SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
    2.
    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:US20140042531A1

    公开(公告)日:2014-02-13

    申请号:US13963194

    申请日:2013-08-09

    Abstract: A semiconductor device includes a trench in a substrate, a gate filling a part of the trench, a tilted source on a side wall of the trench, the tilted source partially overlapping the gate, an interlayer insulating film on the substrate and filling the trench, and a contact hole penetrating parts of the interlayer insulating film and the substrate and contacting the tilted source, the contact hole having a tilted surface at an angle that is equal to or larger than 80 degrees and smaller than 90 degrees.

    Abstract translation: 半导体器件包括衬底中的沟槽,填充沟槽的一部分的栅极,沟槽侧壁上的倾斜源,与栅极部分重叠的倾斜源,衬底上的层间绝缘膜并填充沟槽, 以及穿过所述层间绝缘膜和所述基板的部分的接触孔,并使所述倾斜源接触,所述接触孔具有等于或大于80度且小于90度的倾斜表面。

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