CUT-MASK PATTERNING TO REMOVE CORNER- ROUNDING OF ACTIVE REGIONS OF SEMICONDUCTOR DEVICE

    公开(公告)号:US20250159986A1

    公开(公告)日:2025-05-15

    申请号:US18639141

    申请日:2024-04-18

    Abstract: Provided is a semiconductor device which includes: a 1st active region extended in a 1st direction and including: a 1st out-corner edge at which a width of the 1st active region in a 2nd direction gradually changes along the 1st direction; and a 1st in-corner edge at which the width of the 1st active region less gradually changes along the 1st direction than at the 1st out-corner edge; and a gate structure extended in the 2nd direction and overlapping the 1st out-corner edge in a 3rd direction, wherein the 1st direction horizontally intersects the 2nd direction, and the 3rd direction vertically intersects the 1st direction and the 2nd direction.

    MULTI-STACK NANOSHEET STRUCTURE INCLUDING SEMICONDUCTOR DEVICE

    公开(公告)号:US20240023326A1

    公开(公告)日:2024-01-18

    申请号:US17977575

    申请日:2022-10-31

    CPC classification number: H01L27/11206

    Abstract: Provided is a multi-stack nanosheet structure that includes: at least a first nanosheet structure and at least a second nanosheet structure, above the substrate, separated from each other, wherein the first nanosheet structure and second nanosheet structure are adjacent to each other; a channel structure comprising a first portion on the first nanosheet structure, a second portion on the second nanosheet structure, and a third portion on the substrate between the first and second portions, wherein the first portion, the second portion and the third portion form a single continuous structure; a gate structure between the first and second portions on the third portion of the channel structure, wherein the gate structure comprises a gate dielectric layer comprising oxide; and at least a first source/drain region on the first nanosheet structure, and at least a second source/drain region on the second nanosheet structure, wherein the first source/drain region and the second source/drain region include an n-type or p-type dopant.

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