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    • 2. 发明专利
    • Projection exposure method, system and objective
    • 投影曝光方法,系统和目标
    • JP2010187002A
    • 2010-08-26
    • JP2010047084
    • 2010-02-12
    • Carl Zeiss Smt Agカール・ツァイス・エスエムティー・アーゲー
    • JUERGENS DIRK DR
    • H01L21/027G02B13/14G02B13/18G02B13/24G02B17/08G03F7/20
    • G03F7/702G03F7/70058G03F7/70258
    • PROBLEM TO BE SOLVED: To provide a projection exposure method of exposing a radiation-sensitive substrate by at least one image of a mask pattern, to provide a projection exposure system, and to provide a projection objective. SOLUTION: This projection exposure method includes a step of exposing an exposure area of a radiation-sensitive substrate with at least one image of a pattern of a mask in a scanning operation which includes a step of moving the mask M relative to an effective object field of the projection objective PO and simultaneously moving the substrate relative to an effective image field of the projection objective in respective scanning directions. The method includes a step of changing imaging properties of the projection objective actively during the scanning operation according to a predetermined time profile to change dynamically at least one aberration of the projection objective between a beginning and an end of the scanning operation. The step of changing the imaging properties of the projection objective includes a step of changing an optical characteristic of a mirror arranged optically near a visual field surface in a projection beam path by changing a surface profile of the reflecting surface of the mirror in an optical used area. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供通过掩模图案的至少一个图像曝光辐射敏感基板的投影曝光方法,以提供投影曝光系统,并提供投影物镜。 解决方案:该投影曝光方法包括在扫描操作中用掩模图案的至少一个图像曝光辐射敏感基板的曝光区域的步骤,该扫描操作包括使掩模M相对于 投影物镜PO的有效物场,并且相对于投影物镜的有效像场同时移动基板。 该方法包括根据预定时间轮廓在扫描操作期间主动地改变投影物镜的成像特性以在扫描操作的开始和结束之间动态地改变投影物镜的至少一个像差的步骤。 改变投影物镜的成像特性的步骤包括通过改变光学用的反射镜的反射表面的表面轮廓来改变在投射光束路径中光学附近的镜子的光学特性的步骤 区。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Illumination system of microlithographic projection exposure apparatus
    • 微电子投影曝光装置照明系统
    • JP2010153875A
    • 2010-07-08
    • JP2009299525
    • 2009-12-22
    • Carl Zeiss Smt Agカール・ツァイス・エスエムティー・アーゲー
    • FIOLKA DAMIANMUELLER RALFMAJOR ANDRAS
    • H01L21/027G03F7/20
    • G03F7/70208G03F7/70116
    • PROBLEM TO BE SOLVED: To provide an illumination system of a microlithographic projection exposure apparatus which images a mask on a light sensitive surface, especially an illumination system accommodating a mirror array or other beam deflection elements, and a method of operating the microlithographic projection exposure apparatus. SOLUTION: An illumination system of a microlithographic projection exposure apparatus (10) includes a number of beam deflection elements. Each of the beam deflection elements (Mij) deflects an impinging light beam by a deflection angle that is variable in response to control signals. The light beam reflected from the beam deflection elements produces spots illuminated in a system pupil surface (70). The number of spots illuminated in the system pupil surface (70) in an exposure process, during which the mask is imaged on the light sensitive surface, is larger than the number of beam deflection elements (Mij). This is accomplished with the help of a beam multiplier unit (57) that multiplies the light beams reflected from the beam deflection elements (Mij). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在光敏表面上成像掩模的微光刻投影曝光装置的照明系统,特别是容纳反射镜阵列或其他光束偏转元件的照明系统,以及操作微光刻法的方法 投影曝光装置。 解决方案:微光刻投影曝光装置(10)的照明系统包括多个光束偏转元件。 每个光束偏转元件(Mij)使入射光束偏转响应于控制信号而变化的偏转角。 从光束偏转元件反射的光束产生在系统光瞳表面(70)中照亮的光斑。 在掩模在光敏表面上成像的曝光过程中在系统光瞳表面(70)中照射的光斑的数量大于光束偏转元件(Mij)的数量。 这是借助于将从光束偏转元件(Mij)反射的光束相乘的光束倍增器单元(57)来实现的。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Projection exposure method and projection exposure device for micro lithography
    • 投影曝光方法和投影曝光装置微雕刻
    • JP2010147482A
    • 2010-07-01
    • JP2009299557
    • 2009-12-22
    • Carl Zeiss Smt Agカール・ツァイス・エスエムティー・アーゲー
    • ZIMMERMANN JOERGFELDMANN HEIKOHEIL TILMANNGRAEUPNER PAULGEBHART ULRICH
    • H01L21/027
    • G03F7/70333G03F9/7026
    • PROBLEM TO BE SOLVED: To provide a projection exposure method and a projection exposure device suitable for performing this method.
      SOLUTION: A projection exposure method for exposing a radiation-sensitive substrate arranged on image surface area of a projection object appliance, which uses at least one image of mask pattern arranged on the object surface area of the projection object appliance, includes the steps of: exposing a substrate by means of a pattern image in valid image sight of the projection object appliance during exposure time interval; and changing relative position between the substrate surface and the focal surface of the projection object appliance during the exposure time interval, by means of a method for exposing an image point in valid image sight at a different focal position of a mask image during the exposure time interval. Active compensation applied to at least one portion of at least one imaging aberration induced by change of focal position during the projection time interval provides an effect that imaging quality is not deteriorated significantly by change of focus during the projection time interval.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供适于执行该方法的投影曝光方法和投影曝光装置。 解决方案:使用布置在投影对象器具的图像表面区域上的放射线敏感衬底的曝光方法,其使用布置在投影对象器具的物体表面上的至少一个掩模图案的图像,其包括: 步骤:在曝光时间间隔期间通过图案图像在投影对象器具的有效图像视野中曝光基板; 以及在曝光时间间隔期间通过用于在曝光时间期间在掩模图像的不同焦点位置曝光有效图像视觉中的图像点的方法来改变投影对象器具的基板表面和焦点表面之间的相对位置 间隔。 通过在投影时间间隔期间由焦点位置的改变引起的至少一个成像像差的至少一部分的有效补偿提供了在投影时间间隔期间通过焦点变化而不会显着降低成像质量的效果。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Optical integrator for illumination system of microlithographic projection exposure apparatus
    • 微晶投影曝光装置照明系统的光学积分器
    • JP2008182244A
    • 2008-08-07
    • JP2008014710
    • 2008-01-25
    • Carl Zeiss Smt Agカール・ツアイス・エスエムテイ・アーゲー
    • WANGLER JOHANNS
    • H01L21/027G02B3/00G03F7/20
    • PROBLEM TO BE SOLVED: To provide an optical integrator for an illumination system of a microlithographic projection exposure apparatus which can be manufactured by smaller effort. SOLUTION: An optical integrator for an illumination system of a microlithographic projection exposure apparatus (10) comprises: an optical axis; and an array of first microlenses (70X) which are arranged in a first plane, have first refractive power in an X-direction perpendicular to the optical axis (OA), and have widths smaller than 2 mm in the X-direction. The integrator is further provided with an array of second microlenses (72X) to which a similar description is applied. The first and the second mirolenses (70X, 72X) have refracting surfaces that are curved in forms of circular arcs in intersecting planes, and can thus be manufactured more easily. According to the present invention, the total refractive power is split between the first refractive power and the second refractive power in such an optimized way that, in spite of the simpler shape of the microlenses, the extreme approximation of irradiance distribution in a subsequent field plane is obtained. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于能够以更小的努力制造的微光刻投影曝光装置的照明系统的光学积分器。 解决方案:用于微光刻投影曝光设备(10)的照明系统的光学积分器包括:光轴; 以及布置在第一平面中的第一微透镜阵列(70X)在垂直于光轴(OA)的X方向上具有第一屈光力,并且在X方向上具有小于2mm的宽度。 积分器还设置有应用了相似描述的第二微透镜阵列(72X)。 第一和第二微通道(70X,72X)具有在交叉平面中以圆弧形弯曲的折射表面,因此可以更容易地制造。 根据本发明,总屈光力在第一屈光力和第二屈光力之间以这样一种优化的方式被分开,即尽管微透镜的形状更简单,但随后的场平面中的辐照度分布的极近似 获得。 版权所有(C)2008,JPO&INPIT