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    • 2. 发明授权
    • Method for main spacer trim-back
    • 主间隔装饰方法
    • US08343867B2
    • 2013-01-01
    • US13234674
    • 2011-09-16
    • Jin-Aun NgYu-Ying HsuChi-Ju LeeSin-Hua WuBao-Ru YoungHarry-Hak-Lay Chuang
    • Jin-Aun NgYu-Ying HsuChi-Ju LeeSin-Hua WuBao-Ru YoungHarry-Hak-Lay Chuang
    • H01L21/4763
    • H01L21/823425H01L21/823468H01L21/823475
    • The embodiments of methods described in this disclosure for trimming back nitride spacers for replacement gates allows the hard mask layers (or hard mask) to protect the polysilicon above the high-K dielectric during trim back process. The process sequence also allows determining the trim-back amount based on the process uniformity (or control) of nitride deposition and nitride etchback (or trimming) processes. Nitride spacer trim-back process integration is critical to avoid creating undesirable consequences, such as silicided polyisicon on top of high-K dielectric described above. The integrated process also allows widening the space between the gate structures to allow formation of silicide with good quality and allow contact plugs to have sufficient contact with the silicide regions. The silicide with good quality and good contact between the contact plugs and the silicide regions increase the yield of contact and allows the contact resistance to be in acceptable and workable ranges.
    • 在本公开中描述的用于修整用于替换栅极的氮化物间隔物的方法的实施例允许硬掩模层(或硬掩模)在修整回复工艺期间保护高K电介质上方的多晶硅。 工艺顺序还允许基于氮化物沉积和氮化物回蚀(或修整)工艺的工艺均匀性(或控制)确定修剪量。 氮化物间隔件后退工艺集成对于避免产生不期望的后果至关重要,例如上述高K电介质顶部的硅化聚异氰酸酯。 集成的过程还允许扩大栅极结构之间的空间以允许形成具有良好质量的硅化物,并允许接触插塞与硅化物区域充分接触。 接触插塞和硅化物区域之间质量好,接触良好的硅化物提高了接触的收率,并使接触电阻达到可接受和可操作的范围。
    • 3. 发明申请
    • MAIN SPACER TRIM-BACK METHOD FOR REPLACEMENT GATE PROCESS
    • 用于替换门过程的主间隔三角法
    • US20110237040A1
    • 2011-09-29
    • US12730375
    • 2010-03-24
    • Jin-Aun NGYu-Ying HSUChi-Ju LEESin-Hua WUBao-Ru YOUNGHarry-Hak-Lay CHUANG
    • Jin-Aun NGYu-Ying HSUChi-Ju LEESin-Hua WUBao-Ru YOUNGHarry-Hak-Lay CHUANG
    • H01L21/336
    • H01L21/823425H01L21/823468H01L21/823475
    • The embodiments of methods described in this disclosure for trimming back nitride spacers for replacement gates allows the hard mask layers (or hard mask) to protect the polysilicon above the high-K dielectric during trim back process. The process sequence also allows determining the trim-back amount based on the process uniformity (or control) of nitride deposition and nitride etchback (or trimming) processes. Nitride spacer trim-back process integration is critical to avoid creating undesirable consequences, such as silicided polyisicon on top of high-K dielectric described above. The integrated process also allows widening the space between the gate structures to allow formation of silicide with good quality and allow contact plugs to have sufficient contact with the silicide regions. The silicide with good quality and good contact between the contact plugs and the silicide regions increase the yield of contact and allows the contact resistance to be in acceptable and workable ranges.
    • 在本公开中描述的用于修整用于替换栅极的氮化物间隔物的方法的实施例允许硬掩模层(或硬掩模)在修整回复工艺期间保护高K电介质上方的多晶硅。 工艺顺序还允许基于氮化物沉积和氮化物回蚀(或修整)工艺的工艺均匀性(或控制)确定修剪量。 氮化物间隔件后退工艺集成对于避免产生不期望的后果至关重要,例如上述高K电介质顶部的硅化聚异氰酸酯。 集成的过程还允许扩大栅极结构之间的空间以允许形成具有良好质量的硅化物,并允许接触插塞与硅化物区域充分接触。 接触插塞和硅化物区域之间质量好,接触良好的硅化物提高了接触的收率,并使接触电阻达到可接受和可操作的范围。
    • 5. 发明授权
    • Main spacer trim-back method for replacement gate process
    • 替代浇口工艺的主要间隔件修剪方法
    • US08039388B1
    • 2011-10-18
    • US12730375
    • 2010-03-24
    • Jin-Aun NgYu-Ying HsuChi-Ju LeeSin-Hua WuBao-Ru YoungHarry-Hak-Lay Chuang
    • Jin-Aun NgYu-Ying HsuChi-Ju LeeSin-Hua WuBao-Ru YoungHarry-Hak-Lay Chuang
    • H01L21/4763
    • H01L21/823425H01L21/823468H01L21/823475
    • The embodiments of methods described in this disclosure for trimming back nitride spacers for replacement gates allows the hard mask layers (or hard mask) to protect the polysilicon above the high-K dielectric during trim back process. The process sequence also allows determining the trim-back amount based on the process uniformity (or control) of nitride deposition and nitride etchback (or trimming) processes. Nitride spacer trim-back process integration is critical to avoid creating undesirable consequences, such as silicided polyisicon on top of high-K dielectric described above. The integrated process also allows widening the space between the gate structures to allow formation of silicide with good quality and allow contact plugs to have sufficient contact with the silicide regions. The silicide with good quality and good contact between the contact plugs and the silicide regions increase the yield of contact and allows the contact resistance to be in acceptable and workable ranges.
    • 在本公开中描述的用于修整用于替换栅极的氮化物间隔物的方法的实施例允许硬掩模层(或硬掩模)在修整回复工艺期间保护高K电介质上方的多晶硅。 工艺顺序还允许基于氮化物沉积和氮化物回蚀(或修整)工艺的工艺均匀性(或控制)确定修剪量。 氮化物间隔件后退工艺集成对于避免产生不期望的后果至关重要,例如上述高K电介质顶部的硅化聚异氰酸酯。 集成的过程还允许扩大栅极结构之间的空间以允许形成具有良好质量的硅化物,并允许接触插塞与硅化物区域充分接触。 接触插塞和硅化物区域之间质量好,接触良好的硅化物提高了接触的收率,并使接触电阻达到可接受和可操作的范围。
    • 7. 发明申请
    • METHOD FOR MAIN SPACER TRIM-BACK
    • 主要间距方法
    • US20120009754A1
    • 2012-01-12
    • US13234674
    • 2011-09-16
    • Jin-Aun NGYu-Ying HSUChi-Ju LEESin-Hua WUBao-Ru YOUNGHarry-Hak-Lay CHUANG
    • Jin-Aun NGYu-Ying HSUChi-Ju LEESin-Hua WUBao-Ru YOUNGHarry-Hak-Lay CHUANG
    • H01L21/336
    • H01L21/823425H01L21/823468H01L21/823475
    • The embodiments of methods described in this disclosure for trimming back nitride spacers for replacement gates allows the hard mask layers (or hard mask) to protect the polysilicon above the high-K dielectric during trim back process. The process sequence also allows determining the trim-back amount based on the process uniformity (or control) of nitride deposition and nitride etchback (or trimming) processes. Nitride spacer trim-back process integration is critical to avoid creating undesirable consequences, such as silicided polyisicon on top of high-K dielectric described above. The integrated process also allows widening the space between the gate structures to allow formation of silicide with good quality and allow contact plugs to have sufficient contact with the silicide regions. The silicide with good quality and good contact between the contact plugs and the silicide regions increase the yield of contact and allows the contact resistance to be in acceptable and workable ranges.
    • 在本公开中描述的用于修整用于替换栅极的氮化物间隔物的方法的实施例允许硬掩模层(或硬掩模)在修整回复工艺期间保护高K电介质上方的多晶硅。 工艺顺序还允许基于氮化物沉积和氮化物回蚀(或修整)工艺的工艺均匀性(或控制)确定修剪量。 氮化物间隔件后退工艺集成对于避免产生不期望的后果至关重要,例如上述高K电介质顶部的硅化聚异氰酸酯。 集成的过程还允许扩大栅极结构之间的空间以允许形成具有良好质量的硅化物,并允许接触插塞与硅化物区域充分接触。 接触插塞和硅化物区域之间质量好,接触良好的硅化物提高了接触的收率,并使接触电阻达到可接受和可操作的范围。