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    • 21. 发明专利
    • Lithography projection apparatus
    • LITHOGRAPHY投影设备
    • JP2010258470A
    • 2010-11-11
    • JP2010151194
    • 2010-07-01
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • DE SMIT JOANNES THEODOORBANINE VADIM YEVGENYEVICHBISSCHOPS THEODORUS HUBERTUS JMODDERMAN THEODORUS MARINUSDIERICHS MARCLE MATHIJS T M
    • H01L21/027B01D19/00G03F7/20
    • G03F7/70341G03F7/708G03F7/70858
    • PROBLEM TO BE SOLVED: To improve the lithography performance of an apparatus having a liquid that fills the space between a final element of a projection system and a substrate. SOLUTION: A lithographic apparatus and a device manufacturing method make use of a high-refractive index liquid, confined in a reservoir 13, at least partly filling a lithography field between a final element of a projection lens and the substrate. Bubbles forming in the liquid resulting from dissolved atmospheric gases or the gas discharge from an apparatus element exposed to the liquid are detected and removed so that they do not interfere with the exposure, to cause burning defects on the substrate. The detection can be carried out, by measuring the frequency dependence of ultrasonic attenuation in the liquid and the removal of bubbles can be implemented by: degassing and pressurizing the liquid; isolating the liquid from the atmosphere; supplying a continuous flow of liquid through the lithography field using liquids of low surface tension; and further, phase-shifting the ultrasonic standing-wave nodes. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提高具有填充投影系统的最终元件和基板之间的空间的液体的装置的光刻性能。 解决方案:光刻设备和器件制造方法利用限制在储存器13中的高折射率液体,至少部分地填充投影透镜的最终元件与基底之间的光刻场。 检测并除去由溶解的大气气体引起的液体中形成的气泡或暴露于液体的装置元件的气体排出,使得它们不干扰曝光,引起基板上的燃烧缺陷。 可以通过测量液体中超声波衰减的频率依赖性进行检测,并且可以通过以下方式实现气泡的去除:对液体进行脱气和加压; 从大气隔离液体; 使用低表面张力的液体通过光刻领域提供连续的液体流; 并且进一步移相超声波驻波节点。 版权所有(C)2011,JPO&INPIT
    • 27. 发明专利
    • Lithographic projection apparatus with condenser including concave face and convex face
    • 具有冷凝器的平面投影装置,包括凹凸面和凸面
    • JP2004343082A
    • 2004-12-02
    • JP2004105027
    • 2004-03-31
    • Asml Netherlands Bvエイエスエムエル ネザランドズ ベスローテン フエンノートシャップ
    • BANINE VADIM YEVGENYEVICH
    • G02B17/06G03F7/20H01L21/027
    • G03F7/70175
    • PROBLEM TO BE SOLVED: To provide a lithographic projection apparatus in which an ML condenser has been substituted by a condenser that can form a radiation beam by collecting a radiated light within a solid angle which is equivalent to the solid angle within which the ML condenser collects the radiated light.
      SOLUTION: The lithographic apparatus to be disclosed includes a radiation source that emits the radiated light and at least one condenser (59; 63; 73) that collects the radiated light by being arranged close to the radiation source (51) and forms a radiated beam (52). The at least one condenser includes a first reflector on a concave-face mirror (53) and a second reflector on a convex-face mirror (55). The concave-face mirror (53) is arranged surrounding the convex-face mirror (55). The first reflector on the concave-face mirror (53) receives the radiated light from the radiation source (51). The first reflector reflects the received radiated light toward the second reflector on the convex-face mirror (55) to form a beam of the radiated light (52).
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种光刻投影装置,其中ML冷凝器已经被可以形成辐射束的聚光器取代,该聚光器通过以等于立体角的立体角收集辐射光, ML冷凝器收集辐射光。 解决方案:待公开的光刻设备包括发射辐射光的辐射源和通过靠近辐射源(51)布置而收集辐射光的至少一个冷凝器(59; 63; 73),并形成 辐射束(52)。 所述至少一个聚光器包括凹面镜(53)上的第一反射器和凸面镜(55)上的第二反射器。 凹面镜53围绕凸面镜55配置。 凹面反射镜(53)上的第一反射器接收来自辐射源(51)的辐射光。 第一反射器将接收到的辐射光反射到凸面反射镜(55)上的第二反射器,以形成辐射光束(52)。 版权所有(C)2005,JPO&NCIPI