METHOD FOR FABRICATING SEMICONDUCTOR DEVICE
    4.
    发明申请
    METHOD FOR FABRICATING SEMICONDUCTOR DEVICE 审中-公开
    制造半导体器件的方法

    公开(公告)号:US20140103405A1

    公开(公告)日:2014-04-17

    申请号:US13948696

    申请日:2013-07-23

    CPC classification number: H01L29/78 H01L21/302 H01L29/66477 H01L29/66575

    Abstract: A method is provided for fabricating a semiconductor device that includes: forming a gate pattern on a substrate; forming a source/drain in the vicinity of the gate pattern; forming an etch stop film, which covers the gate pattern and the source/drain, on the substrate; forming an interlayer insulating film on the etch stop film; forming a shared contact hole that exposes the gate pattern and the source/drain by etching the interlayer insulating film, wherein a polymer is generated in the shared contact hole a process of etching the interlayer insulating film; removing the polymer by performing etching using hydrogen gas, nitrogen gas or a mixture of hydrogen and nitrogen before etching the etch stop film; and etching the etch stop film.

    Abstract translation: 提供一种用于制造半导体器件的方法,该半导体器件包括:在衬底上形成栅极图案; 在栅极图案附近形成源极/漏极; 在衬底上形成覆盖栅极图案和源极/漏极的蚀刻停止膜; 在蚀刻停止膜上形成层间绝缘膜; 通过蚀刻层间绝缘膜形成暴露栅极图案和源极/漏极的共用接触孔,其中在共用接触孔中产生聚合物,蚀刻层间绝缘膜的工艺; 在蚀刻蚀刻停止膜之前通过使用氢气,氮气或氢和氮的混合物进行蚀刻来去除聚合物; 并蚀刻蚀刻停止膜。

    Semiconductor device
    5.
    发明授权

    公开(公告)号:US10991620B2

    公开(公告)日:2021-04-27

    申请号:US16282441

    申请日:2019-02-22

    Abstract: A semiconductor device includes gates extending in a first direction on a substrate, each gate of the gates including a gate insulation layer, a gate electrode, and a first spacer, first contact plugs contacting the substrate between adjacent ones of the gates, the first contact plugs being spaced apart from sidewalls of corresponding ones of the gates, a second contact plug contacting an upper surface of a corresponding gate electrode, the second contact plug being between first contact plugs, and an insulation spacer in a gap between the second contact plug and an adjacent first contact plug, the insulation spacer contacting sidewalls of the second contact plug and the adjacent first contact plug, and upper surfaces of the second contact plug and the adjacent first contact plug being substantially coplanar with each other.

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