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    • 3. 发明授权
    • Semiconductor structure and method for manufacturing the same
    • 半导体结构及其制造方法
    • US09419108B2
    • 2016-08-16
    • US14406904
    • 2012-08-17
    • Qingqing LiangHuicai ZhongHuilong ZhuChao ZhaoTianchun Ye
    • Qingqing LiangHuicai ZhongHuilong ZhuChao ZhaoTianchun Ye
    • H01L29/66H01L29/78
    • H01L29/66795H01L29/785H01L29/7855
    • One embodiment of present invention provides a method for manufacturing a semiconductor structure, which comprises: forming a gate stack on a semiconductor substrate and removing parts of the substrates situated on two sides of the gate stack; forming sidewall spacers on sidewalls of the gate stack and on sidewalls of the part of the substrate under the gate stack; forming doped regions in parts of the substrate on two sides of the gate stack, and forming a first dielectric layer to cover the entire semiconductor structure; selectively removing parts of the gate stack and parts of the first dielectric layer to form a channel region opening and source/drain region openings; forming a high K dielectric layer on sidewalls of the channel region opening; and implementing epitaxy process to form a continuous fin structure that spans across the channel region opening and the source/drain region openings.
    • 本发明的一个实施例提供了一种用于制造半导体结构的方法,其包括:在半导体衬底上形成栅极叠层并去除位于栅极叠层两侧的衬底的部分; 在所述栅极堆叠的侧壁上以及在所述栅极堆叠下的所述衬底的所述部分的侧壁上形成侧壁间隔物; 在所述栅极堆叠的两侧上在所述衬底的部分中形成掺杂区域,以及形成覆盖整个半导体结构的第一介电层; 选择性地去除所述栅极堆叠的部分和所述第一介电层的部分以形成沟道区域开口和源极/漏极区域开口; 在沟道区域开口的侧壁上形成高K电介质层; 并且实现外延工艺以形成跨越沟道区域开口和源极/漏极区域开口的连续翅片结构。
    • 4. 发明申请
    • METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
    • 制造半导体器件的方法
    • US20150236134A1
    • 2015-08-20
    • US14412237
    • 2012-07-18
    • Huicai ZhongQingqing LiangChao Zhao
    • Huicai ZhongQingqing LiangChao Zhao
    • H01L29/66
    • H01L29/66795H01L21/268H01L21/76283H01L29/665H01L29/785
    • A method of manufacturing a FinFET semiconductor device is provided, wherein the semiconductor fins are formed in a parallel arrangement which intersects the gates arranged in parallel. The polycrystalline silicon layer is deposited and then converted into a single crystal silicon layer such that the single crystal silicon layer and the semiconductor fins are integrated in essence, i.e., the source/drain region in the semiconductor fins is raised and the top area of the semiconductor fins is extended. Subsequently, the single crystal silicon layer above the top of the semiconductor fins is converted into a metal silicide so as to form a source/drain region contact. The source/drain region contact in the present invention has a larger area than that in a conventional FinFET, which decreases the contact resistance and facilitates the formation of a self-aligned metal plug in the follow-up process.
    • 提供一种制造FinFET半导体器件的方法,其中半导体鳍片形成为与并行布置的栅极相交的平行布置。 沉积多晶硅层,然后转换为单晶硅层,使得单晶硅层和半导体鳍片本质上是集成的,即半导体鳍片中的源极/漏极区域被升高,并且顶部区域 半导体鳍片延伸。 随后,将半导体鳍片顶部上方的单晶硅层转换为金属硅化物,以形成源极/漏极区域接触。 本发明中的源极/漏极区域的接触面积大于传统的FinFET的面积,这在以后的过程中降低了接触电阻并且有利于形成自对准的金属插塞。
    • 5. 发明授权
    • Embedded source/drain MOS transistor
    • 嵌入式源极/漏极MOS晶体管
    • US08748983B2
    • 2014-06-10
    • US13380828
    • 2011-08-12
    • Huicai ZhongChao ZhaoQingqing Liang
    • Huicai ZhongChao ZhaoQingqing Liang
    • H01L27/12H01L21/70
    • H01L29/0847H01L29/165H01L29/66636H01L29/78H01L29/7848
    • An embedded source/drain MOS transistor and a formation method thereof are provided. The embedded source/drain MOS transistor comprises: a semiconductor substrate; a gate structure on the semiconductor substrate; and a source/drain stack embedded in the semiconductor substrate at both sides of the gate structure with an upper surface of the source/drain stack being exposed, wherein the source/drain stack comprises a dielectric layer and a semiconductor layer above the dielectric layer. The present invention can cut off the path for the leakage current from the source region and the drain region to the semiconductor substrate, thereby reducing the leakage current from the source region and the drain region to the semiconductor substrate.
    • 提供一种嵌入式源极/漏极MOS晶体管及其形成方法。 嵌入式源极/漏极MOS晶体管包括:半导体衬底; 半导体衬底上的栅极结构; 以及在源极/漏极叠层的上表面被暴露的栅极结构的两侧嵌入在半导体衬底中的源极/漏极堆叠,其中源极/漏极叠层包括电介质层和介电层上方的半导体层。 本发明可以切断从源极区域和漏极区域到半导体衬底的漏电流的路径,从而减少从源极区域和漏极区域到半导体衬底的漏电流。