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    • 2. 发明申请
    • MICROLITHOGRAPHIC APPARATUS AND METHOD OF VARYING A LIGHT IRRADIANCE DISTRIBUTION
    • 微光学设备和改变光线辐射分布的方法
    • WO2014154229A1
    • 2014-10-02
    • PCT/EP2013/000952
    • 2013-03-28
    • CARL ZEISS SMT GMBH
    • WALTER, HolgerWOLF, Alexander
    • G03F7/20G02B27/58
    • G03F7/70883G02B27/58G03F7/70091G03F7/70266G03F7/70308
    • A microlithographic apparatus (10) comprises an objective (20) that comprises a transmission filter (42) that is configured to variably modify a light irradiance distribution in a projection light path. The transmission filter (42) comprises a plurality of gas outlet apertures (44, 144) that are configured to emit gas flows (72, 172) that pass through a space (55) through which projection light (PL) propagates during operation of the microlithographic apparatus (10). The transmission filter (42) further comprises a control unit (48) which is configured to vary a number density of ozone molecules in the gas flows (72, 172) individually for each gas flow. In this manner it is possible to finally adjust the transmittance distribution (TD42) of the transmission filter (42).
    • 微光刻设备(10)包括物镜(20),其包括被配置为可变地修改投影光路中的光照度分布的透射滤光器(42)。 传输过滤器(42)包括多个气体出口孔(44,144),其被配置成发射通过空间(55)的气流(72,172),在空间(55)中,投影光(PL)在操作期间传播通过该空间 微光刻设备(10)。 透射过滤器(42)还包括控制单元(48),其被配置为针对每个气体流量分别改变气体流(72,172)中的臭氧分子的数量密度。 以这种方式,可以最终调整透射过滤器(42)的透射率分布(TD42)。
    • 6. 发明申请
    • METHOD OF OPERATING A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS AND PROJECTION OBJECTIVE OF SUCH AN APPARATUS
    • 微型投影曝光装置的操作方法和这种装置的投影目的
    • WO2013113336A1
    • 2013-08-08
    • PCT/EP2012/000508
    • 2012-02-04
    • CARL ZEISS SMT GMBHWALTER, HolgerBITTNER, Boris
    • WALTER, HolgerBITTNER, Boris
    • G03F7/20G02B7/02G02B27/00
    • G03F7/70891G02B7/028G02B27/0068G03F7/70266G03F7/70308
    • A projection objective of a microlithographic projection ex- posure apparatus (10) has a wavefront correction device (42) comprising a first refractive optical element (44) and a sec¬ ond refractive optical element (54). The first refractive op- tical element comprises a first optical material having, for an operating wavelength of the apparatus, an index of refrac- tion that decreases with increasing temperature. The second refractive optical element comprises a second optical mate¬ rial having, for an operating wavelength of the apparatus, an index of refraction that increases with increasing tempera- ture. In a correction mode of the correction device (42), a first heating device (46; 146) produces a non-uniform and variable first temperature distribution in the first optical material, and a second heating device (56; 156) produces a non-uniform and variable second temperature distribution in the second optical material.
    • 微光刻投影实现装置(10)的投影物镜具有包括第一折射光学元件(44)和第二折射光学元件(54)的波前校正装置(42)。 第一折射光学元件包括第一光学材料,对于装置的工作波长,具有随着温度升高而降低的反射指数的第一光学材料。 第二折射光学元件包括第二光学材料,对于设备的工作波长,其随着温度升高而增加的折射率。 在校正装置(42)的校正模式中,第一加热装置(46; 146)在第一光学材料中产生不均匀且可变的第一温度分布,第二加热装置(56; 156) 在第二光学材料中均匀且可变的第二温度分布。
    • 10. 发明公开
    • PROJECTION EXPOSURE APPARATUS WITH OPTIMIZED ADJUSTMENT POSSIBILITY
    • 麻省理工学院麻省理工学院优质学士JUSTIERUNG PROJEKTIONSBELICHTUNGSVORRICHTUNG MIT DERMÖGLICHKEITOPTIMIERTER JUSTIERUNG
    • EP2329321A1
    • 2011-06-08
    • EP09783195.2
    • 2009-09-18
    • Carl Zeiss SMT GmbH
    • BITTNER, BorisWALTER, HolgerRÖSCH, Matthias
    • G03F7/20
    • G03F7/70525G03F7/70191G03F7/70266G03F7/70308G03F7/705G03F7/70533G03F7/70891
    • A projection apparatus for microlithography for imaging an object field includes an objective, one or a plurality of manipulators for manipulating one or a plurality of optical elements of the objective, a control unit for regulating or controlling the one or the plurality of manipulators, a determining device for determining at least one or a plurality of image aberrations of the objective, a memory comprising upper bounds for one or a plurality of specifications of the objective, including upper bounds for image aberrations and/or movements for the manipulators, wherein when determining an overshooting of one of the upper bounds by one of the image aberrations and/or an overshooting of one of the upper bounds by one of the manipulator movements by regulation or control of at least one manipulator within at most 30000 ms, or 10000 ms, or 5000 ms, or 1000 ms, or 200 ms, or 20 ms, or 5 ms, or 1 ms, an undershooting of the upper bounds can be effected.
    • 用于对物场进行成像的微光刻投影装置包括物镜,用于操纵物镜的一个或多个光学元件的一个或多个操纵器,用于调节或控制一个或多个操纵器的控制单元, 用于确定所述物镜的至少一个或多个像差的装置,包括所述物镜的一个或多个规格的上限的存储器,包括用于所述机械手的图像像差和/或移动的上限,其中当确定 或者通过在至少30000ms或10000ms内对至少一个操纵器进行调节或控制,通过其中一个操纵器移动来超图像中的一个图像像差中的一个上限和/或上限之一,或 5000ms或1000ms,或200ms,或20ms,或5ms或1ms,可以实现上限的下冲。