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    • 2. 发明授权
    • Method for fabricating semiconductor device
    • 制造半导体器件的方法
    • US07358144B2
    • 2008-04-15
    • US11279164
    • 2006-04-10
    • Song Hyeuk Im
    • Song Hyeuk Im
    • H01L21/336
    • H01L27/10885H01L27/10876H01L27/1203
    • A method for fabricating a semiconductor device includes forming first, second, and third device structures in a semiconductor substrate. Each device structure includes a first film, a second film over the first film, and a third film over the second film. The first and third device structures are device isolation structures. A portion of the second device structure is etched to define a bit line contact region, the bit line contact region extending from an upper surface of the second device structure to a lower surface of the second device structure. The second film of the second device structure is etched to define an under-cut space between the first and second films. A semiconductor layer is formed within the under-cut space and the bit line contact region. The third film of the second device structure is etched or removed to define a recess, the recess defining a gate region. A gate structure is formed at least partly within the recess.
    • 一种制造半导体器件的方法包括在半导体衬底中形成第一,第二和第三器件结构。 每个器件结构包括第一膜,第一膜上的第二膜和第二膜上的第三膜。 第一和第三器件结构是器件隔离结构。 蚀刻第二器件结构的一部分以限定位线接触区域,位线接触区域从第二器件结构的上表面延伸到第二器件结构的下表面。 蚀刻第二器件结构的第二膜以限定第一和第二膜之间的下切空间。 在下切割空间和位线接触区域内形成半导体层。 蚀刻或去除第二器件结构的第三膜以限定凹部,凹部限定栅极区域。 门结构至少部分地形成在凹槽内。
    • 4. 发明授权
    • Semiconductor cell and method for forming the same
    • 半导体电池及其形成方法
    • US08674473B2
    • 2014-03-18
    • US13210909
    • 2011-08-16
    • Song Hyeuk Im
    • Song Hyeuk Im
    • H01L21/70
    • H01L27/10855H01L21/764H01L21/7682H01L21/76831H01L21/76897H01L27/10885H01L27/11507
    • A semiconductor cell includes storage node contact plugs disposed on a semiconductor substrate, a bit line formation area which is disposed between the storage node contact plugs and exposes the semiconductor substrate, and an air gap which is in contact with a lower portion of a sidewall of the bit line formation area and extends in a direction perpendicular to a direction in which the bit line formation area extends. Therefore, the coupling effect between adjacent bit lines as well as the coupling effect caused between adjacent storage node contact plugs and the coupling effect caused between the storage node contact plug and the bit line are controlled to improve characteristics of semiconductor devices.
    • 半导体电池包括设置在半导体衬底上的存储节点接触插塞,位于存储节点接触插头之间并露出半导体衬底的位线形成区域,以及与侧壁的下侧接触的气隙 位线形成区域并且在垂直于位线形成区域延伸的方向的方向上延伸。 因此,控制相邻位线之间的耦合效应以及相邻存储节点接触插塞之间引起的耦合效应和存储节点接触插头与位线之间引起的耦合效应,以改善半导体器件的特性。
    • 5. 发明申请
    • Method for Fabricating Semiconductor Device
    • 半导体器件制造方法
    • US20070173015A1
    • 2007-07-26
    • US11279164
    • 2006-04-10
    • Song Hyeuk Im
    • Song Hyeuk Im
    • H01L21/8242
    • H01L27/10885H01L27/10876H01L27/1203
    • A method for fabricating a semiconductor device includes forming first, second, and third device structures in a semiconductor substrate. Each device structure includes a first film, a second film over the first film, and a third film over the second film. The first and third device structures are device isolation structures. A portion of the second device structure is etched to define a bit line contact region, the bit line contact region extending from an upper surface of the second device structure to a lower surface of the second device structure. The second film of the second device structure is etched to define an under-cut space between the first and second films. A semiconductor layer is formed within the under-cut space and the bit line contact region. The third film of the second device structure is etched or removed to define a recess, the recess defining a gate region. A gate structure is formed at least partly within the recess.
    • 一种制造半导体器件的方法包括在半导体衬底中形成第一,第二和第三器件结构。 每个器件结构包括第一膜,第一膜上的第二膜和第二膜上的第三膜。 第一和第三器件结构是器件隔离结构。 蚀刻第二器件结构的一部分以限定位线接触区域,位线接触区域从第二器件结构的上表面延伸到第二器件结构的下表面。 蚀刻第二器件结构的第二膜以限定第一和第二膜之间的下切空间。 在下切割空间和位线接触区域内形成半导体层。 蚀刻或去除第二器件结构的第三膜以限定凹部,凹部限定栅极区域。 门结构至少部分地形成在凹槽内。