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    • 22. 发明授权
    • Cloned and original circuit shape merging
    • 克隆和原始电路形状合并
    • US07120887B2
    • 2006-10-10
    • US10707845
    • 2004-01-16
    • Henry A. Bonges, IIIMichael S. GrayJason D. HibbelerKevin W. McCullenRobert F. Walker
    • Henry A. Bonges, IIIMichael S. GrayJason D. HibbelerKevin W. McCullenRobert F. Walker
    • G06F17/50
    • G06F17/5068
    • A method, system and program product for merging cloned and original circuit shapes such that a union thereof does not include a notch. The invention determines, for a cell including an original circuit shape and at least one overlapping clone of the original circuit shape, whether each clone corner point of each overlapping clone is within a threshold distance of a corresponding original corner point of the original circuit shape; and generates, in the case that each clone corner point of each overlapping clone circuit shape is within a threshold distance, a union of each overlapping clone and the original circuit shape such that the union does not contain a notch. The union is generated using a point code that sets a new position for a union corner point to remove a notch based on the original shape's direction and the edge orientations previous to and next to the corner point.
    • 用于合并克隆和原始电路形状的方法,系统和程序产品,使得其联合不包括缺口。 本发明对于包括原始电路形状的单元和原始电路形状的至少一个重叠克隆来确定每个重叠克隆的每个克隆角点是否处于原始电路形状的相应原始角点的阈值距离内; 并且在每个重叠克隆电路形状的每个克隆角点处于阈值距离内的情况下,生成每个重叠克隆的结合和原始电路形状,使得联合不包含凹口。 联合是使用点代码生成的,该点代码为联合角点设置新位置,以根据原始形状的方向和角点之前和之后的边缘方向去除凹口。
    • 26. 发明授权
    • Test yield estimate for semiconductor products created from a library
    • 从图书馆创建的半导体产品的测试产量估算
    • US08010916B2
    • 2011-08-30
    • US12062586
    • 2008-04-04
    • Jeanne BickfordMarkus BuehlerJason D. HibbelerJuergen Koehl
    • Jeanne BickfordMarkus BuehlerJason D. HibbelerJuergen Koehl
    • G06F17/50
    • G06F17/5081G06F2217/12Y02P90/265
    • Disclosed is a method that predicts test yield for a semiconductor product, prior to design layout. This is accomplished by applying a critical area analysis to individual library elements that are used to form a specific product and by estimating the test yield impact of combining these library elements. For example, the method considers the test yield impact of sensitivity to library element to library element shorts and the test yield impact of sensitivity to wiring faults. The disclosed method further allows die size growth to be traded off against the use of library elements with higher test yield in order to provide an optimal design solution. Thus, the method may be used to modify library element selection so as to optimize test yield. Lastly, the method further repeats itself at key design checkpoints to revalidate initial test yield (and cost) assumptions made when the product was quoted to a customer. Thus, the method provides increased accuracy of test yield estimate from initial sizing through design and further allows designs to be modified to improve test yield.
    • 公开了一种在设计布局之前预测半导体产品的测试产量的方法。 这是通过对用于形成特定产品的单个库元素应用关键区域分析,并通过估计组合这些库元素的测试产出影响来实现的。 例如,该方法考虑了库元素对库元素短路的灵敏度的测试产量影响以及对接线故障的灵敏度的测试产量影响。 所公开的方法进一步允许模具尺寸增长与使用具有较高测试成品率的库元件进行交易,以便提供最佳设计解决方案。 因此,该方法可用于修改库元素选择以优化测试产量。 最后,该方法在关键设计检查点进一步重复,以重新验证产品被引用给客户时的初始测试收益(和成本)假设。 因此,该方法通过设计从初始尺寸提高了测试产量估算的准确度,并进一步允许修改设计以提高测试产量。