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    • 2. 发明授权
    • Verifying proximity of ground vias to signal vias in an integrated circuit
    • 验证接地通孔对集成电路中的过孔进行信号的接近
    • US06922822B2
    • 2005-07-26
    • US10199668
    • 2002-07-19
    • Mark D. FrankJerimy NelsonPeter Shaw Moldauer
    • Mark D. FrankJerimy NelsonPeter Shaw Moldauer
    • G06F17/50
    • G06F17/5077G06F17/5081
    • Techniques are disclosed for verifying the proximity of ground vias to signal vias in an integrated circuit package design. A package designer creates the package design using a package design tool. A proximity verifier verifies that there is a ground via within a predetermined threshold distance of each specified signal via in the package design. The proximity verifier may notify the package designer of any signal vias which are not sufficiently close to ground vias, such as by providing visual indications of such signal vias in a graphical representation of the package design displayed on a display monitor. In response, the package designer may modify the package model to ensure that all signal vias are sufficiently close to ground vias. The proximity verifier may be implemented as a design rule which may be executed automatically and in real-time by the package design tool.
    • 公开了用于在集成电路封装设计中验证接地通孔与信号通路的接近性的技术。 包装设计师使用包装设计工具创建包装设计。 邻近验证器在包装设计中验证在每个指定信号通道的预定阈值距离内存在接地通孔。 邻近验证器可以向包装设计者通知任何不足够接近接地孔的信号通孔,例如通过在显示监视器上显示的包装设计的图形表示中提供这种信号通孔的视觉指示。 作为响应,包装设计者可以修改包装模型以确保所有信号通孔足够接近地孔。 邻近验证器可以被实现为设计规则,其可以由包装设计工具自动地和实时地执行。
    • 3. 发明授权
    • Inter-signal proximity verification in an integrated circuit
    • 集成电路中的信号间接近验证
    • US06807657B2
    • 2004-10-19
    • US10199331
    • 2002-07-19
    • Mark D. FrankJerimy NelsonPeter Shaw Moldauer
    • Mark D. FrankJerimy NelsonPeter Shaw Moldauer
    • G06F1750
    • G06F17/5077G06F17/5081
    • In one aspect, techniques are disclosed for identifying and notifying a circuit designer of signal traces in an integrated circuit design that are closer to each other than a proximity threshold. It is desirable that signal traces be separated from each other by at least the proximity threshold to reduce inter-signal crosstalk to an acceptable level. Such notification may occur either dynamically (while the circuit designer is designing the circuit) or through a report generated after the circuit design has been generated. In another aspect, techniques are disclosed for identifying and notifying the circuit designer of the signal traces that are closest to a reference signal trace. Such notification may provide the circuit designer with feedback about regions in the circuit design which are congested and which may therefore produce an unacceptable level of crosstalk.
    • 在一个方面,公开了用于识别和通知集成电路设计中的信号走线的电路设计者比接近阈值更接近的技术。 期望信号迹线彼此分开至少接近阈值以将信号间串扰降低到可接受的水平。 这种通知可以动态地(电路设计者正在设计电路)或通过在电路设计生成之后产生的报告来进行。 在另一方面,公开了用于识别和通知电路设计者最接近参考信号迹线的信号迹线的技术。 这种通知可以向电路设计者提供关于电路设计中拥塞的区域的反馈,并且因此可能产生不可接受的串扰水平。
    • 8. 发明授权
    • Synthesizing signal net information from multiple integrated circuit package models
    • 从多个集成电路封装模型合成信号网络信息
    • US06711730B2
    • 2004-03-23
    • US10179077
    • 2002-05-13
    • Mark D. FrankWilliam Bryson McHardyPeter Shaw Moldauer
    • Mark D. FrankWilliam Bryson McHardyPeter Shaw Moldauer
    • G06F1750
    • G06F17/5068G06Q40/00
    • Techniques are disclosed for automatically synthesizing information from a plurality of computer-readable integrated circuit package models. In one embodiment, each of the plurality of package models contains information descriptive of a distinct package. Such information may include, for example, intra-package path lengths and/or propagation delays of signal nets in the modeled packages. Techniques are disclosed for automatically synthesizing such information to produce, for example, aggregate path lengths and/or propagation delays of the signal nets across all of the modeled packages. Such synthesis may be performed even when the package models use mutually inconsistent signal net naming conventions and the modeled packages are composed of different materials. Techniques are also disclosed for providing information to the package designer to assist the package designer in improving the design of the package models.
    • 公开了用于从多个计算机可读集成电路封装模型自动合成信息的技术。 在一个实施例中,多个包模型中的每一个包含描述不同包的信息。 这样的信息可以包括例如模拟包装中的信号网络的包装内路径长度和/或传播延迟。 公开了用于自动合成这样的信息以产生跨越所有建模包装的信号网络的聚合路径长度和/或传播延迟的技术。 即使当包装模型使用相互不一致的信号网络命名约定时,也可以执行这种合成,并且所建模的包由不同的材料组成。 还公开了向包装设计者提供信息以帮助包装设计者改进包装模型的设计的技术。
    • 10. 发明授权
    • Method and structure for external control of ESD protection in electronic circuits
    • 电子电路中ESD保护的外部控制方法和结构
    • US07203043B2
    • 2007-04-10
    • US10448763
    • 2003-05-30
    • Jason Harold CullerPeter Shaw Moldauer
    • Jason Harold CullerPeter Shaw Moldauer
    • H02H3/20H02H3/22H02H9/04
    • H02H9/046
    • A method and structure for external control of an electrostatic discharge (ESD) protection of electronic devices. According to the structure, one or more shunt circuits are coupled to the electronic devices and one or more external contacts are coupled to the one or more shunt circuits. One or more power supplies are further coupled to the one or more shunt circuits prior to the shunt circuits being coupled to the electronic devices. According to the method, the one or more external contacts are operable to be used to perform on or more of: grounding one or more of one or more external contacts coupled to the one or more shunt circuits, supplying one or more DC signals to one or more of the one or more shunt circuits via one or more of the one or more external contacts, and supplying one or more AC signals to one or more of the one or more shunt circuits via one or more of the one or more external contacts.
    • 一种用于电子设备静电放电(ESD)保护的外部控制的方法和结构。 根据该结构,一个或多个分流电路耦合到电子设备,并且一个或多个外部触点耦合到一个或多个分流电路。 在分流电路耦合到电子设备之前,一个或多个电源进一步耦合到一个或多个分流电路。 根据该方法,一个或多个外部触点可操作以用于执行以下中的一个或多个:将耦合到所述一个或多个分流电路的一个或多个外部触点中的一个或多个接地,将一个或多个DC信号提供给 通过所述一个或多个外部触点中的一个或多个的一个或多个分流电路中的一个或多个,并且通过所述一个或多个外部触点中的一个或多个将一个或多个AC信号提供给所述一个或多个分流电路中的一个或多个 联系人