SEMICONDUCTOR DEVICE INCLUDING AN ALIGNMENT PATTERN

    公开(公告)号:US20240006333A1

    公开(公告)日:2024-01-04

    申请号:US17986976

    申请日:2022-11-15

    申请人: SK hynix Inc.

    IPC分类号: H01L23/544

    CPC分类号: H01L23/544 H01L2223/54426

    摘要: A semiconductor includes an underlayer; a lower core layer spaced apart from the underlayer, the lower core layer including a plurality of lower segments spaced apart from each other in a horizontal direction; an upper core layer spaced apart from the lower core layer, the upper core layer including a plurality of upper segments spaced apart from each other in the horizontal direction; a post pattern vertically penetrating the upper core layer and the lower core layer; a passivation layer surrounding the lower core layer, the upper core layer, and the post pattern; coating layer surrounding the passivation layer; and a support pattern extending in the vertical direction and passing through the lower core layer, the upper core layer, the passivation layer, and the coating layer.

    METHOD FOR FABRICATING SEMICONDUCTOR DEVICE

    公开(公告)号:US20230005788A1

    公开(公告)日:2023-01-05

    申请号:US17544516

    申请日:2021-12-07

    申请人: SK hynix Inc.

    IPC分类号: H01L21/768 H01L23/522

    摘要: A method for fabricating a semiconductor device includes: forming a dielectric layer over a substrate; forming a hole-shaped partial via in the dielectric layer; forming a line-shaped trench that partially overlaps with the partial via and has a greater line width than a line width of the partial via in the dielectric layer; forming a hole-shaped via that has a smaller line width than the line width of the partial via and penetrates the dielectric layer on a lower surface of the partial via; and gap-filling the via, the partial via and the trench with a conductive material, wherein a lower surface of the trench is positioned at a higher level than the lower surface of the partial via.