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    • 75. 发明专利
    • Imprint lithography apparatus and method
    • IMPRINT LITHOGRAPHY APPARATUS和方法
    • JP2014013915A
    • 2014-01-23
    • JP2013169108
    • 2013-08-16
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • KRUIJT-STEGEMAN YVONNE WENDELAJEUNINK ANDRE BERNARDUSJOHANNES PETRUS MARTINUS BERNARDUS
    • H01L21/027B29C59/02
    • G03F7/0002B29C2059/023B82Y10/00B82Y40/00G03F7/70716G03F7/70725G03F7/70766G03F7/70783
    • PROBLEM TO BE SOLVED: To prevent misalignment from residual strain in a substrate in a lithography apparatus.SOLUTION: An imprint lithography apparatus and manufacturing method can lead to mechanical stress being formed in a substrate to which an imprint pattern is being applied. This may cause strain within the substrate leading to misalignment of a subsequent pattern with an earlier pattern in a part of the substrate, which is strained. An apparatus and method is disclosed which allows stress relaxation in the substrate prior to further patterning in order to reduce, minimize or prevent such misalignment from residual strain. This is achieved by locally unclamping a portion of substrate (including arbitrarily the entire substrate) from a corresponding portion of a substrate holder so that mechanical stress leading to local strain may relax prior to further patterning. In order to overcome residual frictional force between the substrate and the substrate holder, the substrate and the substrate holder may be physically separated prior to further patterning.
    • 要解决的问题:为了防止光刻设备中的基板中的残余应变的不对准。解决方案:压印光刻设备和制造方法可以导致在施加印记图案的基板中形成机械应力。 这可能导致衬底内的应变导致随后的图案与基片的一部分中的较早的图案的未对准,其被应变。 公开了一种在进一步构图之前允许衬底中的应力松弛的装置和方法,以便减少,最小化或防止这种从残余应变的偏移。 这是通过从衬底保持器的相应部分局部松开衬底的一部分(包括任意整个衬底)来实现的,使得导致局部应变的机械应力在进一步图案化之前可能松弛。 为了克服衬底和衬底保持器之间的残余摩擦力,衬底和衬底保持器可以在进一步构图之前物理分离。
    • 78. 发明专利
    • Substrate-topography-aware lithography modeling
    • 基础 - 地形刻蚀建模
    • JP2013162126A
    • 2013-08-19
    • JP2013009062
    • 2013-01-22
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • RAN SONG
    • H01L21/027
    • G03F7/705G03F7/70625G03F7/70666G06F17/5009
    • PROBLEM TO BE SOLVED: To provide a method for simulating an image formed within a resist layer on a substrate resulting from an incident radiation.SOLUTION: Described herein is a method for simulating an image formed within a resist layer on a substrate resulting from an incident radiation, the substrate having a first feature and a second feature which underlie the resist layer, the method comprising: simulating a first partial image using interaction between the incident radiation and the first feature without using interaction between the incident radiation and the second feature; simulating a second partial image using the interaction between the incident radiation and of the second feature without using the interaction between the incident radiation and the first feature; and computing the image formed within the resist layer from the first partial image and the second partial image; where the interaction between the incident radiation and the first feature is different from the interaction between the incident radiation and the second feature.
    • 要解决的问题:提供一种用于模拟由入射辐射产生的基板上的抗蚀剂层中形成的图像的方法。解决方案:本文描述了一种用于模拟在事件所产生的基板上的抗蚀剂层内形成的图像的方法 所述衬底具有第一特征和位于所述抗蚀剂层下面的第二特征,所述方法包括:使用所述入射辐射与所述第一特征之间的相互作用来模拟所述第一部分图像,而不使用所述入射辐射与所述第二特征之间的相互作用; 使用入射辐射和第二特征之间的相互作用来模拟第二部分图像,而不使用入射辐射和第一特征之间的相互作用; 以及从所述第一部分图像和所述第二部分图像计算形成在所述抗蚀剂层内的图像; 其中入射辐射与第一特征之间的相互作用不同于入射辐射与第二特征之间的相互作用。
    • 80. 发明专利
    • Lithographic apparatus with deformation sensor
    • 具有变形传感器的平面设备
    • JP2013131745A
    • 2013-07-04
    • JP2012257929
    • 2012-11-26
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • JOHANNES HENDRIKUS MARIA SPRUITCATHARINA MARIA BEERENS RUUD ANTONIUSRICHARD HENRICUS ADRIANUS VAN LIESHOUTCRISTIAN DAN
    • H01L21/027G01B11/16
    • G03F7/70783G03B27/522G03F7/7085
    • PROBLEM TO BE SOLVED: To provide a lithographic apparatus with an improved deformation sensor that allows measurement of a deformation of a part of the lithographic apparatus with sufficient accuracy.SOLUTION: There is disclosed a lithographic apparatus comprising a member susceptible to deformation and a deformation sensor for measuring a deformation of said member. The deformation sensor comprises: a first birefringence sensing element arranged to be subjected to stress dependent on the deformation of said member; a light system configured to transmit polarized light through the first birefringence sensing element, where said polarized light has a first polarization state prior to being transmitted through the first birefringence sensing element; a detector for detecting a second polarization state of the polarized light after being transmitted through the first birefringence sensing element; and a calculation unit to determine the deformation of said member on the basis of the first and second polarization states.
    • 要解决的问题:为光刻设备提供改进的变形传感器,其允许以足够的精度测量光刻设备的一部分的变形。解决方案:公开了一种光刻设备,其包括易于变形的部件和变形传感器 用于测量所述构件的变形。 变形传感器包括:第一双折射感测元件,被布置成受到取决于所述构件的变形的应力; 光系统,被配置为透射通过所述第一双折射感测元件的偏振光,其中所述偏振光在透射通过所述第一双折射感测元件之前具有第一偏振态; 检测器,用于在透射通过第一双折射检测元件之后检测偏振光的第二偏振状态; 以及计算单元,用于基于第一和第二极化状态来确定所述构件的变形。