会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Cad apparatus for designing pattern of electric circuit
    • 用于设计电路图案的CAD设备
    • US5404309A
    • 1995-04-04
    • US830424
    • 1992-01-31
    • Hirohisa YamamotoToshiaki NagakawaTakuji Kurimoto
    • Hirohisa YamamotoToshiaki NagakawaTakuji Kurimoto
    • H05K3/00G06F17/50H01L27/08H05K1/16
    • H01L27/0802G06F17/5068H05K1/16H05K3/0005
    • A CAD apparatus for designing a pattern of an electric circuit, is provided with: a printed resistor shape parameter storing unit for storing values of printed resistor shape parameters including a maximum aspect ratio and a minimum aspect ratio of a printed resistor, which pattern is to be designed; a resistor parameter storing unit for storing values of resistor parameters including a necessary resistance of the printed resistor; a resistor material table storing unit for storing a resistor material table including names of various resistor materials and resistances per unit area of the various resistor materials correspondingly; and an optimum resistor material name storing unit for storing an optimum resistor material name of the printed resistor. The CAD apparatus is also provided with an optimum resistor material selecting unit for calculating aspect ratios of the various resistor materials according to a predetermined rule based on the resistances of the various resistor materials and the necessary resistance, selecting the optimum resistor material according to a predetermined rule based on the values of the calculated aspect ratios and the values of the maximum and minimum aspect ratios, and storing the name of the selected optimum resistor material into the optimum resistor material name storing unit.
    • 一种用于设计电路图案的CAD装置,具有:印刷电阻器形状参数存储单元,用于存储包括印刷电阻器的最大纵横比和最小纵横比的印刷电阻器形状参数的值,该图形为 设计; 电阻器参数存储单元,用于存储包括印刷电阻器的必要电阻的电阻器参数的值; 电阻材料表存储单元,用于相应地存储包含各种电阻材料的各种电阻材料的名称和每单位面积的电阻的电阻器材料表; 以及用于存储印刷电阻器的最佳电阻器材料名称的最佳电阻器材料名称存储单元。 CAD装置还设置有最佳电阻材料选择单元,用于根据各种电阻材料的电阻和所需的电阻,根据预定规则计算各种电阻材料的纵横比,根据预定的方式选择最佳电阻材料 基于计算的宽高比和最大和最小纵横比的值的规则,并将所选择的最佳电阻材料的名称存储到最佳电阻材料名称存储单元中。