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    • 61. 发明授权
    • Automatic system and method for providing PCB layout
    • 自动系统和方法提供PCB布局
    • US07917886B2
    • 2011-03-29
    • US12436764
    • 2009-05-06
    • Yung-Chieh ChenShen-Chun LiHsien-Chuan LiangShou-Kuo Hsu
    • Yung-Chieh ChenShen-Chun LiHsien-Chuan LiangShou-Kuo Hsu
    • G06F17/50
    • G06F17/5068H05K1/0251H05K3/0005H05K3/429
    • An automatic system for providing printed circuit board (PCB) layout of a PCB includes an input device, a data processing device, and a storage device. The data processing device includes an invoking module, a calculating module, and a determining module. The invoking module is to read a name and a thickness of each layer of the PCB from the storage device. The calculating module is to calculate an actual length of a via stub of each layer according to the name and thickness of each layer, and calculate an ideal length of the via stub of the PCB according to input information from the input device, and a preset formula. The determining module is to compare the ideal length and the actual length of the via stub of each layer to determine whether the layer can be used as a high-speed signal layout layer or not.
    • 用于提供PCB的印刷电路板(PCB)布局的自动系统包括输入装置,数据处理装置和存储装置。 数据处理装置包括调用模块,计算模块和确定模块。 调用模块是从存储设备读取PCB的每个层的名称和厚度。 计算模块是根据各层的名称和厚度来计算每一层的通孔短截线的实际长度,并根据输入设备的输入信息计算PCB的通孔短路的理想长度, 式。 确定模块是比较每个层的通孔短路的理想长度和实际长度,以确定该层是否可以用作高速信号布局层。