SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20240114679A1

    公开(公告)日:2024-04-04

    申请号:US18538358

    申请日:2023-12-13

    CPC classification number: H10B12/485 H10B12/37

    Abstract: A semiconductor memory device includes a substrate including an element separation film and an active region defined by the element separation film, a bit line structure on the substrate, a trench in the element separation film and the active region, the trench on at least one side of the bit line structure and including a first portion in the element separation film and a second portion in the active region, a bottom face of the first portion placed above a bottom face of the second portion, a single crystal storage contact filling the trench, and an information storage element electrically connected to the single crystal storage contact.

    SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20220037335A1

    公开(公告)日:2022-02-03

    申请号:US17355451

    申请日:2021-06-23

    Abstract: A semiconductor memory device includes a substrate including an element separation film and an active region defined by the element separation film, a bit line structure on the substrate, a trench in the element separation film and the active region, the trench on at least one side of the bit line structure and including a first portion in the element separation film and a second portion in the active region, a bottom face of the first portion placed above a bottom face of the second portion, a single crystal storage contact filling the trench, and an information storage element electrically connected to the single crystal storage contact.

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