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    • 29. 发明授权
    • Semiconductor memory device and method for manufacturing the same
    • 半导体存储器件及其制造方法
    • US06903404B2
    • 2005-06-07
    • US10426153
    • 2003-04-29
    • Ji-Young Kim
    • Ji-Young Kim
    • H01L23/52H01L21/3205H01L21/331H01L21/8242H01L27/02H01L27/10H01L27/108H01L29/73
    • H01L27/10894H01L27/0207H01L27/10808H01L27/10885H01L27/10888
    • A semiconductor memory device includes a plurality of bit line structures arranged in parallel on a semiconductor substrate and having a plurality of bit lines and an insulating material surrounding the bit lines, an isolation layer formed in a portion in spaces between the bit line structures to define a predetermined active region and having substantially the same height as the bit line structures, a semiconductor layer formed in the predetermined active region surrounded by the bit line structures and the isolation layer and having substantially the same height as the bit line structures and the isolation layer, a plurality of word line structures arranged in parallel on the bit line structures, the isolation layer, and the semiconductor layer, and comprising a plurality of word lines and an insulating material surrounding the word lines, and source and drain regions formed in the semiconductor layer on either side of the word line structures.
    • 半导体存储器件包括多个位线结构并行布置在半导体衬底上并且具有多个位线和围绕位线的绝缘材料,隔离层形成在位线结构之间的空间部分中以限定 预定的有源区并且具有与位线结构基本相同的高度;形成在由位线结构和隔离层围绕的预定有源区中并且具有与位线结构和隔离层基本相同的高度的半导体层 ,在位线结构,隔离层和半导体层上平行布置的多个字线结构,并且包括多个字线和围绕字线的绝缘材料,以及形成在半导体中的源极和漏极区域 在字线结构的任一侧的层。