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    • 3. 发明授权
    • Printed circuit wiring board designing support device, printed circuit board designing method, and its program
    • 印刷电路布线板设计支援装置,印刷电路板设计方法及其程序
    • US07168058B2
    • 2007-01-23
    • US10561195
    • 2004-06-16
    • Takashi HaradaTakahiro YaguchiAkira WakuiSeishi EyaShunsuke Fujimoto
    • Takashi HaradaTakahiro YaguchiAkira WakuiSeishi EyaShunsuke Fujimoto
    • G06F17/50
    • G06F17/5068H05K1/0231H05K3/0005H05K2201/09309
    • A printed circuit wiring board designing support device includes a layout data receiving section receiving printed circuit board layout data through an input/output section, a section for extracting structures of power supply/ground planes, a via hole extracting section for extracting a via hole interconnecting the wirings extending over power supply/ground planes, a capacitor extracting section for extracting a capacitor connected between power supply/ground planes, a distance measuring section for measuring the distance between the via hole and the capacitor, a database where the allowable distance value between the via hole and the capacitor in respect to the distance between the power supply and ground planes is recorded, an examination section for comparing the capacitor/via hole distance with the allowable distance value, and a warning section for issuing a warning when the distance between the via hole and the capacitor is larger than the allowable distance value.
    • 一种印刷电路布线板设计支援装置,包括布局数据接收部分,通过输入/输出部分接收印刷电路板布局数据,用于提取电源/接地层结构的部分,通孔提取部分,用于提取互连的通孔 在电源/接地层上延伸的布线,用于提取连接在电源/接地层之间的电容器的电容器提取部分,用于测量通孔和电容器之间的距离的距离测量部分, 记录通孔和电容器相对于电源与接地面之间的距离,用于将电容器/通孔距离与可允许距离值进行比较的检查部分和用于当电容器/通孔距离与接地面之间的距离 通孔和电容器大于容许距离值。