Semiconductor device and method of manufacturing the same

    公开(公告)号:US12262558B2

    公开(公告)日:2025-03-25

    申请号:US17840819

    申请日:2022-06-15

    Abstract: A semiconductor device includes a substrate including first and second regions, first and second active patterns provided on the first and second regions, respectively, a pair of first source/drain patterns on the first active pattern and a first channel pattern therebetween, a pair of second source/drain patterns on the second active pattern and a second channel pattern therebetween, first and second gate electrodes respectively provided on the first and second channel patterns, and first and second gate insulating layers respectively interposed between the first and second channel patterns and the first and second gate electrodes. Each of the first and second gate insulating layers includes an interface layer and a first high-k dielectric layer thereon, and the first gate insulating layer further includes a second high-k dielectric layer on the first high-k dielectric layer.

    Semiconductor transistor device including multiple channel layers with different materials

    公开(公告)号:US12224357B2

    公开(公告)日:2025-02-11

    申请号:US17804102

    申请日:2022-05-26

    Abstract: A semiconductor device includes a first active region, a second active region spaced apart from the first active region, a plurality of first channel layers disposed on the first active region, and a second channel layer disposed on the second active region. The semiconductor device further includes a first gate structure intersecting the first active region and the first channel layers, a second gate structure intersecting the second active region and the second channel layer, a first source/drain region disposed on the first active region and contacting the plurality of first channel layers, and a second source/drain region and contacting the second channel layer. The plurality of first channel layers includes a first uppermost channel layer and first lower channel layers disposed below the first uppermost channel layer, and the first uppermost channel layer includes a material that is different from a material included in the first lower channel layers.

    Multi-oxide-semiconductor field-effect transistor with stacked source/drain structure

    公开(公告)号:US12154988B2

    公开(公告)日:2024-11-26

    申请号:US17585686

    申请日:2022-01-27

    Abstract: Disclosed are a semiconductor device and a method of fabricating the same, the semiconductor device including an active pattern on a substrate, a source/drain pattern on the active pattern, a channel pattern on the active pattern, connected to the source/drain pattern, and including stacked semiconductor patterns, a gate electrode extending in a first direction and crossing the channel pattern, and a gate insulating layer between the gate electrode and the channel pattern. The source/drain pattern includes first and second semiconductor layers, the first semiconductor layer including a center portion including a second outer side surface in contact with the gate insulating layer and an edge portion adjacent to a side of the center portion and including a first outer side surface in contact with the gate insulating layer. The second outer side surface is further recessed toward the second semiconductor layer, compared with the first outer side surface.

    SEMICONDUCTOR DEVICES
    28.
    发明申请

    公开(公告)号:US20230065755A1

    公开(公告)日:2023-03-02

    申请号:US17709940

    申请日:2022-03-31

    Abstract: A semiconductor device includes: an active region extending on a substrate in a first direction; a gate structure intersecting the active region and extending on the substrate in a second direction; and a source/drain region on the active region on at least one side of the gate structure. The source/drain region may include a first epitaxial layer on the active region and including impurities of a first conductivity type in a first concentration, a second epitaxial layer on the first epitaxial layer and including the impurities of the first conductivity type in a second concentration, and a first barrier layer between the first epitaxial layer and the second epitaxial layer, wherein the first barrier layer includes doped oxygen.

    Semiconductor devices and methods of fabricating the same
    30.
    发明授权
    Semiconductor devices and methods of fabricating the same 有权
    半导体器件及其制造方法

    公开(公告)号:US09178060B2

    公开(公告)日:2015-11-03

    申请号:US14562937

    申请日:2014-12-08

    Abstract: A MOS transistor includes a pair of impurity regions formed in a substrate as spaced apart from each other, and a gate electrode formed on a region of the substrate located between the pair of impurity regions. Each of the impurity regions is formed of a first epitaxial layer, a second epitaxial layer on the first epitaxial layer, and a third epitaxial layer on the second epitaxial layer. The first epitaxial layer is formed of at least one first sub-epitaxial layer and a respective second sub-epitaxial layer stacked on each first sub-epitaxial layer. An impurity concentration of the first sub-epitaxial layer is less than that of the second sub-epitaxial layer.

    Abstract translation: MOS晶体管包括在彼此间隔开的基板中形成的一对杂质区,以及形成在位于该对杂质区之间的基板的区域上的栅电极。 每个杂质区由第一外延层,第一外延层上的第二外延层和第二外延层上的第三外延层形成。 第一外延层由堆叠在每个第一子外延层上的至少一个第一子外延层和相应的第二子外延层形成。 第一子外延层的杂质浓度小于第二子外延层的杂质浓度。

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