Fin-FET transistor with punchthrough barrier and leakage protection regions
    14.
    发明授权
    Fin-FET transistor with punchthrough barrier and leakage protection regions 有权
    Fin-FET晶体管具有穿透屏障和漏电保护区域

    公开(公告)号:US09263549B2

    公开(公告)日:2016-02-16

    申请号:US13865478

    申请日:2013-04-18

    CPC classification number: H01L29/66537 H01L29/66545 H01L29/66795 H01L29/785

    Abstract: A method of forming a field effect transistor includes forming a punchthrough region having a first conductivity type in a substrate, forming an epitaxial layer having the first conductivity type on the substrate, patterning the epitaxial layer to form a fin that protrudes from the substrate, forming a dummy gate and gate sidewall spacers on the fin defining preliminary source and drain regions of the fin on opposite sides of the dummy gate, removing the preliminary source and drain regions of the fin, implanting second conductivity type dopant atoms into exposed portions of the substrate and the punchthrough region, and forming source and drain regions having the second conductivity type on opposite sides of the dummy gate and the gate sidewall spacers.

    Abstract translation: 形成场效应晶体管的方法包括在衬底中形成具有第一导电类型的穿透区域,在衬底上形成具有第一导电类型的外延层,图案化外延层以形成从衬底突出的鳍状物,形成 翅片上的虚拟栅极和栅极侧壁间隔物,其限定了在虚拟栅极的相对侧上的鳍片的初始源极和漏极区域,去除鳍片的初始源极和漏极区域,将第二导电类型掺杂剂原子注入衬底的暴露部分 并且穿透区域,并且在伪栅极和栅极侧壁间隔物的相对侧上形成具有第二导电类型的源极和漏极区域。

    FIN-FET TRANSISTOR WITH PUNCHTHROUGH BARRIER AND LEAKAGE PROTECTION REGIONS
    15.
    发明申请
    FIN-FET TRANSISTOR WITH PUNCHTHROUGH BARRIER AND LEAKAGE PROTECTION REGIONS 有权
    具有穿孔障碍物和漏电保护区域的FIN-FET晶体管

    公开(公告)号:US20140312393A1

    公开(公告)日:2014-10-23

    申请号:US13865478

    申请日:2013-04-18

    CPC classification number: H01L29/66537 H01L29/66545 H01L29/66795 H01L29/785

    Abstract: A method of forming a field effect transistor includes forming a punchthrough region having a first conductivity type in a substrate, forming an epitaxial layer having the first conductivity type on the substrate, patterning the epitaxial layer to form a fin that protrudes from the substrate, forming a dummy gate and gate sidewall spacers on the fin defining preliminary source and drain regions of the fin on opposite sides of the dummy gate, removing the preliminary source and drain regions of the fin, implanting second conductivity type dopant atoms into exposed portions of the substrate and the punchthrough region, and forming source and drain regions having the second conductivity type on opposite sides of the dummy gate and the gate sidewall spacers.

    Abstract translation: 形成场效应晶体管的方法包括在衬底中形成具有第一导电类型的穿透区域,在衬底上形成具有第一导电类型的外延层,图案化外延层以形成从衬底突出的鳍状物,形成 翅片上的虚拟栅极和栅极侧壁间隔物,其限定了在虚拟栅极的相对侧上的鳍片的初始源极和漏极区域,去除鳍片的初始源极和漏极区域,将第二导电类型掺杂剂原子注入衬底的暴露部分 并且穿透区域,并且在伪栅极和栅极侧壁间隔物的相对侧上形成具有第二导电类型的源极和漏极区域。

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