SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THEREOF

    公开(公告)号:US20230253449A1

    公开(公告)日:2023-08-10

    申请号:US17935528

    申请日:2022-09-26

    CPC classification number: H01L29/0653 H01L21/76224 H01L29/4232 H01L29/66553

    Abstract: A semiconductor device includes a lower pattern extending in a first direction and sheet patterns spaced apart therefrom in a second direction, a gate structure on the lower pattern and including a gate insulating layer, a gate spacer, and a gate electrode, a source/drain pattern on the lower pattern and in contact with the sheet patterns and the gate insulating layer, and a first etch blocking pattern between the gate spacer and the source/drain pattern. The gate spacer includes an inner sidewall extending in the third direction, and a connection sidewall extending from the inner sidewall in the first direction. The source/drain pattern includes a semiconductor filling layer on a semiconductor liner layer that is in contact with the sheet pattern and includes a facet surface extending from the connection sidewall. The first etch blocking pattern is in contact with the facet surface and the connection sidewall.

    Semiconductor devices
    5.
    发明授权

    公开(公告)号:US11942551B2

    公开(公告)日:2024-03-26

    申请号:US17519967

    申请日:2021-11-05

    Abstract: A semiconductor device includes a multi-channel active pattern, a plurality of gate structures on the multi-channel active pattern and spaced apart from each other in a first direction, the plurality of gate structures including a gate electrode that extends in a second direction different from the first direction, a source/drain recess between the adjacent gate structures, and a source/drain pattern on the multi-channel active pattern in the source/drain recess, wherein the source/drain pattern includes: a semiconductor liner layer including silicon-germanium and extending along the source/drain recess, a semiconductor filling layer including silicon-germanium on the semiconductor liner layer, and at least one or more semiconductor insertion layers between the semiconductor liner layer and the semiconductor filling layer, and wherein the at least one or more semiconductor insertion layers have a saddle structure.

    SEMICONDUCTOR DEVICE
    7.
    发明公开

    公开(公告)号:US20230145260A1

    公开(公告)日:2023-05-11

    申请号:US17831513

    申请日:2022-06-03

    CPC classification number: H01L29/7851 H01L29/0649 H01L29/41791

    Abstract: A semiconductor device including: a plurality of fin-shaped patterns spaced apart from each other in a first direction and extending in a second direction on a substrate; a field insulating layer covering sidewalls of the plurality of fin-shaped patterns and disposed between the fin-shaped patterns; a source/drain pattern connected to the plurality of fin-shaped patterns on the field insulating layer, the source/drain pattern including bottom surfaces respectively connected to the fin-shaped patterns, and at least one connection surface connecting the bottom surfaces to each other; and a sealing insulating pattern extending along the connection surface of the source/drain pattern and an upper surface of the field insulating layer, wherein the source/drain pattern includes a silicon-germanium pattern doped with a p-type impurity.

    Semiconductor device
    8.
    发明授权

    公开(公告)号:US12021131B2

    公开(公告)日:2024-06-25

    申请号:US17460446

    申请日:2021-08-30

    Abstract: A semiconductor device includes an active pattern including a lower pattern and a plurality of sheet patterns; a gate structure disposed on the lower pattern and surrounding the plurality of sheet patterns; and a source/drain pattern filling a source/drain recess formed on one side of the gate structure. The source/drain pattern includes a first semiconductor pattern extending along the source/drain recess and contacting the lower pattern, a second and third semiconductor patterns sequentially disposed on the first semiconductor pattern, a lower surface of the third semiconductor pattern is disposed below a lower surface of a lowermost sheet pattern, a side surface of the third semiconductor pattern includes a planar portion, and a thickness of the second semiconductor pattern on the lower surface of the third semiconductor pattern is different from a thickness of the second semiconductor pattern on the planar portion of the side surface of the third semiconductor pattern.

    SEMICONDUCTOR PROCESS CHAMBER INCLUDING LOWER VOLUME UPPER DOME

    公开(公告)号:US20180355510A1

    公开(公告)日:2018-12-13

    申请号:US15869905

    申请日:2018-01-12

    CPC classification number: C30B25/12 C23C16/4585 H01L29/0847 H01L29/66795

    Abstract: A semiconductor process chamber includes a susceptor, a base plate surrounding the susceptor, a liner on an inner sidewall of the base plate, and a preheat ring between the susceptor and the base plate and coplanar with the susceptor. The process chamber further includes an upper dome coupled to the base plate and covering an upper surface of the susceptor. The upper dome includes a first section on an upper surface of the base plate and a second section extending from the first section and overlapping the susceptor. The first section includes a first region on the upper surface of the base plate, a second region extending from the first region past the base plate, and a third region extending from the second region with a decreasing thickness to contact the second section.

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