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    • 6. 发明授权
    • Parallel solving of layout optimization
    • 并行求解布局优化
    • US08555229B2
    • 2013-10-08
    • US13151413
    • 2011-06-02
    • Xiaoping TangMichael S. GrayXin Yuan
    • Xiaoping TangMichael S. GrayXin Yuan
    • G06F17/50
    • G06F17/5081G06F17/5068
    • Solutions for optimizing an integrated circuit layout for implementation in an integrated circuit are disclosed. In one embodiment, a computer-implemented method is disclosed including: obtaining a plurality of hierarchical constraints in mathematical form, the plurality of hierarchical constraints defining a first integrated circuit layout; partitioning the plurality of hierarchical constraints into groups according to one or more partitioning rules; determining whether a boundary condition exists between two of the groups, and distributing a slack or a gap between the two of the groups in the case that the boundary condition exists; creating a plurality of integer linear programming problems associated with each of the groups; determining a solution for each of the plurality of integer linear programming problems; and integrating each solution together to form a second integrated circuit layout.
    • 公开了用于优化用于在集成电路中实现的集成电路布局的解决方案。 在一个实施例中,公开了一种计算机实现的方法,包括:以数学形式获得多个分层约束,所述多个层级约束限定第一集成电路布局; 根据一个或多个分区规则将多个分层约束划分成组; 确定在两个组之间是否存在边界条件,并且在存在边界条件的情况下分配两组之间的松弛或间隙; 创建与每个组相关联的多个整数线性规划问题; 确定所述多个整数线性规划问题中的每一个的解; 并将每个解决方案集成在一起以形成第二集成电路布局。
    • 7. 发明授权
    • Electrical connector with two-piece configured housing
    • 电气连接器,带两件式配置的外壳
    • US07798861B2
    • 2010-09-21
    • US12436802
    • 2009-05-07
    • Su-Feng LiuChin-Te LaiXin Yuan
    • Su-Feng LiuChin-Te LaiXin Yuan
    • H01R17/00
    • H01R13/506H01R9/032
    • An electrical connector (100) comprises a first insulative housing (10), a second insulative housing (30) engaging with the first insulative housing (10), and a plurality of contacts. Said second insulative housing (30) has a first platform (321) and a second platform (322) arranged at different levels. Each of the contacts (20) includes a mating portion (21) supported by the first insulative housing and a tail portion (23) supported by the second insulative housing, the tail portions (23) of the contacts are spaced into two rows and located on the first and second platforms; another contact has a tail portion disposed inside the second insulative housing.
    • 电连接器(100)包括第一绝缘壳体(10),与第一绝缘壳体(10)接合的第二绝缘壳体(30)和多个触点。 所述第二绝缘壳体(30)具有布置在不同高度的第一平台(321)和第二平台(322)。 每个触头(20)包括由第一绝缘壳体支撑的配合部分(21)和由第二绝缘壳体支撑的尾部(23),触头的尾部(23)间隔成两排并且位于 在第一和第二平台上; 另一接触件具有设置在第二绝缘壳体内的尾部。
    • 8. 发明申请
    • VLSI ARTWORK LEGALIZATION FOR HIERARCHICAL DESIGNS WITH MULTIPLE GRID CONSTRAINTS
    • 用于具有多个网格约束的分层设计的VLSI艺术品法规
    • US20070240088A1
    • 2007-10-11
    • US11279283
    • 2006-04-11
    • Xiaoping TangXin Yuan
    • Xiaoping TangXin Yuan
    • G06F17/50
    • G06F17/509G06F17/504G06F17/5068G06F2217/06
    • A system and method are disclosed for legalizing a flat or hierarchical VLSI layout to meet multiple grid constraints and conventional ground rules. Given a set of ground rules with multiple grid constraints and a VLSI layout (either hierarchical or flat) which is layout-versus-schematic (LVS) correct but may not be ground rule correct, the system and method provide a legalized layout which meets the multiple grid constraints while maintaining LVS correctness and fixing the ground rule errors as much as possible with minimum layout perturbation from the input design. The system and method support multiple grid pitch constraints for hierarchical design, and provide for LVS correctness to be maintained while an on-grid solution possibly with some spacing violations.
    • 公开了一种用于使平坦或分级VLSI布局合法化以满足多个网格约束和常规基本规则的系统和方法。 给定一组具有多个网格约束的基本规则和布局与原理图(LVS)的VLSI布局(分层或平面)正确但可能不是基本规则正确的,系统和方法提供了合法化的布局,满足 多个网格约束,同时保持LVS的正确性,并尽可能多地修正接地规则错误,并从输入设计中获得最小的布局扰动。 该系统和方法支持用于分级设计的多个网格间距约束,并且在可能具有一些间隔违规的并网解决方案时提供要维护的LVS正确性。
    • 9. 发明授权
    • Decomposing layout for triple patterning lithography
    • 三重图案平版印刷的分解布局
    • US08484607B1
    • 2013-07-09
    • US13413288
    • 2012-03-06
    • Xiaoping TangXin Yuan
    • Xiaoping TangXin Yuan
    • G06F15/04G06F17/50
    • G03F7/70466G06F17/5081
    • An approach for decomposing a layout for triple patterning lithography is described. In one embodiment, a triple patterning conflict graph is built from a layout having pattern features specified as shapes. The triple patterning conflict graph represents the shapes in the layout and coloring constraints associated with the shapes. The shapes represented by the triple patterning conflict graph are decomposed into three colors to avoid color conflict, while balancing the color density among the three colors and minimizing a number of stitches used to represent the shapes in the layout. Color conflicts in the decomposition are resolved by selectively segmenting the shapes in the decomposition that are associated with the color conflict.
    • 描述了用于分解三重图案化光刻的布局的方法。 在一个实施例中,从具有指定为形状的图案特征的布局构建三重图案化图案冲突图。 三重图案化冲突图表示与形状相关联的布局和着色约束中的形状。 由三重图形化冲突图表示的形状被分解为三种颜色以避免颜色冲突,同时平衡三种颜色之间的颜色密度并且最小化用于表示布局中的形状的多个针迹。 通过选择性地分割与颜色冲突相关联的分解中的形状来解决分解中的颜色冲突。
    • 10. 发明申请
    • PARALLEL SOLVING OF LAYOUT OPTIMIZATION
    • 并行优化布局优化
    • US20120311517A1
    • 2012-12-06
    • US13151413
    • 2011-06-02
    • Xiaoping TangMichael S. GrayXin Yuan
    • Xiaoping TangMichael S. GrayXin Yuan
    • G06F17/50
    • G06F17/5081G06F17/5068
    • Solutions for optimizing an integrated circuit layout for implementation in an integrated circuit are disclosed. In one embodiment, a computer-implemented method is disclosed including: obtaining a plurality of hierarchical constraints in mathematical form, the plurality of hierarchical constraints defining a first integrated circuit layout; partitioning the plurality of hierarchical constraints into groups according to one or more partitioning rules; determining whether a boundary condition exists between two of the groups, and distributing a slack or a gap between the two of the groups in the case that the boundary condition exists; creating a plurality of integer linear programming problems associated with each of the groups; determining a solution for each of the plurality of integer linear programming problems; and integrating each solution together to form a second integrated circuit layout.
    • 公开了用于优化用于在集成电路中实现的集成电路布局的解决方案。 在一个实施例中,公开了一种计算机实现的方法,包括:以数学形式获得多个分层约束,所述多个层级约束限定第一集成电路布局; 根据一个或多个分区规则将多个分层约束划分成组; 确定在两个组之间是否存在边界条件,并且在存在边界条件的情况下分配两组之间的松弛或间隙; 创建与每个组相关联的多个整数线性规划问题; 确定所述多个整数线性规划问题中的每一个的解; 并将每个解决方案集成在一起以形成第二集成电路布局。