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28 条记录 (耗时 0.014 秒)

    Method, Computer Program and System Providing for Semiconductor Processes Optimization
    23.
    发明申请
    Method, Computer Program and System Providing for Semiconductor Processes Optimization 审中-公开
    方法，提供半导体工艺优化的计算机程序和系统

    公开(公告)号：US20090031260A1

    公开(公告)日：2009-01-29

    申请号：US11782747

    申请日：2007-07-25

    申请人： Matthew Angyal ,  Alina Deutsch ,  Ibrahim M. Elfadel ,  Raminderpal Singh ,  Theodorus E. Standaert ,  Wayne H. Woods

    发明人： Matthew Angyal ,  Alina Deutsch ,  Ibrahim M. Elfadel ,  Raminderpal Singh ,  Theodorus E. Standaert ,  Wayne H. Woods

    IPC分类号： G06F17/50

    CPC分类号： G06F17/5068 ,  G06F2217/10

    摘要： A method, computer program and system for the optimization of semiconductor process parameters given a pre-specified set of targets and constraints on electrical performance metrics are disclosed. Semiconductor process engineers who are not expert in the art of electrical analysis or mathematical optimization can readily use the method of this invention in optimizing semiconductor process parameters. Accommodates the differences in design styles, metal layer routing, and electrical metrics using priority schedules that are easy to input and understand. Enables the exploration of the process parameter space using primitive process tolerances and accurate electrical information provided by field solvers and circuit analysis programs.

    摘要翻译： 公开了一种用于优化半导体工艺参数的方法，计算机程序和系统，给出了预定指定的一组目标和对电性能度量的约束。 不是电气分析或数学优化领域的专家的半导体工艺工程师可以容易地使用本发明的方法优化半导体工艺参数。 使用易于输入和理解的优先级调度，适应设计风格，金属层布线和电气指标的差异。 使用原始过程公差和现场求解器和电路分析程序提供的准确电气信息来探索过程参数空间。

    System and method for efficient analysis of transmission lines
    25.
    发明申请
    System and method for efficient analysis of transmission lines 有权
    传输线有效分析的系统和方法

    公开(公告)号：US20050177325A1

    公开(公告)日：2005-08-11

    申请号：US10776716

    申请日：2004-02-11

    申请人： Alina Deutsch ,  Peter Feldmann ,  Albert Ruehli ,  Howard Smith

    发明人： Alina Deutsch ,  Peter Feldmann ,  Albert Ruehli ,  Howard Smith

    IPC分类号： G01R15/00 ,  G01R31/28

    CPC分类号： G01R31/2813

    摘要： A system and method for analyzing a circuit with transmission lines includes determining which sources influence each of a plurality of transmission lines, based on coupling factors. Transmission line parameters are computed based on the sources, which influence each transmission line. A transient response or frequency response is analyzed for each transmission line by segmenting each line to perform an analysis on that line. The step of analyzing is repeated using waveforms determined in a previous iteration until convergence to a resultant waveform has occurred.

    摘要翻译： 用于使用传输线分析电路的系统和方法包括基于耦合因素来确定哪些源影响多条传输线中的每一条。 传输线参数是基于影响每条传输线的源计算的。 通过分割每行来对每条传输线分析瞬态响应或频率响应，以对该行进行分析。 使用在先前迭代中确定的波形重复分析步骤，直到已经发生收敛到合成波形。

    X-Y grid tree tuning method
    26.
    发明授权
    X-Y grid tree tuning method 失效
    X-Y网格树调优方法

    公开(公告)号：US06205571B1

    公开(公告)日：2001-03-20

    申请号：US09222143

    申请日：1998-12-29

    申请人： Peter J. Camporese ,  Alina Deutsch ,  Timothy Gerard McNamara ,  Phillip John Restle ,  David Allan Webber

    发明人： Peter J. Camporese ,  Alina Deutsch ,  Timothy Gerard McNamara ,  Phillip John Restle ,  David Allan Webber

    IPC分类号： G06F1750

    CPC分类号： G06F1/10 ,  G06F17/5077

    摘要： An X-Y grid tree clock distribution network for distributing a clock signal across a VLSI chip. Tunable wiring tree networks are combined with an X-Y grid vertically and horizontally connecting all the tree end points. No drivers are necessary at connection points of the tree end points to the X-Y grid. The final X-Y grid distributes the clock signal close to every place it is needed, and reduces skew across local regions. A tuning method allows buffering of the clock signal, while minimizing both nominal clock skew and clock uncertainty. The tuned tree networks provide low skew even with variations in clock load density and non-ideal buffer placement, while minimizing the number of buffers needed. The tuning method first represents a total capacitance of one or more of clock pin loads and twig wiring as a clustered grid load. Next, a smoothing of the clustered grid loads approximates the effect of the X-Y grid. Electrical simulation models are created for network components and clustered grid loads are substituted with smoothed clustered grid loads. A set of NSECTOR electrical net lists are next created by extracting a net list with associated X-Y grid wires cut to isolate each sector net list from its neighboring sectors. Each NSECTOR electrical net list is then tuned, wherein the smoothed clustered grid loads represent an approximation of the effects of the neighboring sectors of each NSECTOR electrical net list.

    摘要翻译： 一个用于在VLSI芯片上分配时钟信号的X-Y网格树时钟分配网络。 可调式接线树网络与X-Y网格结合，垂直和水平连接所有树端点。 在X-Y网格的树端点的连接点不需要驱动程序。 最后的X-Y网格将时钟信号分配到每个需要的地方，并减少局部区域的偏差。 调谐方法允许缓冲时钟信号，同时最小化标称时钟偏移和时钟不确定度。 调谐树网络即使在时钟负载密度和非理想缓冲器放置的变化下也提供低偏移，同时最小化所需的缓冲器数量。 调谐方法首先表示作为集群电网负载的一个或多个时钟引脚负载和布线布线的总电容。 接下来，聚类网格负载的平滑近似于X-Y网格的效果。 为网络组件创建电气仿真模型，并且使用平滑的集群网格负载代替集群网格负载。 接下来通过提取具有相关联的X-Y网格线的网络列表来创建一组NSECTOR电网列表，以将每个扇区网络列表与其相邻扇区隔离。 然后调整每个NSECTOR电网列表，其中平滑的集群网格负载表示每个NSECTOR电网列表的相邻扇区的影响的近似值。

    Methods for the measurement of the frequency dependent complex propagation matrix, impedance matrix and admittance matrix of coupled transmission lines
    27.
    发明授权
    Methods for the measurement of the frequency dependent complex propagation matrix, impedance matrix and admittance matrix of coupled transmission lines 失效
    耦合传输线的频率相关复传播矩阵，阻抗矩阵和导纳矩阵的测量方法

    公开(公告)号：US5502392A

    公开(公告)日：1996-03-26

    申请号：US151595

    申请日：1993-11-12

    申请人： Gnanalingam Arjavalingam ,  Alina Deutsch ,  Gerard V. Kopcsay ,  James K. Tam

    发明人： Gnanalingam Arjavalingam ,  Alina Deutsch ,  Gerard V. Kopcsay ,  James K. Tam

    IPC分类号： G01R27/06 ,  G01R27/32 ,  G01R31/28 ,  G01R27/04

    CPC分类号： G01R27/32 ,  G01R27/06 ,  G01R31/2822

    摘要： A method for completely characterizing coupled transmission lines by short-pulse propagation is described. The complex frequency-dependent propagation matrix, impedance matrix and admittance matrix for a set of n parallel transmission lines can be determined by comparing the properties of two sets of coupled transmission lines of different length. Each transmission line set has two conductors of unequal length and ground conductors to form a coupled transmission line system. Each transmission line set can have uncoupled ends. An input pulse is provided at at least one node of each transmission line set. The complex frequency dependent propagation matrix of each transmission line set is determined by a comparison of the output pulses at the remaining nodes of each transmission line set which involves ratioing to cancel out the effect of the pad-to-probe discontinuity and the uncoupled ends which make it unnecessary to do any embedding. For a transmission line wherein the dielectric loss is negligible, the complex frequency dependent characteristic admittance can be determined from the propagation matrix and the empirically determined capacitance matrix. For a transmission line wherein the resistive loss is negligible, the frequency dependent characteristic impedance matrix can be determined from the propagation matrix and the empirically determined inductance matrix. Specific structures are used with the measurement method to determine these coupled transmission line parameters. The method is particularly useful to determine these parameters for transmission lines in semiconductor chip packaging substrates.

    摘要翻译： 描述了通过短脉冲传播完全表征耦合传输线的方法。 可以通过比较两组不同长度的耦合传输线的性质来确定一组n条并行传输线的复频率相关传播矩阵，阻抗矩阵和导纳矩阵。 每个传输线组具有两个不等长度的导体和接地导体，以形成耦合传输线系统。 每个传输线组可以具有非耦合端。 在每个传输线组的至少一个节点处提供输入脉冲。 每个传输线组的复频率相关传播矩阵通过比较每个传输线组的剩余节点上的输出脉冲来确定，该比较涉及比例以抵消焊盘与探针不连续性的影响和非耦合端 无需做任何嵌入。 对于其中介电损耗可忽略的传输线，可以根据传播矩阵和经验确定的电容矩阵来确定复频率相关特性导纳。 对于其中电阻损耗可忽略的传输线，可以从传播矩阵和经验确定的电感矩阵确定频率相关特性阻抗矩阵。 与测量方法一起使用具体结构来确定这些耦合的传输线参数。 该方法对于确定半导体芯片封装衬底中的传输线的这些参数特别有用。