发明名称 WIRING BOARD AND ELECTRONIC COMPONENT DEVICE
摘要 A wiring board includes: an insulating layer; a pad including: an upper surface; a lower surface opposite to the upper surface; and a side surface between the upper surface and the lower surface, wherein the side surface and the lower surface of the pad are embedded in the insulating layer; and a metal post formed on the upper surface of the pad and including: an upper surface; a lower surface opposite to the upper surface; and a side surface between the upper surface and the lower surface, wherein a narrowed portion is formed in the side surface of the metal post.
申请公布号 US2016365327(A1) 申请公布日期 2016.12.15
申请号 US201615174440 申请日期 2016.06.06
申请人 SHINKO ELECTRIC INDUSTRIES CO., LTD. 发明人 Shimodaira Tomoyuki;Rokugawa Takahiro;Kondo Hitoshi
分类号 H01L23/00;H01L21/48;H01L21/56;H01L23/31 主分类号 H01L23/00
代理机构 代理人
主权项 1. A wiring board comprising: an insulating layer; a pad comprising: an upper surface; a lower surface opposite to the upper surface; and a side surface between the upper surface and the lower surface, wherein the side surface and the lower surface of the pad are embedded in the insulating layer; and a metal post formed on the upper surface of the pad and comprising: an upper surface; a lower surface opposite to the upper surface; and a side surface between the upper surface and the lower surface, wherein a narrowed portion is formed in the side surface of the metal post.
地址 Nagano-shi JP