INDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREOF
    3.
    发明申请
    INDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREOF 审中-公开
    电感结构及其制造方法

    公开(公告)号:US20150097268A1

    公开(公告)日:2015-04-09

    申请号:US14483656

    申请日:2014-09-11

    Applicant: XINTEC INC.

    Abstract: An inductor structure includes a substrate, a protection layer, a patterned first conductive layer, copper bumps, a passivation layer, a diffusion barrier layer, and an oxidation barrier layer. The protection layer is located on the substrate. The bond pads of the substrate are respectively exposed through protection layer openings. The first conductive layer is located on the surfaces of the bond pads and the protection layer adjacent to the protection layer openings. The copper bumps are located on the first conductive layer. The passivation layer is located on the protection layer and the copper bumps. At least one of the copper bumps is exposed through a passivation layer opening. The diffusion barrier layer is located on the copper bump that is exposed through the passivation layer opening. The oxidation barrier layer is located on the diffusion barrier layer.

    Abstract translation: 电感器结构包括衬底,保护层,图案化的第一导电层,铜凸块,钝化层,扩散阻挡层和氧化阻挡层。 保护层位于基板上。 衬底的接合焊盘分别通过保护层开口露出。 第一导电层位于接合焊盘和与保护层开口相邻的保护层的表面上。 铜凸块位于第一导电层上。 钝化层位于保护层和铜凸块上。 铜凸块中的至少一个通过钝化层开口露出。 扩散阻挡层位于通过钝化层开口暴露的铜凸块上。 氧化阻挡层位于扩散阻挡层上。

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