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    • 2. 发明申请
    • Circuit Board
    • 电路板
    • US20080190657A1
    • 2008-08-14
    • US10597306
    • 2005-01-06
    • Yoshifumi KanetakaNaomi Ishizuka
    • Yoshifumi KanetakaNaomi Ishizuka
    • H05K1/11H01R12/04
    • H05K1/116H05K3/3447H05K2201/094H05K2201/09854H05K2201/10189Y10T29/49139
    • A circuit board includes a plurality of through holes (14, 44) into which a plurality of leads (18) of one electronic devices are inserted and soldered. Among these through holes (14, 44), the volume of through hole (14b, 24b, 34b, 44b, 54, 64b) into which the outermost end lead of leads (18) of the electronic device is inserted, is set greater than the volume of through hole (14a, 44a), into which the lead at the position nearest to the center of the electronic device is inserted. Alternatively, the size of through hole (14b, 24b, 34b, 44b, 54, 64b), into which the outermost end lead of leads (18) is inserted, the size being measured in a direction of a straight line that connects a position of the outermost end lead of leads (18) of the electronic device, which is mounted before being soldered, and a center position of the electronic device at the time when the electronic device is mounted, is larger than the size of through hole (14a, 44a), into which the lead of leads (18) which is located at the position nearest to the center of the electronic device is inserted, the size being measured in any direction in a plane. Alternatively, the center position of through hole (74b), into which outermost end lead (18) of the electronic device is inserted, is shifted in a direction away from or approaching the center position of the electronic device at the time when the electronic device is mounted, from the position of outermost end lead (18) of the electronic device, which is mounted before being soldered, in accordance with the relationship between the amount of thermal expansion of the electronic device and that of the circuit board.
    • 电路板包括多个通孔(14,44),一个电子设备的多个引线(18)插入并焊接到其中。 在这些通孔(14,44)中,插入电子装置的引线(18)的最外端引线的通孔(14b,24b,34b,44b,54,64b)的容积 被设定为大于通孔(14a,44a)的体积,最靠近电子设备中心的位置处的引线插入其中。 或者,引线(18)的最外端引线插入的贯通孔(14b,24b,34b,44b,54bbb)的尺寸在直线方向上测量的尺寸 连接安装在焊接前的电子设备的引线(18)的最外端引线的位置与安装电子设备时的电子设备的中心位置的线大于尺寸 的通孔(14a,44a),其中位于最靠近电子设备中心的位置处的引线(18)的引线插入其中,该尺寸被测量在平面中的任何方向上。 或者,电子设备的最外端引线(18)插入其中的通孔(74b)的中心位置在电子设备的电子设备时沿远离或接近电子设备的中心位置的方向移动 装置根据电子装置的热膨胀量与电路板的热膨胀量之间的关系,从焊接前安装的电子装置的最外端引线(18)的位置安装。