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    • 32. 发明授权
    • Alignment method and apparatus and exposure apparatus
    • 对准方法及装置及曝光装置
    • US07190455B2
    • 2007-03-13
    • US10762599
    • 2004-01-21
    • Takahiro Matsumoto
    • Takahiro Matsumoto
    • G01B11/00G06F17/50
    • G03F9/7046
    • A method for detecting disposition of plurality of exposure shot areas of an object that is to be exposed includes a first detection step of detecting the alignment marks on the object, an evaluation step of evaluating randomness of the alignment marks based on the detection result by the first detection step, a determination step of determining a number smaller than the total number of alignment marks on the object based on the evaluation result by the evaluation step, and a second detection step of detecting the disposition of the plurality of exposure shot areas by detecting alignment marks corresponding to the number determined by the determination step.
    • 一种用于检测要曝光的对象的多个曝光拍摄区域的配置的方法包括:检测对象上的对准标记的第一检测步骤;基于检测结果的对准标记的随机性的评估步骤; 第一检测步骤,基于评估步骤的评估结果确定小于对象上的对齐标记总数的数字的确定步骤;以及第二检测步骤,通过检测多个曝光拍摄区域的配置来检测 对应于由确定步骤确定的数量的对准标记。
    • 36. 发明申请
    • Position detecting device and position detecting method
    • 位置检测装置和位置检测方法
    • US20050259257A1
    • 2005-11-24
    • US11190168
    • 2005-07-27
    • Takahiro MatsumotoHideki Ina
    • Takahiro MatsumotoHideki Ina
    • G01B11/00G03F7/20G03F9/00H01L21/027H01L21/68
    • G03F9/7088G03F7/70633G03F9/7003G03F9/7046G03F9/7065G03F9/7069G03F9/7092
    • A position detection method for detecting the position of marks comprises the following steps: a step for detecting first information relating to the position of the mark by detecting light from the mark under first measurement conditions; a step for detecting second information relating to the position of the mark by detecting light from the mark under second measurement conditions which differ from the first measurement conditions; and a step for detecting the position of the mark based on the first and second information, thereby providing a high-precision position detecting method and device serving as an alignment or overlaying detection device in an exposure apparatuses used in manufacturing semiconductor devices, wherein position detection precision is not lost even in the event that the alignment marks are not symmetrical or there are irregularities in the non-symmetry of multiple alignment marks within the same wafer.
    • 用于检测标记位置的位置检测方法包括以下步骤:通过在第一测量条件下检测来自标记的光来检测与标记的位置有关的第一信息的步骤; 通过在与第一测量条件不同的第二测量条件下检测来自标记的光来检测与标记的位置有关的第二信息的步骤; 以及基于第一和第二信息来检测标记的位置的步骤,从而在用于制造半导体器件的曝光装置中提供用于对准或重叠检测装置的高精度位置检测方法和装置,其中位置检测 即使在对准标记不对称或在同一晶片内的多个对准标记的非对称性中存在不规则性的情况下,精度也不会降低。
    • 38. 发明授权
    • Liquid crystal composition
    • 液晶组成
    • US06372308B1
    • 2002-04-16
    • US09521956
    • 2000-03-09
    • Yasue YoshiokaMasahiro JohnoTomoyuki YuiTakahiro Matsumoto
    • Yasue YoshiokaMasahiro JohnoTomoyuki YuiTakahiro Matsumoto
    • C09K1912
    • C09K19/0266C09K19/2021Y10T428/10
    • A liquid crystal composition includes (1) an anti-ferroelectric liquid crystal compound of formula (1) and (2) a ferrielectric liquid crystal compound or racemic compound thereof. The composition ratio of (1) to (2) is in the range extending from a value which extends from within 5 mol % of the boundary compositional ratio on the anti-ferroelectric phase side and to within 25 mol % of the boundary compositional ratio on the ferrielectric phase side. The boundary compositional ratio is obtained on the basis of a liquid crystal phase diagram prepared on the basis of conoscopic image observations obtained by changing the mixing ratio of (1) and (2). The liquid crystal composition has the following properties: (b) an optical response in a positive voltage region and a negative voltage region and free or substantially free of hysteresis; and (c) excellent alignment stability. The liquid crystal composition is substantially free from sticking, is excellent in alignment and alignment stability and exhibits a V-letter-shaped optical response so that it can be used in a highly reliable active matrix liquid crystal display device.
    • 液晶组合物包括(1)式(1)的反铁电液晶化合物和(2)电介质液晶化合物或其外消旋化合物。 (1)〜(2)的组成比在从反铁电相侧的边界成分比例的5摩尔%以内的值延伸到边界成分比的25摩尔%以下的范围内 电介质相侧。 基于通过改变(1)和(2)的混合比获得的虹膜图像观察准备的液晶相图获得边界组成比。 液晶组合物具有以下性质:(b)在正电压区域和负电压区域中的光学响应,并且具有自由或基本上没有迟滞; 和(c)极好的取向稳定性。 液晶组合物基本上没有粘附,对准和取向稳定性优异,呈V字形的光学响应,因此可用于高可靠性的有源矩阵液晶显示装置。
    • 39. 发明授权
    • Exposure apparatus and method
    • 曝光装置和方法
    • US06151120A
    • 2000-11-21
    • US198443
    • 1998-11-24
    • Takahiro MatsumotoHideki Ina
    • Takahiro MatsumotoHideki Ina
    • G03F7/20G03F9/00H01L21/027G01B11/00
    • G03F9/7084G03F9/7049
    • In this exposure apparatus, a wafer formed with a first alignment mark and a mask formed with a second alignment mark at a position outside the exposure field angle are aligned. The exposure apparatus includes an alignment detection system for optically detecting any positional deviation between the first and second alignment marks, a calculator for calculating any positional deviation between a first pattern formed on the wafer and a second pattern formed on the mask on the basis of the detection result of the alignment detection system, the position of the first alignment mark in the wafer, and the position of the second alignment mark in the mask, and an actuator for driving a wafer stage on the basis of the calculation result of the calculator to make the first and second patterns overlap each other.
    • 在该曝光装置中,对准具有第一对准标记的晶片和在曝光视场角外的位置处形成有第二对准标记的掩模。 曝光装置包括用于光学检测第一和第二对准标记之间的任何位置偏差的对准检测系统,用于计算形成在晶片上的第一图案与形成在掩模上的第二图案之间的任何位置偏差的计算器, 对准检测系统的检测结果,晶片中的第一对准标记的位置和掩模中的第二对准标记的位置,以及基于计算器的计算结果驱动晶片台的致动器 使第一和第二模式彼此重叠。