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    • 73. 发明授权
    • Non-destructive root cause analysis on blocked contact or via
    • 对破坏性接触或通过的非破坏性根本原因分析
    • US06777676B1
    • 2004-08-17
    • US10303267
    • 2002-11-21
    • Ying WangYeishin TungAnne Testoni
    • Ying WangYeishin TungAnne Testoni
    • G01N2300
    • G01N23/225H01J2237/2561
    • Disclosed are apparatus and methods for characterizing a potential defect of a semiconductor structure. A charged particle beam is scanned over a structure which has a potential defect. X-rays are detected from the scanned structure. The X-rays are in response to the charged particle beam being scanned over the structure. The potential defect of the scanned structure is characterized based on the detected X-rays. For example, it may be determined whether a potentially defective via has a SiO2 plug defect by comparing an X-ray count ratio of oxygen over silicon of the defective via with an X-ray count ratio of a known defect-free reference via. If the defective via has a relatively high ratio (more oxygen than silicon) as compared to the reference via, then it may be determined that a SiO2 plug defect is present within the defective via. Otherwise, the via may be defmed as having a different type of defect (e.g., not a SiO2 plug defect) or defined resulting in a “false” defect. Accordingly, specific embodiments of the present invention may be utilized to filter “false” defects from a defect sample.
    • 公开了用于表征半导体结构的潜在缺陷的装置和方法。 带电粒子束在具有潜在缺陷的结构上扫描。 从扫描结构检测X射线。 X射线响应于在结构上扫描的带电粒子束。 基于检测到的X射线来表征扫描结构的潜在缺陷。 例如,可以通过将有缺陷的通孔的硅上的氧的X射线计数比与已知的无缺陷参考通孔的X射线计数比进行比较,来确定潜在缺陷通孔是否具有SiO 2插塞缺陷。 如果故障通孔与参考通孔相比具有相对高的比率(比硅更多的氧),则可以确定在缺陷通孔内存在SiO 2插塞缺陷。 否则,可以将通孔定义为具有不同类型的缺陷(例如,不是SiO2插塞缺陷)或定义导致“假”缺陷。 因此,可以利用本发明的具体实施例来从缺陷样品中过滤“假”缺陷。
    • 75. 发明授权
    • Diffraction compensation of FBG phase masks for multi-channel sampling applications
    • 用于多通道采样应用的FBG相位掩模的衍射补偿
    • US06654521B2
    • 2003-11-25
    • US10056575
    • 2002-01-23
    • Yunlong ShengJoshua E. RothenbergHongPu LiYing WangJason Zweiback
    • Yunlong ShengJoshua E. RothenbergHongPu LiYing WangJason Zweiback
    • G02B634
    • G02B6/02085G02B6/02138
    • The present invention is directed to a system and method for designing efficient multi-channel FBG gratings using a pre-compensated phase mask for diffracting light for side-writing the grating on an optical fiber core. A desired phase function of the FBG is generated, specifically tailored to an effective spacing between the phase mask and the optical fiber core. From the phase function a phase mask is pre-compensated to offset diffraction effects associated with each longitudinal position of the FBG receiving light from two corresponding longitudinal positions of the phase mask substantially symmetrically spaced longitudinally relative to each particular longitudinal position of the FBG. The two corresponding longitudinal positions of the phase mask are spaced longitudinally from each other by a spacing determined by the effective spacing between the phase mask and fiber core and by the first order diffraction angle of light through the phase mask.
    • 本发明涉及一种用于使用预补偿相位掩模设计有效的多通道FBG光栅的系统和方法,用于衍射光以在光纤芯上侧写光栅。 产生FBG的期望相位函数,专门针对相位掩模和光纤芯之间的有效间隔。 从相位函数中,相位掩模被预补偿以抵消与FBG的每个纵向位置相关联的衍射效应,所述FBG接收来自相位掩模的两个相应纵向位置的光,其相对于FBG的每个特定纵向位置基本对称地间隔开。 相位掩模的两个对应的纵向位置彼此纵向间隔由相位掩模和光纤芯之间的有效间隔确定的间隔以及通过相位掩模的一阶衍射光角。
    • 76. 发明授权
    • Fast data base research and learning apparatus
    • 快速的数据库研究和学习设备
    • US06490279B1
    • 2002-12-03
    • US09121586
    • 1998-07-23
    • Honglu ChenYing WangTak-Lap Tsui
    • Honglu ChenYing WangTak-Lap Tsui
    • H04L1256
    • H04L12/56
    • This invention discloses an improved address table apparatus that includes an address bus for receiving input data packets and for hashing a designated bucket number and extracting a key from each of the data packets. The address table apparatus further includes a plurality of memory banks connected to the address bus wherein each memory bank includes a plurality of memory buckets for storing a designation address (DA) and a port number in each of the buckets. The address table apparatus further includes a comparand bus connected to the address bus for receiving the key therefrom. The address table apparatus further includes a plurality of comparators each corresponding to one of the memory banks for receiving the designation address (DA) and the port number from the designated bucket from a corresponding memory bank. The comparators further connected to the comparand bus for receiving and comparing the key to the address from the designated bucket in each of the memory banks. The address table apparatus further includes a result bus connected to the comparators for displaying an output port number from one of the comparators if the key extracted from one the data packets matching the designation address (DA) from one of the designated buckets.
    • 本发明公开了一种改进的地址表装置,其包括用于接收输入数据分组的地址总线,并且用于散列指定的存储桶号并从每个数据分组提取密钥。 地址表装置还包括连接到地址总线的多个存储器组,其中每个存储体包括用于存储每个存储桶中的指定地址(DA)和端口号的多个存储器桶。 地址表装置还包括连接到地址总线的比较总线,用于从其接收密钥。 地址表装置还包括多个比较器,每个比较器对应于一个存储器组,用于从相应的存储体接收指定地址(DA)和来自指定存储器的端口号。 比较器还连接到比较总线,用于接收和比较每个存储体中的来自指定桶的地址的密钥。 地址表装置还包括连接到比较器的结果总线,用于从一个比较器显示输出端口号,如果从一个指定的桶中的一个指定的桶中的一个与指定地址(DA)匹配的数据分组提取的密钥。
    • 77. 发明授权
    • Volumetric computed tomography (CT) fluoroscopy system for small animal studies
    • 用于小动物研究的体积计算机断层扫描(CT)荧光透视系统
    • US06483892B1
    • 2002-11-19
    • US10035696
    • 2001-10-20
    • Ying WangYing Liu
    • Ying WangYing Liu
    • G21H700
    • A61B6/032A61B6/4014A61B6/508
    • This invention describes a dynamic X-ray imaging system for small animal studies and other applications that include a volumetric CT fluoroscopy (VCTF) scanner and software, which operates in accordance with a generalized Feldkamp algorithm or any other suitable reconstruction methods. The VCTF system is a significant advancement of current micro-CT techniques. While prior micro-CT systems are featured by relatively slow data acquisition and static image reconstructions, the present invention includes real-time data acquisition hardware, a dedicated real-time image reconstruction algorithm, an extra-fast cone-beam reconstruction engine, and integrating them into a 4D micro-CT scanner. The system of the present invention can be constructed relatively economically using state-of-the-art x-ray source, electronic detector techniques and image reconstruction methods.
    • 本发明描述了用于小动物研究和其他应用的动态X射线成像系统,其包括根据广义Feldkamp算法或任何其他合适的重建方法操作的体积CT荧光透视(VCTF)扫描器和软件。 VCTF系统是当前微CT技术的重大进步。 虽然先前的微CT系统的特征是相对较慢的数据采集和静态图像重建,本发明包括实时数据采集硬件,专用实时图像重建算法,超快锥形束重建引擎和集成 他们成为4D微CT扫描仪。 可以使用最先进的x射线源,电子检测器技术和图像重建方法相对经济地构建本发明的系统。
    • 78. 发明授权
    • Optical coupling system for a high-power diode-pumped solid state laser
    • 用于大功率二极管泵浦固态激光器的光耦合系统
    • US06377410B1
    • 2002-04-23
    • US09410417
    • 1999-10-01
    • Zhijiang WangAlice Z. GheenYing Wang
    • Zhijiang WangAlice Z. GheenYing Wang
    • H01S3091
    • G02B27/09H01S3/0941H01S5/005H01S5/4012H01S5/4031
    • Method and apparatus are disclosed for beam dividing and shaping, in which the beams from laser diode array are divided in a plurality of sections along the slow axis and the sections of beams are then recombined along their fast axis so that the Lagrange invariant of the resulting beam increased approximately by n-fold in fast axis and reduced approximately by n-fold in slow axis. With the inclusion of above apparatus in diode laser modules, the main objectives of constructing high-efficiency solid state lasers can be achieved. Thus, a high-efficiency diode-pumped solid state laser apparatus can be made, comprising a laser fiber, at least one laser diode array module, an imaging optical system, wherein said imaging optical system is disposed between said module and the aperture of said fiber and focuses the beam from said module onto the aperture of said laser fiber, and wherein said laser diode array module comprises at least one laser diode array, a collimating structure, a beam dividing/rearranging device and an optical relay system.
    • 公开了用于光束分割和成形的方法和装置,其中来自激光二极管阵列的光束沿着慢轴被分割成多个部分,然后光束的部分沿其快轴重新组合,使得所得到的拉格朗日不变量 光束在快轴上大约增加了n倍,并且在慢轴上大约减少了n倍。 通过在二极管激光器模块中包含上述设备,可以实现构建高效率固态激光器的主要目标。 因此,可以制造高效二极管泵浦固态激光装置,其包括激光光纤,至少一个激光二极管阵列模块,成像光学系统,其中所述成像光学系统设置在所述模块与所述 光纤并将来自所述模块的光束聚焦到所述激光光纤的孔径上,并且其中所述激光二极管阵列模块包括至少一个激光二极管阵列,准直结构,光束分割/重排装置和光中继系统。
    • 79. 发明授权
    • Hydrogenation catalyst and its preparation
    • 氢化催化剂及其制备
    • US06368996B1
    • 2002-04-09
    • US09560444
    • 2000-04-28
    • Xuhong MuBaoning ZongEnze MinXuan WangYing WangXiaoxin ZhangXingtian Shu
    • Xuhong MuBaoning ZongEnze MinXuan WangYing WangXiaoxin ZhangXingtian Shu
    • B01J2500
    • C07D201/16B01J25/02
    • An amorphous alloy catalyst for hydrogenation and its preparation method are disclosed herein. The catalyst essentially consists of nickel ranging between 60 and 98 wt %, iron ranging between 0 and 20 wt %, one doping metal element selected from the group consisting of chromium, cobalt, molybdenum, manganese and tungsten ranging between 0 and 20 wt %, and aluminum ranging between 0.5 and 30 wt % based on the weight of said catalyst, wherein the weight percentages of iron and the doping metal element component may not be zero at the same time; and just one broad diffusion peak appears at about 2 &thgr;=45±1° on the XRD patterns of the catalyst within 2 &thgr; range from 20 to 80°. The catalyst herein can be used in processes for hydrogenation of unsaturated compounds such as olefin, alkyne, aromatics, nitro, carbonyl groups, nitrile and soon, and for hydrorefining of caprolactam in particular.
    • 本文公开了一种用于氢化的无定形合金催化剂及其制备方法。 该催化剂基本上由在60至98重量%之间的镍范围内,铁范围在0至20重量%之间,1种掺杂金属元素选自铬,钴,钼,锰和钨,其范围为0至20重量% 和铝的范围在0.5至30重量%之间,基于所述催化剂的重量,其中铁和掺杂金属元素组分的重量百分比可以不同时为零; 并且在20至80°的2θ范围内,在催化剂的XRD图上,在约2θ= 45±1°处仅出现一个宽的扩散峰。 本文的催化剂可用于不饱和化合物如烯烃,炔烃,芳族化合物,硝基,羰基,腈和不久的氢化方法,特别是加氢精制己内酰胺。