SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
    1.
    发明申请
    SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME 审中-公开
    半导体器件及其制造方法

    公开(公告)号:US20140346617A1

    公开(公告)日:2014-11-27

    申请号:US14228806

    申请日:2014-03-28

    Abstract: A semiconductor device includes an interlayer insulating film on a substrate, the interlayer insulating film including first and second trenches, a gate insulating film in the first and second trenches, a first conductivity type work function control film on the gate insulating film in the first trench, a second conductivity type work function control film on the gate insulating film in the second trench, a first gate metal on the first conductivity type work function control film, the first gate metal filling the first trench, a second gate metal on the gate insulating film in the second trench, and a carrier mobility improving film on the second conductivity type work function control film, the carrier mobility improving film filling the second trench.

    Abstract translation: 半导体器件包括在基板上的层间绝缘膜,所述层间绝缘膜包括第一沟槽和第二沟槽,第一沟槽和第二沟槽中的栅极绝缘膜,第一沟槽中的栅极绝缘膜上的第一导电型功函数控制膜 在第二沟槽中的栅极绝缘膜上形成第二导电型功函数控制膜,第一导电型功函数控制膜上的第一栅极金属,填充第一沟槽的第一栅极金属,绝缘栅上的第二栅极金属 第二沟槽中的膜,以及第二导电型功函数控制膜上的载流子迁移率改善膜,填充第二沟槽的载流子迁移率改善膜。

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