Photo alignment mark for a gate last process
    20.
    发明授权
    Photo alignment mark for a gate last process 有权
    最后一个进程的照片对齐标记

    公开(公告)号:US08598630B2

    公开(公告)日:2013-12-03

    申请号:US12470333

    申请日:2009-05-21

    IPC分类号: H01L23/52

    摘要: A semiconductor device is provided which includes a semiconductor substrate having a first region and a second region, the first and second regions being isolated from each other, a plurality of transistors formed in the first region, an alignment mark formed in the second region, the alignment mark having a plurality of active regions in a first direction, and a dummy gate structure formed over the alignment mark, the dummy gate structure having a plurality of lines in a second direction different from the first direction.

    摘要翻译: 提供一种半导体器件,其包括具有第一区域和第二区域的半导体衬底,第一和第二区域彼此隔离,形成在第一区域中的多个晶体管,形成在第二区域中的对准标记, 对准标记具有在第一方向上的多个有效区域,以及形成在所述对准标记上的伪栅极结构,所述伪栅极结构在与所述第一方向不同的第二方向上具有多条线。