GATE STRUCTURES AND SEMICONDUCTOR DEVICES INCLUDING THE GATE STRUCTURES

    公开(公告)号:US20240407152A1

    公开(公告)日:2024-12-05

    申请号:US18642174

    申请日:2024-04-22

    Abstract: A gate structure comprising: a first conductive pattern; a first seed pattern on a lower surface and a first portion of a sidewall of the first conductive pattern, wherein the first seed pattern includes a first material, and the first conductive pattern includes a second material that is different from the first material; and a gate insulation pattern that is in contact with a second portion of the sidewall of the first conductive pattern and the first seed pattern, wherein the first material has a first work function, and the second material has a second work function, and wherein the first work function is lower than the second work function.

    SEMICONDUCTOR DEVICE INCLUDING GATE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:US20220344347A1

    公开(公告)日:2022-10-27

    申请号:US17520868

    申请日:2021-11-08

    Abstract: A semiconductor device manufacturing method according to the exemplary embodiments of the disclosure includes patterning a substrate, thereby forming an active pattern, forming a trench penetrating the active pattern, forming a support layer covering the trench, forming a first opening at the support layer, forming a gate electrode layer filling the trench through the first opening, and forming a bit line structure electrically connected to the active pattern. The support layer includes a base portion covering a top surface of the active pattern, and a support disposed in the trench.

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