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    • 1. 发明授权
    • Solid electrolytic capacitor with face-down terminals, manufacturing method of the same, and lead frame for use therein
    • 具有面朝下端子的固体电解电容器及其制造方法和用于其中的引线框架
    • US07149077B2
    • 2006-12-12
    • US11274400
    • 2005-11-15
    • Masami Ishijima
    • Masami Ishijima
    • H01G4/228H01G9/10
    • H01G9/012H01G2/065H01G9/042H01G9/15
    • A face-down terminal solid electrolytic capacitor with the increased strength between electrode terminals and a casing resin is provided. The face-down terminal solid electrolytic capacitor has a structure where a mold structure in which a lead frame and capacitor elements fixed to the lead frame are overmolded with a casing resin is cut along cutting planes respectively passing through an anode terminal forming portion and a cathode terminal forming portion of the lead frame so that end surfaces of an anode terminal and a cathode terminal are exposed. In the lead frame, the anode terminal forming portion 21 and the cathode terminal forming portion 22 are provided so as to face each other. The anode terminal forming portion has a concave portion 21j on the board mount side and a convex portion 21t on the opposite side, which are formed by deforming part of the anode terminal forming portion in a direction perpendicular to a board mount surface. The concave portion is applied with plating. The convex portion has a flat portion parallel to the board mount surface and serving as a welding margin, an inclined portion 21b continuous with the flat portion and inclined so as to approach the board mount surface as going away from the flat portion, and projecting portions 21a on lateral sides of the convex portion. By cutting along a cutting plane 23a, the anode terminal is formed so as to have a cut end surface, a fillet surface 24a, and a board mount surface as exposed surfaces.
    • 提供了一种具有增加的电极端子和外壳树脂之间的强度的面向下端子的固体电解电容器。 面朝下端子固体电解电容器具有这样的结构,其中将固定到引线框架的引线框架和电容器元件用壳体树脂包覆成型的模具结构沿着分别通过阳极端子形成部分和阴极的切割平面切割 端子形成部分,使阳极端子和阴极端子的端面露出。 在引线框架中,阳极端子形成部分21和阴极端子形成部分22设置成彼此面对。 阳极端子形成部分在板安装侧具有凹部21j和相反侧的凸部21t,它们通过使阳极端子形成部分的一部分在垂直于板安装表面的方向变形而形成。 凹部用电镀施加。 凸部具有平行于板安装表面并用作焊接边缘的平坦部分,与平坦部分连续的倾斜部分21b,并且倾斜以便远离平板部分接近板安装表面,并且突出 在凸部的侧面上的部分21a。 通过沿着切割平面23a切割,阳极端子形成为具有切割端面,圆角表面24a和作为露出表面的板安装表面。
    • 2. 发明申请
    • Solid electrolytic capacitor with face-down terminals, manufacturing method of the same, and lead frame for use therein
    • US20060126273A1
    • 2006-06-15
    • US11274400
    • 2005-11-15
    • Masami Ishijima
    • Masami Ishijima
    • H01G9/00
    • H01G9/012H01G2/065H01G9/042H01G9/15
    • A face-down terminal solid electrolytic capacitor with the increased strength between electrode terminals and a casing resin is provided. The face-down terminal solid electrolytic capacitor has a structure where a mold structure in which a lead frame and capacitor elements fixed to the lead frame are overmolded with a casing resin is cut along cutting planes respectively passing through an anode terminal forming portion and a cathode terminal forming portion of the lead frame so that end surfaces of an anode terminal and a cathode terminal are exposed. In the lead frame, the anode terminal forming portion 21 and the cathode terminal forming portion 22 are provided so as to face each other. The anode terminal forming portion has a concave portion 21j on the board mount side and a convex portion 21t on the opposite side, which are formed by deforming part of the anode terminal forming portion in a direction perpendicular to a board mount surface. The concave portion is applied with plating. The convex portion has a flat portion parallel to the board mount surface and serving as a welding margin, an inclined portion 21b continuous with the flat portion and inclined so as to approach the board mount surface as going away from the flat portion, and projecting portions 21a on lateral sides of the convex portion. By cutting along a cutting plane 23a, the anode terminal is formed so as to have a cut end surface, a fillet surface 24a, and a board mount surface as exposed surfaces.