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    • 4. 发明授权
    • Method for testing integrated circuits
    • 集成电路测试方法
    • US07971176B2
    • 2011-06-28
    • US12050207
    • 2008-03-18
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • G06F17/50G06F11/22G06F19/00
    • G01R31/31835
    • A method of testing an integrated circuit. The method includes selecting a set of physical features of nets and devices of the integrated circuit, the integrated circuit having pattern input points and pattern observation points connected by the nets, each of the nets defined by an input point and all fan out paths to (i) input points of other nets of the nets or (ii) to the pattern observation points; selecting a measurement unit for each feature of the set of features; assigning a weight to each segment of each fan out path based on a number of the measurement units of the feature in each segment of each fan out path of each of the nets; and generating a set of test patterns optimized for test-coverage and cost based on the weights assigned to each segment of each of the nets of the integrated circuit.
    • 一种集成电路测试方法。 该方法包括选择集成电路的网络和设备的一组物理特征,集成电路具有由网络连接的模式输入点和模式观察点,每个网络由输入点定义,并且所有扇出路径到( i)网的其他网的输入点或(ii)到模式观察点; 为特征集合中的每个特征选择测量单元; 基于每个网络的每个扇出路径的每个段中的特征的测量单元的数量,为每个扇出路径的每个段分配权重; 以及基于分配给集成电路的每个网络的每个段的权重,生成针对测试覆盖和成本优化的一组测试模式。
    • 5. 发明申请
    • METHOD FOR TESTING INTEGRATED CIRCUITS
    • 测试集成电路的方法
    • US20110214102A1
    • 2011-09-01
    • US13102249
    • 2011-05-06
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • G06F17/50
    • G01R31/31835
    • A method of testing an integrated circuit. The method includes selecting a set of physical features of nets and devices of the integrated circuit, the integrated circuit having pattern input points and pattern observation points connected by the nets, each of the nets defined by an input point and all fan out paths to (i) input points of other nets of the nets or (ii) to the pattern observation points; selecting a measurement unit for each feature of the set of features; assigning a weight to each segment of each fan out path based on a number of the measurement units of the feature in each segment of each fan out path of each of the nets; and generating a set of test patterns optimized for test-coverage and cost based on the weights assigned to each segment of each of the nets of the integrated circuit.
    • 一种集成电路测试方法。 该方法包括选择集成电路的网络和设备的一组物理特征,集成电路具有由网络连接的模式输入点和模式观察点,每个网络由输入点定义,并且所有扇出路径到( i)网的其他网的输入点或(ii)到模式观察点; 为特征集合中的每个特征选择测量单元; 基于每个网络的每个扇出路径的每个段中的特征的测量单元的数量,为每个扇出路径的每个段分配权重; 以及基于分配给集成电路的每个网络的每个段的权重,生成针对测试覆盖和成本优化的一组测试模式。
    • 6. 发明授权
    • Method for determining features associated with fails of integrated circuits
    • 确定与集成电路故障相关的特征的方法
    • US07870519B2
    • 2011-01-11
    • US11941998
    • 2007-11-19
    • Rao H. DesineniMaroun KassabLeah Marie Pfeifer Pastel
    • Rao H. DesineniMaroun KassabLeah Marie Pfeifer Pastel
    • G06F17/50G01R31/28
    • G01R31/318342
    • A method for testing an integrated circuit and analyzing test data. The method includes: defining a set of signal path selection criteria; selecting a subset of signal paths of an integrated circuit design, the selecting signal paths meeting the selection criteria; identifying pattern observation points for each signal path of the subset of signal paths; selecting a set of features associated with the integrated circuit design; applying a set of test patterns to one or more integrated circuit chips; determining failing signal paths of the subset of signal paths for each integrated circuit chip; mapping failing signal paths of the subset of signal paths to the set of features to generate a correspondence between the failing signal paths and the features; and analyzing the correspondence and identifying suspect features of the set of features based on the analyzing.
    • 一种用于测试集成电路并分析测试数据的方法。 该方法包括:定义一组信号路径选择标准; 选择集成电路设计的信号路径的子集,所述选择信号路径满足选择标准; 识别信号路径子集的每个信号路径的模式观察点; 选择与集成电路设计相关的一组特征; 将一组测试图案应用于一个或多个集成电路芯片; 确定每个集成电路芯片的信号路径子集的失败信号路径; 将所述信号路径子集的故障信号路径映射到所述特征集合,以产生所述故障信号路径和所述特征之间的对应关系; 并基于分析,分析对应关系并识别该组特征的可疑特征。
    • 7. 发明授权
    • Method for testing integrated circuits
    • 集成电路测试方法
    • US08136082B2
    • 2012-03-13
    • US13102249
    • 2011-05-06
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • G06F17/50G06F11/22G06F19/00
    • G01R31/31835
    • A method of testing an integrated circuit. The method includes selecting a set of physical features of nets and devices of the integrated circuit, the integrated circuit having pattern input points and pattern observation points connected by the nets, each of the nets defined by an input point and all fan out paths to (i) input points of other nets of the nets or (ii) to the pattern observation points; selecting a measurement unit for each feature of the set of features; assigning a weight to each segment of each fan out path based on a number of the measurement units of the feature in each segment of each fan out path of each of the nets; and generating a set of test patterns optimized for test-coverage and cost based on the weights assigned to each segment of each of the nets of the integrated circuit.
    • 一种集成电路测试方法。 该方法包括选择集成电路的网络和设备的一组物理特征,集成电路具有由网络连接的模式输入点和模式观察点,每个网络由输入点定义,并且所有扇出路径到( i)网的其他网的输入点或(ii)到模式观察点; 为特征集合中的每个特征选择测量单元; 基于每个网络的每个扇出路径的每个段中的特征的测量单元的数量,为每个扇出路径的每个段分配权重; 以及基于分配给集成电路的每个网络的每个段的权重,生成针对测试覆盖和成本优化的一组测试模式。
    • 8. 发明申请
    • METHOD FOR TESTING INTEGRATED CIRCUITS
    • 测试集成电路的方法
    • US20090240458A1
    • 2009-09-24
    • US12050207
    • 2008-03-18
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • Rao H. DesineniMaroun KassabFranco MotikaLeah Marie Pfeifer Pastel
    • G01R31/00
    • G01R31/31835
    • A method of testing an integrated circuit. The method includes selecting a set of physical features of nets and devices of the integrated circuit, the integrated circuit having pattern input points and pattern observation points connected by the nets, each of the nets defined by an input point and all fan out paths to (i) input points of other nets of the nets or (ii) to the pattern observation points; selecting a measurement unit for each feature of the set of features; assigning a weight to each segment of each fan out path based on a number of the measurement units of the feature in each segment of each fan out path of each of the nets; and generating a set of test patterns optimized for test-coverage and cost based on the weights assigned to each segment of each of the nets of the integrated circuit.
    • 一种集成电路测试方法。 该方法包括选择集成电路网络和设备的一组物理特征,集成电路具有由网络连接的模式输入点和模式观察点,每个网络由输入点定义,并且所有扇出路径到( i)网的其他网的输入点或(ii)到模式观察点; 为特征集合中的每个特征选择测量单元; 基于每个网络的每个扇出路径的每个段中的特征的测量单元的数量,为每个扇出路径的每个段分配权重; 以及基于分配给集成电路的每个网络的每个段的权重,生成针对测试覆盖和成本优化的一组测试模式。
    • 9. 发明申请
    • METHOD FOR TESTING AN INTEGRATED CIRCUIT AND ANALYZING TEST DATA
    • 用于测试集成电路和分析测试数据的方法
    • US20090132976A1
    • 2009-05-21
    • US11941998
    • 2007-11-19
    • Rao H. DesineniMaroun KassabLeah Marie Pfeifer Pastel
    • Rao H. DesineniMaroun KassabLeah Marie Pfeifer Pastel
    • G06F17/50
    • G01R31/318342
    • A method for testing an integrated circuit and analyzing test data. The method includes: defining a set of signal path selection criteria; selecting a subset of signal paths of an integrated circuit design, the selecting signal paths meeting the selection criteria; identifying pattern observation points for each signal path of the subset of signal paths; selecting a set of features associated with the integrated circuit design; applying a set of test patterns to one or more integrated circuit chips; determining failing signal paths of the subset of signal paths for each integrated circuit chip; mapping failing signal paths of the subset of signal paths to the set of features to generate a correspondence between the failing signal paths and the features; and analyzing the correspondence and identifying suspect features of the set of features based on the analyzing.
    • 一种用于测试集成电路并分析测试数据的方法。 该方法包括:定义一组信号路径选择标准; 选择集成电路设计的信号路径的子集,所述选择信号路径满足选择标准; 识别信号路径子集的每个信号路径的模式观察点; 选择与集成电路设计相关的一组特征; 将一组测试图案应用于一个或多个集成电路芯片; 确定每个集成电路芯片的信号路径子集的失败信号路径; 将所述信号路径子集的故障信号路径映射到所述特征集合,以产生所述故障信号路径和所述特征之间的对应关系; 并基于分析,分析对应关系并识别该组特征的可疑特征。