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1. 发明授权

US10276292B2 Electronic module with polygonal core insertion hole 有权
公开(公告)号：US10276292B2
公开(公告)日：2019-04-30
申请号：US15080283
申请日：2016-03-24
申请人： FDK CORPORATION
发明人： Yohei Fujii , Makoto Okamoto , Masayoshi Kimura , Toshimasa Sugihara
IPC分类号： H01F27/28 , H01F27/30
摘要： An electronic module is provided with a circuit board including a central-axis insertion hole and composed by laminating a multitude of wiring layers; and a core formed of a magnetic material and inserted through the central-axis insertion hole, wherein the circuit board includes a plurality of coil wiring patterns formed in positions of the respective wiring layers surrounding the core insertion hole; and edge-face through-holes formed on inner wall surfaces of the central-axis core insertion hole to electrically connect the plurality of coil wiring patterns to form a coil, the central-axis insertion hole has a octagon shape in plan view, concave portions are disposed on the inner wall surfaces corresponding to sides of the octagon shape, and the edge-face through-holes are formed in the concave portions.

2. 发明申请

US20160284464A1 ELECTRONIC MODULE 审中-公开
标题翻译：电子模块
公开(公告)号：US20160284464A1
公开(公告)日：2016-09-29
申请号：US15080283
申请日：2016-03-24
申请人： FDK CORPORATION
发明人： Yohei Fujii , Makoto Okamoto , Masayoshi Kimura , Toshimasa Sugihara
IPC分类号： H01F27/28 , H01F27/24
CPC分类号： H01F27/2804 , H01F27/306 , H01F2027/2809
摘要： An electronic module is provided with a circuit board including a central-axis insertion hole and composed by laminating a multitude of wiring layers; and a core formed of a magnetic material and inserted through the central-axis insertion hole, wherein the circuit board includes a plurality of coil wiring patterns formed in positions of the respective wiring layers surrounding the core insertion hole; and edge-face through-holes formed on inner wall surfaces of the central-axis core insertion hole to electrically connect the plurality of coil wiring patterns to form a coil, the central-axis insertion hole has a octagon shape in plan view, concave portions are disposed on the inner wall surfaces corresponding to sides of the octagon shape, and the edge-face through-holes are formed in the concave portions.
摘要翻译：电子模块设置有包括中心轴插入孔的电路板，并且通过层叠多个布线层而构成。以及由磁性材料形成并插入穿过所述中心轴插入孔的芯体，其中所述电路板包括形成在围绕所述芯插入孔的各个布线层的位置的多个线圈布线图案; 以及形成在所述中心轴芯插入孔的内壁面上的边缘通孔，以将所述多个线圈布线图案电连接以形成线圈，所述中心轴插入孔在俯视图中为八边形，凹部设置在与八边形的侧面对应的内壁面上，在凹部形成有边缘面通孔。

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