ,  G02B13/143 ,  G02B17/0856 ,  G02B17/0892 ,  G02B27/0012 ,  G03F7/70091

    摘要： The invention concerns a method for operating a projection exposure apparatus to project the image of a structure of an object (5) arranged in an object plane (6) onto a substrate (10) arranged in an image plane (8). The object (5) is illuminated with light of an operating wavelength of the projection exposure apparatus according to one of several adjustable exposure modes. The light produces changes in at least one optical element (9) of the projection exposure apparatus, by which the optical properties of the projection exposure apparatus are influenced. The operation of the projection exposure apparatus makes allowance for the influencing of the optical properties of the projection exposure apparatus or a quantity dependent on the former, being calculated approximately on the basis of the exposure mode used and the structure of the object (5).

    摘要翻译： 本发明涉及一种用于操作投影曝光装置以将布置在物平面（6）中的物体（5）的结构的图像投影到布置在图像平面（8）中的基板（10）上的方法。 根据多种可调曝光模式之一，物体（5）被投影曝光装置的工作波长的光照射。 该光在投影曝光装置的至少一个光学元件（9）中产生变化，由此影响投影曝光装置的光学特性。 投影曝光装置的操作允许基于所使用的曝光模式和对象（5）的结构大致计算投影曝光装置的光学特性或取决于前者的光学特性的影响。

    Projection exposure apparatus and method for operating the same
    2.
    发明授权
    Projection exposure apparatus and method for operating the same 有权
    投影曝光装置及其操作方法

    公开(公告)号：US07808615B2

    公开(公告)日：2010-10-05

    申请号：US11427183

    申请日：2006-06-28

    申请人： Toralf Gruner ,  Olaf Conradi ,  Nils Dieckmann ,  Markus Schwab ,  Olaf Dittmann ,  Michael Totzeck ,  Daniel Kraehmer ,  Vladimir Kamenov

    发明人： Toralf Gruner ,  Olaf Conradi ,  Nils Dieckmann ,  Markus Schwab ,  Olaf Dittmann ,  Michael Totzeck ,  Daniel Kraehmer ,  Vladimir Kamenov

    IPC分类号： G03B27/54 ,  G03B27/32

    CPC分类号： G03F7/70958 ,  G02B13/143 ,  G02B17/0856 ,  G02B17/0892 ,  G02B27/0012 ,  G03F7/70091

    摘要： The invention concerns a method for operating a projection exposure apparatus to project the image of a structure of an object (5) arranged in an object plane (6) onto a substrate (10) arranged in an image plane (8). The object (5) is illuminated with light of an operating wavelength of the projection exposure apparatus according to one of several adjustable exposure modes. The light produces changes in at least one optical element (9) of the projection exposure apparatus, by which the optical properties of the projection exposure apparatus are influenced. The operation of the projection exposure apparatus makes allowance for the influencing of the optical properties of the projection exposure apparatus or a quantity dependent on the former, being calculated approximately on the basis of the exposure mode used and the structure of the object (5).

    摘要翻译： 本发明涉及一种用于操作投影曝光装置以将布置在物平面（6）中的物体（5）的结构的图像投影到布置在图像平面（8）中的基板（10）上的方法。 根据多种可调曝光模式之一，物体（5）被投影曝光装置的工作波长的光照射。 该光在投影曝光装置的至少一个光学元件（9）中产生变化，由此影响投影曝光装置的光学特性。 投影曝光装置的操作允许基于所使用的曝光模式和对象（5）的结构大致计算投影曝光装置的光学特性或取决于前者的光学特性的影响。

    Method of determining lens materials for a projection exposure apparatus
    6.
    发明授权
    Method of determining lens materials for a projection exposure apparatus 有权
    确定投影曝光装置的透镜材料的方法

    公开(公告)号：US07239450B2

    公开(公告)日：2007-07-03

    申请号：US11181694

    申请日：2005-07-14

    申请人： Vladimir Kamenov ,  Daniel Kraehmer ,  Michael Totzeck ,  Toralf Gruner ,  Aurelian Dodoc

    发明人： Vladimir Kamenov ,  Daniel Kraehmer ,  Michael Totzeck ,  Toralf Gruner ,  Aurelian Dodoc

    IPC分类号： G02B3/00

    CPC分类号： G03F7/70891 ,  G02B1/02 ,  G02B1/08 ,  G02B17/0812 ,  G02B17/0892 ,  G03F7/70966

    摘要： A method of determining materials of lenses contained in an optical system of a projection exposure apparatus is described. First, for each lens of a plurality of the lenses, a susceptibility factor KLT/LH is determined. This factor is a measure of the susceptibility of the respective lens to deteriorations caused by at least one of lifetime effects and lens heating effects. Then a birefringent fluoride crystal is selected as a material for each lens for which the susceptibility factor KLT/LH is above a predetermined threshold. Theses lenses are assigned to a first set of lenses. For these lenses, measures are determined for reducing adverse effects caused by birefringence inherent to the fluoride crystals.

    摘要翻译： 描述了确定投影曝光装置的光学系统中所包含的透镜的材料的方法。 首先，对于多个透镜的每个透镜，确定敏感度因子K LT / LH 。 该因子是由寿命效应和透镜加热效果中的至少一种引起的各透镜对恶化的敏感性的量度。 然后选择双折射氟化物晶体作为敏感度因子K LT / LH <>高于预定阈值的每个透镜的材料。 这些镜头被分配到第一组透镜。 对于这些透镜，确定了减少由氟化物晶体固有的双折射引起的不利影响的措施。

    Method of determining lens materials for a projection exposure apparatus
    8.
    发明申请
    Method of determining lens materials for a projection exposure apparatus 有权
    确定投影曝光装置的透镜材料的方法

    公开(公告)号：US20060109560A1

    公开(公告)日：2006-05-25

    申请号：US11181694

    申请日：2005-07-14

    申请人： Vladimir Kamenov ,  Daniel Kraehmer ,  Michael Totzeck ,  Toralf Gruner ,  Aurelian Dodoc

    发明人： Vladimir Kamenov ,  Daniel Kraehmer ,  Michael Totzeck ,  Toralf Gruner ,  Aurelian Dodoc

    IPC分类号： G02B3/00

    CPC分类号： G03F7/70891 ,  G02B1/02 ,  G02B1/08 ,  G02B17/0812 ,  G02B17/0892 ,  G03F7/70966

    摘要： A method of determining materials of lenses contained in an optical system of a projection exposure apparatus is described. First, for each lens of a plurality of the lenses, a susceptibility factor KLT/LH is determined. This factor is a measure of the susceptibility of the respective lens to deteriorations caused by at least one of lifetime effects and lens heating effects. Then a birefringent fluoride crystal is selected as a material for each lens for which the susceptibility factor KLT/LH is above a predetermined threshold. Theses lenses are assigned to a first set of lenses. For these lenses, measures are determined for reducing adverse effects caused by birefringence inherent to the fluoride crystals.

    摘要翻译： 描述了确定投影曝光装置的光学系统中所包含的透镜的材料的方法。 首先，对于多个透镜的每个透镜，确定敏感度因子K LT / LH 。 该因子是由寿命效应和透镜加热效果中的至少一种引起的各透镜对恶化的敏感性的量度。 然后选择双折射氟化物晶体作为敏感度因子K LT / LH <>高于预定阈值的每个透镜的材料。 这些镜头被分配到第一组透镜。 对于这些透镜，确定了减少由氟化物晶体固有的双折射引起的不利影响的措施。

    Method of optimizing an objective with fluoride crystal lenses, and objective with fluoride crystal lenses
    9.
    发明授权
    Method of optimizing an objective with fluoride crystal lenses, and objective with fluoride crystal lenses 失效
    氟化物晶体透镜优化目标的方法，以及氟化物晶体透镜的目标

    公开(公告)号：US07321465B2

    公开(公告)日：2008-01-22

    申请号：US11071699

    申请日：2005-03-02

    申请人： Michael Totzeck ,  Vladimir Kamenov ,  Toralf Gruner

    发明人： Michael Totzeck ,  Vladimir Kamenov ,  Toralf Gruner

    IPC分类号： G02B27/28

    CPC分类号： G02B1/08 ,  G02B1/02 ,  G02B5/3083 ,  G02B13/143 ,  G03F7/70241 ,  G03F7/705 ,  G03F7/70966 ,  Y10S359/90

    摘要： A numerical optimizing method serves to reduce harmful effects caused by intrinsic birefringence in lenses of a fluoride crystal material of cubic crystal structure in an objective, particularly a projection objective for a microlithography system. Under the optimizing method, an optimizing function which takes at least one birefringence-related image aberration into account is minimized. The birefringence-related image aberration is determined from a calculation for a light ray passing through the fluoride crystal lenses. To the extent that the birefringence-related image aberration is a function of parameters of the light ray, it depends only on geometric parameters of the light ray. The numerical optimizing method is used to produce objectives in which an optical retardation as well as an asymmetry of the optical retardation are corrected. The lenses are arranged in homogeneous groups, where each homogeneous group is corrected for the optical retardation asymmetry.

    摘要翻译： 数值优化方法用于减少物镜中的立方晶体结构的氟化物晶体材料的透镜中的固有双折射引起的有害影响，特别是微光刻系统的投影物镜。 在优化方法下，考虑到至少一个双折射相关图像像差的优化函数被最小化。 从通过氟化物晶体透镜的光线的计算确定双折射相关图像像差。 在双折射相关图像像差是光线参数的函数的程度上，其仅取决于光线的几何参数。 使用数值优化方法来产生其中光学延迟以及光学延迟的不对称性被校正的目标。 透镜被排列成均匀的组，其中每个均匀组被校正用于光学延迟不对称。