System and Method for Aligned Stitching
    3.
    发明公开

    公开(公告)号:US20230268285A1

    公开(公告)日:2023-08-24

    申请号:US18310743

    申请日:2023-05-02

    Abstract: A method for manufacturing semiconductor devices include steps of depositing a first photoresist over a first dielectric layer, first exposing the first photoresist to a first light-exposure using a first lithographic mask, and second exposing the first photoresist to a second light-exposure using a second lithographic mask. An overlap region of the first photoresist is exposed to both the first light-exposure and the second light-exposure. The first dielectric layer is thereafter patterned to form a mask overlay alignment mark in the overlap region. The patterning includes etching the first dielectric layer form a trench, and filling the trench with a conductive material to produce the alignment mark. A second dielectric layer is deposited over the alignment mark, and a second photoresist is deposited over the second dielectric layer. A third lithographic mask is aligned to the second photoresist using the underlying mask overlay alignment mark for registration.

    Display driver integrated circuit and method of manufacturing the same

    公开(公告)号:US09960193B2

    公开(公告)日:2018-05-01

    申请号:US15136075

    申请日:2016-04-22

    CPC classification number: H01L27/124 G03F1/00

    Abstract: A display driver integrated circuit and a method of manufacturing the same are provided. The method of manufacturing a display driver integrated circuit (DDI) including a first area, a second area, and an overlapping area in which the first area and the second area overlap each other includes forming a first pattern in the first area using a first reticle; and forming a second pattern in the second area using a second reticle, and ends of the first pattern and the second pattern are connected within the overlapping area and the first area and the second area are asymmetrically set based on the overlapping area such that the overlapping area includes only a metal line.

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