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    • 22. 发明申请
    • Printed wiring board design aiding apparatus, printed wiring board design aiding method, and printed wiring board design aiding program
    • 印刷线路板设计辅助设备,印刷线路板设计辅助方法和印刷线路板设计辅助程序
    • US20060212155A1
    • 2006-09-21
    • US11167264
    • 2005-06-28
    • Kenji FukuzonoHideaki Yoshimura
    • Kenji FukuzonoHideaki Yoshimura
    • G06F19/00
    • H05K3/0005G06F17/5018G06F2217/80H05K1/0271H05K2201/068
    • The present invention provides a printed wiring board design aiding apparatus, method, and program that can easily and inexpensively predict the displacement of a printed wiring board of complicated shape and configuration due to temperature change. The printed wiring board design aiding program makes a computer execute the steps including a mesh division step that divides an analytical model of a printed wiring board obtained as data into meshes, a mesh displacement calculation step that calculates displacements of respective meshes of a printed wiring board which is divided in the mesh division step, a mesh displacement connection step that connects mesh displacements calculated in the mesh displacement calculation step so that the inclination of borders of respective meshes become equal, and a displacement calculation step that calculates a displacement using an entire displacement of a printed wiring board which is obtained in the mesh displacement connection step.
    • 本发明提供一种印刷线路板设计辅助装置,方法和程序,其可以容易且廉价地预测由于温度变化而导致的复杂形状和结构的印刷线路板的位移。 印刷线路板设计辅助程序使得计算机执行包括将作为数据获得的印刷线路板的分析模型划分成网格的网格分割步骤的步骤,网格位移计算步骤,其计算印刷线路板的各个网格的位移 其在网格划分步骤中被划分为网格位移连接步骤,其连接在网格位移计算步骤中计算的网格位移,使得各个网格的边界的倾斜度相等;以及位移计算步骤,其使用整个位移计算位移 在网格位移连接步骤中获得的印刷线路板。
    • 24. 发明授权
    • Reflow soldering apparatus and reflow soldering method
    • 回流焊接装置和回流焊接方法
    • US06334569B1
    • 2002-01-01
    • US09539627
    • 2000-03-31
    • Hideaki Yoshimura
    • Hideaki Yoshimura
    • B23K3102
    • B23K1/008H01L2224/16225H05K1/0306H05K3/3494H05K2201/10674H05K2203/085H05K2203/1581
    • A reflow soldering apparatus for soldering a first component mounted on a substrate with a first solder having a first melting point and soldering a second component mounted on the substrate with a second solder having a second melting point higher than the first melting point. The reflow soldering apparatus includes a heat source for substantially uniformly heating the substrate, a capsule for enclosing the second component, and a vacuum pump for decreasing the pressure in the capsule. The melting point of the second solder can be lowered by operating the vacuum pump to decrease the pressure in the capsule by a given amount, so that the first component and the second component can be reflow-soldered at substantially the same temperature.
    • 一种回流焊接装置,用于利用具有第一熔点的第一焊料焊接安装在基板上的第一部件,并用安装在基板上的第二部件焊接第二熔点高于第一熔点的第二焊料。 回流焊接装置包括用于基本均匀地加热基板的热源,用于封闭第二部件的胶囊和用于减小胶囊中的压力的​​真空泵。 可以通过操作真空泵来降低第二焊料的熔点,从而将胶囊中的压力降低给定量,使得第一组分和第二组分可以在基本上相同的温度下回流焊接。
    • 30. 发明授权
    • Printed wiring board design aiding apparatus, printed wiring board design aiding method, and printed wiring board design aiding program
    • 印刷线路板设计辅助设备,印刷线路板设计辅助方法和印刷线路板设计辅助程序
    • US07260806B2
    • 2007-08-21
    • US11167264
    • 2005-06-28
    • Kenji FukuzonoHideaki Yoshimura
    • Kenji FukuzonoHideaki Yoshimura
    • G06F17/50G06F19/00
    • H05K3/0005G06F17/5018G06F2217/80H05K1/0271H05K2201/068
    • The present invention provides a printed wiring board design aiding apparatus, method, and program that can easily and inexpensively predict the displacement of a printed wiring board of complicated shape and configuration due to temperature change. The printed wiring board design aiding program makes a computer execute the steps including a mesh division step that divides an analytical model of a printed wiring board obtained as data into meshes, a mesh displacement calculation step that calculates displacements of respective meshes of a printed wiring board which is divided in the mesh division step, a mesh displacement connection step that connects mesh displacements calculated in the mesh displacement calculation step so that the inclination of borders of respective meshes become equal, and a displacement calculation step that calculates a displacement using an entire displacement of a printed wiring board which is obtained in the mesh displacement connection step.
    • 本发明提供一种印刷线路板设计辅助装置,方法和程序,其可以容易且廉价地预测由于温度变化而导致的复杂形状和结构的印刷线路板的位移。 印刷线路板设计辅助程序使得计算机执行包括将作为数据获得的印刷线路板的分析模型划分成网格的网格分割步骤的步骤,网格位移计算步骤,其计算印刷线路板的各个网格的位移 其在网格划分步骤中被划分为网格位移连接步骤,其连接在网格位移计算步骤中计算的网格位移,使得各个网格的边界的倾斜度相等;以及位移计算步骤,其使用整个位移计算位移 在网格位移连接步骤中获得的印刷线路板。