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    • 29. 发明授权
    • Apparatus for and method of analyzing transmission characteristics of a circuit apparatus
    • 用于分析电路装置的传输特性的装置和方法
    • US07266794B2
    • 2007-09-04
    • US10939336
    • 2004-09-14
    • Manabu Yamazaki
    • Manabu Yamazaki
    • G06F17/50
    • G06F17/5018
    • A method of analyzing transmission characteristics of signal wiring in a circuit apparatus including the signal wiring and insulative layer is disclosed. The transmission characteristics are analyzed by dividing the circuit apparatus with a mesh and applying electromagnetic analysis method to each unit of the mesh. The method includes the steps of: extracting signal wiring data from 3 dimensional data of the circuit apparatus; designating a sparse mesh region in which the mesh can be made sparse based on the extracted signal wiring data and the 3 dimensional data; and generating sparse mesh in the sparse mesh region. Since the sparse mesh region is designated based on the sizes of the signal wiring and the insulative layer and on the electric properties of the insulative layer, a region that affects the transmission characteristics of the signal wiring only to a small extent can be designated as the sparse mesh region.
    • 公开了一种在包括信号布线和绝缘层的电路装置中分析信号布线的传输特性的方法。 通过将电路装置用网格划分并将电磁分析方法应用于网格的每个单元来分析传输特性。 该方法包括以下步骤:从电路装置的三维数据中提取信号布线数据; 基于所提取的信号布线数据和3维数据,指定可以使网格稀疏的稀疏网格区域; 并在稀疏网格区域中生成稀疏网格。 由于根据信号布线和绝缘层的尺寸以及绝缘层的电特性来指定稀疏网格区域,所以仅仅在很小程度上影响信号布线的传输特性的区域可以被指定为 稀疏网格区域。