Multigate field effect transistor and process thereof
    33.
    发明授权
    Multigate field effect transistor and process thereof 有权
    多场效应晶体管及其工艺

    公开(公告)号:US09159831B2

    公开(公告)日:2015-10-13

    申请号:US13662561

    申请日:2012-10-29

    Abstract: A multigate field effect transistor includes two fin-shaped structures and a dielectric layer. The fin-shaped structures are located on a substrate. The dielectric layer covers the substrate and the fin-shaped structures. At least two voids are located in the dielectric layer between the two fin-shaped structures. Moreover, the present invention also provides a multigate field effect transistor process for forming said multigate field effect transistor including the following steps. Two fin-shaped structures are formed on a substrate. A dielectric layer covers the substrate and the two fin-shaped structures, wherein at least two voids are formed in the dielectric layer between the two fin-shaped structures.

    Abstract translation: 多栅场效应晶体管包括两个鳍状结构和介电层。 鳍状结构位于基底上。 电介质层覆盖基板和鳍状结构。 在两个鳍状结构之间的电介质层中至少有两个空隙。 此外,本发明还提供了一种用于形成所述多栅极场效应晶体管的多栅场效应晶体管工艺,包括以下步骤。 在基板上形成两个鳍状结构。 电介质层覆盖基板和两个鳍状结构,其中在两个鳍状结构之间的电介质层中形成至少两个空隙。

    METHOD OF FABRICATING SEMICONDUCTOR DEVICE
    34.
    发明申请
    METHOD OF FABRICATING SEMICONDUCTOR DEVICE 有权
    制造半导体器件的方法

    公开(公告)号:US20150064896A1

    公开(公告)日:2015-03-05

    申请号:US14013429

    申请日:2013-08-29

    Abstract: Provided is a method of fabricating a semiconductor device including the following steps. A dummy gate structure is formed on a substrate, wherein the dummy gate structure includes a dummy gate and a stacked hard mask, and the stacked hard mask includes from bottom to top a first hard mask layer and a second hard mask layer. A spacer is formed on a sidewall of the dummy gate structure. A mask layer is formed on the substrate. An opening corresponding to the second hard mask layer is formed in the mask layer. The second hard mask layer is removed. The mask layer is removed. A dry etch process is performed to remove the first hard mask layer, wherein the dry etch process uses NF3 and H2 as etchants.

    Abstract translation: 提供一种制造半导体器件的方法,包括以下步骤。 在基板上形成虚拟栅极结构,其中虚拟栅极结构包括虚拟栅极和堆叠的硬掩模,并且堆叠的硬掩模从底部至顶部包括第一硬掩模层和第二硬掩模层。 在虚拟栅极结构的侧壁上形成间隔物。 在基板上形成掩模层。 在掩模层中形成与第二硬掩模层对应的开口。 去除第二个硬掩模层。 去除掩模层。 执行干蚀刻工艺以去除第一硬掩模层,其中干蚀刻工艺使用NF 3和H 2作为蚀刻剂。

    SEMICONDUCTOR STRUCTURE AND PROCESS THEREOF
    35.
    发明申请
    SEMICONDUCTOR STRUCTURE AND PROCESS THEREOF 有权
    半导体结构及其工艺

    公开(公告)号:US20140367779A1

    公开(公告)日:2014-12-18

    申请号:US13917623

    申请日:2013-06-13

    CPC classification number: H01L29/785 H01L29/42392 H01L29/66795 H01L29/78696

    Abstract: A semiconductor structure includes a fin-shaped structure and a gate. The fin-shaped structure is located in a substrate, wherein the fin-shaped structure has a through hole located right below a vacant part. The gate surrounds the vacant part. Moreover, the present invention also provides a semiconductor process including the following steps for forming said semiconductor structure. A substrate is provided. A fin-shaped structure is formed in the substrate, wherein the fin-shaped structure has a bottom part and a top part. A part of the bottom part is removed to form a vacant part in the corresponding top part, thereby forming the vacant part over a through hole. A gate is formed to surround the vacant part.

    Abstract translation: 半导体结构包括鳍状结构和栅极。 鳍状结构位于基板中,其中鳍状结构具有位于空部分正下方的通孔。 门围绕着空的部分。 此外,本发明还提供一种半导体工艺,包括用于形成所述半导体结构的以下步骤。 提供基板。 在基板上形成翅片状结构,其中,翅片状结构具有底部和顶部。 底部的一部分被去除以在相应的顶部形成空的部分,从而在通孔上形成空的部分。 形成围绕空闲部分的门。

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