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    • 3. 发明申请
    • PRINTED WIRING BOARD
    • 印刷线路板
    • US20160242285A1
    • 2016-08-18
    • US15044380
    • 2016-02-16
    • IBIDEN CO., LTD.
    • Takayuki KatsunoYuki ItoTakeshi FurusawaTakema Adachi
    • H05K1/11H05K1/09
    • H05K1/0271H05K3/007H05K3/025H05K3/188H05K3/244H05K2201/0338H05K2201/0344H05K2201/098H05K2203/1184
    • A printed wiring board includes a resin insulating layer having recess portions formed on first surface, a first conductor layer formed in the recess portions and including pads positioned to mount an electronic component, conductive pillars formed on the pads, respectively, and formed to mount the electronic component onto the resin insulating layer, a second conductor layer formed on second surface of the resin insulating layer on the opposite side with respect to the first surface, and a via conductor formed in the resin insulating layer such that the via conductor is penetrating through the resin insulating layer and connecting the first and second conductor layers. The pillars is formed such that each of the pads has an exposed surface exposed from a respective one of the conductive pillars, and the pads are formed such that the exposed surface is recessed from the first surface of the resin insulating layer.
    • 印刷电路板包括具有形成在第一表面上的凹部的树脂绝缘层,形成在凹部中的第一导体层,并且包括分别安装电子部件的焊盘,形成在焊盘上的导电柱,并形成为安装 电子部件到树脂绝缘层上,在相对于第一表面的相对侧的树脂绝缘层的第二表面上形成的第二导体层和形成在树脂绝缘层中的通孔导体,使得通孔导体穿透 树脂绝缘层并连接第一和第二导体层。 柱形成为使得每个焊盘具有从相应的一个导电柱露出的暴露表面,并且焊盘被形成为使得暴露的表面从树脂绝缘层的第一表面凹陷。