SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING THE SAME

    公开(公告)号:US20250107185A1

    公开(公告)日:2025-03-27

    申请号:US18738197

    申请日:2024-06-10

    Abstract: A semiconductor device includes a substrate including an active pattern, a channel pattern on the active pattern, and including a plurality of semiconductor patterns spaced apart from each other and vertically stacked, a gate electrode on the plurality of semiconductor patterns, and extending in a first horizontal direction, a gate spacer disposed on a sidewall of the gate electrode in a second horizontal direction crossing the first horizontal direction, a source/drain pattern electrically connected to the plurality of semiconductor patterns, and including a first epitaxial pattern and a second epitaxial pattern on a side surface of the first epitaxial pattern in the second horizontal direction, and a protection pattern between at least one of the plurality of semiconductor patterns and the gate spacer and including a material having an etch selectivity with the first epitaxial pattern.

    INTEGRATED CIRCUIT DEVICE
    4.
    发明申请

    公开(公告)号:US20250169152A1

    公开(公告)日:2025-05-22

    申请号:US18796604

    申请日:2024-08-07

    Abstract: An integrated circuit device includes a substrate provided with a fin-type active region which is disposed at a first surface of the substrate, a plurality of nanosheets disposed on a top surface of the fin-type active region and separated from the top surface of the fin-type active region, a gate line disposed on the fin-type active region, the gate line surrounding each of the plurality of nanosheets, a source/drain region disposed on the fin-type active region, a sidewall of the source/drain region being adjacent to the gate line and in contact with the plurality of nanosheets, a backside contact extending from a second surface of the substrate toward a lower portion of the source/drain region, and a high-concentration doped layer disposed in the lower portion of the source/drain region. The high-concentration doped layer has a dopant concentration greater than a dopant concentration of the source/drain region.

    SEMICONDUCTOR DEVICES
    8.
    发明公开

    公开(公告)号:US20230387234A1

    公开(公告)日:2023-11-30

    申请号:US18189538

    申请日:2023-03-24

    Abstract: A semiconductor device includes a substrate including an active region extending in a first direction, a gate structure intersecting the active region on the substrate and extending in a second direction, a plurality of channel layers spaced apart from each other in a third direction, perpendicular to an upper surface of the substrate, on the active region and surrounded by the gate structure, and source/drain regions in recess regions of the active region, on opposite sides adjacent to the gate structure and electrically connected to the plurality of channel layers. Each of the plurality of channel layers includes first to third semiconductor layers sequentially stacked in the third direction, the first and third semiconductor layers include silicon (Si), and the second semiconductor layer includes silicon-germanium (SiGe). Side surfaces of the first to third semiconductor layers in the second direction are in contact with the gate structure.

    Method of manufacturing an integrated circuit device

    公开(公告)号:US11728347B2

    公开(公告)日:2023-08-15

    申请号:US17494275

    申请日:2021-10-05

    Abstract: An integrated circuit device includes an embedded insulation layer, a semiconductor layer on the embedded insulation layer, the semiconductor layer having a main surface, and a plurality of fin-type active areas protruding from the main surface to extend in a first horizontal direction and in parallel with one another, a separation insulation layer separating the semiconductor layer into at least two element regions adjacent to each other in a second horizontal direction intersecting the first horizontal direction, source/drain regions on the plurality of fin-type active areas, a first conductive plug on and electrically connected to the source/drain regions, a buried rail electrically connected to the first conductive plug while penetrating through the separation insulation layer and the semiconductor layer, and a power delivery structure arranged in the embedded insulation layer, the power delivery structure being in contact with and electrically connected to the buried rail.

    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.

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