Semiconductor memory device
    3.
    发明授权

    公开(公告)号:US11502132B2

    公开(公告)日:2022-11-15

    申请号:US17158287

    申请日:2021-01-26

    Abstract: A semiconductor memory device including a substrate; a first conductive line on the substrate and extending in a first direction that is parallel to an upper surface of the substrate; a second conductive line extending in a second direction that intersects the first direction; a memory cell between the conductive lines and including a lower electrode pattern, a data storage element, an intermediate electrode pattern, a switching element, and an upper electrode pattern sequentially stacked on the first conductive line; and a sidewall spacer on a side surface of the memory cell, wherein the side surface of the memory cell includes a first concave portion at a side surface of the switching element, and the sidewall spacer includes a first portion on a side surface of the upper electrode pattern, and a second portion on the first concave portion, the second portion being thicker than the first portion.

    INTEGRATED CIRCUIT SEMICONDUCTOR DEVICE
    4.
    发明公开

    公开(公告)号:US20240096956A1

    公开(公告)日:2024-03-21

    申请号:US18370663

    申请日:2023-09-20

    Abstract: An integrated circuit semiconductor device includes a nanosheet extending above a substrate in a first horizontal direction, a gate electrode extending in a second horizontal direction while surrounding the nanosheet with a gate insulating layer therebetween, a first source/drain region on a side of the nanosheet, and a second source/drain region on another side of the nanosheet, wherein the first source/drain region includes first silicide layers provided inward from surfaces of the nanosheet, first metal layers surrounding the nanosheet from upper and lower sides of the first silicide layers, and a first nanosheet region provided between the first silicide layers, wherein the second source/drain region includes second silicide layers formed inward from the surfaces of the nanosheet, second metal layers surrounding the nanosheet from upper and lower sides of the second silicide layers, and a second nanosheet region provided between the second silicide layers.

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