Semiconductor integrated circuit and fabrication process thereof
    3.
    发明授权
    Semiconductor integrated circuit and fabrication process thereof 有权
    半导体集成电路及其制造工艺

    公开(公告)号:US07378305B2

    公开(公告)日:2008-05-27

    申请号:US11132325

    申请日:2005-05-19

    IPC分类号: H01L21/00 H01L21/84

    摘要: A semiconductor integrated circuit device includes an n-channel MOS transistor formed on a first device region of a silicon substrate and a p-channel MOS transistor formed on a second device region of the silicon substrate, wherein the n-channel MOS transistor includes a first gate electrode carrying a pair of first sidewall insulation films formed on respective sidewall surfaces thereof, the p-channel MOS transistor includes a second gate electrode carrying a pair of second sidewall insulation films formed on respective sidewall surfaces thereof, first and second SiGe mixed crystal regions being formed in the second device region epitaxially so as to fill first and second trenches formed at respective, outer sides of the second sidewall insulation films so as to be included in source and drain diffusions of the p-channel MOS transistor, a distance between n-type source and drain diffusion region in the first device region being larger than a distance between the p-type source and drain diffusion regions in the second device region.

    摘要翻译: 半导体集成电路器件包括形成在硅衬底的第一器件区上的n沟道MOS晶体管和形成在硅衬底的第二器件区上的p沟道MOS晶体管,其中n沟道MOS晶体管包括第一 所述p沟道MOS晶体管包括:第二栅极,其在其各个侧壁表面上形成有一对第二侧壁绝缘膜,第一和第二SiGe混合晶体区域 在第二器件区域外延形成,以便填充形成在第二侧壁绝缘膜的相应的外侧的第一和第二沟槽,以便包含在p沟道MOS晶体管的源极和漏极扩散中,n 第一器件区域中的源极和漏极扩散区域大于p型源极和栅极之间的距离 n个扩散区域。

    Semiconductor integrated circuit device and fabrication process thereof
    4.
    发明授权
    Semiconductor integrated circuit device and fabrication process thereof 有权
    半导体集成电路器件及其制造工艺

    公开(公告)号:US07202120B2

    公开(公告)日:2007-04-10

    申请号:US11136710

    申请日:2005-05-25

    IPC分类号: H01L21/84

    摘要: A semiconductor integrated circuit includes an n-channel MOS transistor and a p-channel MOS transistor formed respectively in first and second device regions of a substrate, the n-channel MOS transistor including a first gate electrode carrying sidewall insulation films on respective sidewall surfaces thereof, the p-channel MOS transistor including a second gate electrode carrying sidewall insulation films on respective sidewall surfaces thereof, wherein there is provided a stressor film on the substrate over the first and second device regions such that the stressor film covers the first gate electrode including the sidewall insulation films thereof and the second gate electrode including the sidewall insulation films thereof, wherein the stressor film has a decreased film thickness in the second device region at least in the vicinity of a base part of the second gate electrode.

    摘要翻译: 半导体集成电路包括分别形成在衬底的第一和第二器件区域中的n沟道MOS晶体管和p沟道MOS晶体管,所述n沟道MOS晶体管包括在其各个侧壁表面上承载侧壁绝缘膜的第一栅极电极 所述p沟道MOS晶体管包括在其各个侧壁表面上承载侧壁绝缘膜的第二栅电极,其中在所述第一和第二器件区上的所述衬底上设置有应力膜,使得所述应力器膜覆盖所述第一栅电极,包括 其侧壁绝缘膜和包括其侧壁绝缘膜的第二栅电极,其中至少在第二栅电极的基部附近,应力膜在第二器件区域中具有降低的膜厚度。

    Semiconductor device and fabrication process thereof
    6.
    发明申请
    Semiconductor device and fabrication process thereof 有权
    半导体器件及其制造工艺

    公开(公告)号:US20060163557A1

    公开(公告)日:2006-07-27

    申请号:US11114047

    申请日:2005-04-26

    IPC分类号: H01L31/109

    摘要: A p-channel MOS transistor includes a strained SOI substrate formed of a SiGe mixed crystal layer and a strained Si layer formed on the SiGe mixed crystal layer via an insulation film, a channel region being formed in the strained Si layer, a gate electrode formed on the strained Si layer in correspondence to the channel region via a gate insulation film, and first and second p-type diffusion regions formed in the strained Si layer at respective first and second sides of the channel region, wherein the strained Si layer has first and second sidewall surfaces respectively at the first and second sides thereof, a first SiGe mixed crystal region being formed epitaxially to the SiGe mixed crystal layer in contact with the first sidewall surface, a second SiGe mixed crystal region being formed epitaxially to the SiGe mixed crystal layer in contact with the second sidewall surface, the first and second SiGe mixed crystal regions being in lattice matching with the strained silicon layer respectively at the first and second sidewall surfaces.

    摘要翻译: p沟道MOS晶体管包括由SiGe混晶层形成的应变SOI衬底和经由绝缘膜形成在SiGe混晶层上的应变Si层,形成在应变Si层中的沟道区,形成栅电极 在通过栅极绝缘膜对应于沟道区的应变Si层上,以及在沟道区的相应第一和第二侧处在应变Si层中形成的第一和第二p型扩散区,其中应变Si层具有第一 和第二侧壁表面,分别与第一侧壁表面接触的SiGe混合晶体层外延形成第一SiGe混合晶体区域,第二SiGe混合晶体区域外延形成SiGe混合晶体 层与第二侧壁表面接触,第一和第二SiGe混合晶体区域与应变硅层的格子匹配 在第一和第二侧壁表面上。

    Semiconductor device with compressive and tensile stresses
    9.
    发明授权
    Semiconductor device with compressive and tensile stresses 有权
    具有压缩和拉伸应力的半导体器件

    公开(公告)号:US07816766B2

    公开(公告)日:2010-10-19

    申请号:US11131211

    申请日:2005-05-18

    IPC分类号: H01L29/06

    摘要: A semiconductor device includes a gate electrode formed on a silicon substrate in correspondence to a channel region via a gate insulation film, and source and drain regions of p-type formed in the silicon substrate at respective outer sides of sidewall insulation films on the gate electrode, a pair of SiGe mixed crystal regions formed in the silicon substrate at respective outer sides of the sidewall insulation films epitaxially to the silicon substrate so as to be enclosed respectively by the source and drain regions, each of the SiGe mixed crystal regions being grown to a level above a level of a gate insulation film interface between the gate insulation film and the silicon substrate, wherein there is provided a compressive stress film at respective top surfaces of the SiGe mixed crystal regions.

    摘要翻译: 半导体器件包括形成在硅衬底上的栅电极,其对应于通过栅极绝缘膜的沟道区,以及在栅极上的侧壁绝缘膜的相应外侧在硅衬底中形成的p型源区和漏区 ,一对SiGe混合晶体区域,其形成在硅衬底的外侧的侧壁绝缘膜的外侧的硅衬底上,以分别由源极和漏极区域包围,每个SiGe混合晶体区域生长到 在栅极绝缘膜和硅衬底之间的栅极绝缘膜界面的电平以上的水平面,其中在SiGe混合晶体区域的各个顶表面处提供压应力膜。