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    • 5. 发明授权
    • Vertical-type semiconductor device
    • 垂直型半导体器件
    • US08344385B2
    • 2013-01-01
    • US12872270
    • 2010-08-31
    • Young-Hoo KimHyo-San LeeSang-Won BaeBo-Un YoonKun-Tack Lee
    • Young-Hoo KimHyo-San LeeSang-Won BaeBo-Un YoonKun-Tack Lee
    • H01L29/06H01L29/792
    • H01L27/11578H01L27/11556H01L27/11582
    • In a vertical-type non-volatile memory device, an insulation layer pattern is provided on a substrate, the insulation layer pattern having a linear shape. Single-crystalline semiconductor patterns are provided on the substrate to make contact with both sidewalls of the insulation layer pattern, the single-crystalline semiconductor patterns having a pillar shape that extends in a vertical direction relative to the substrate. A tunnel oxide layer is provided on the single-crystalline semiconductor pattern. A lower electrode layer pattern is provided on the tunnel oxide layer and on the substrate. A plurality of insulation interlayer patterns is provided on the lower electrode layer pattern, the insulation interlayer patterns being spaced apart from one another by a predetermined distance along the single-crystalline semiconductor pattern. A charge-trapping layer and a blocking dielectric layer are sequentially formed on the tunnel oxide layer between the insulation interlayer patterns. A plurality of control gate patterns is provided on the blocking dielectric layer between the insulation interlayer patterns. An upper electrode layer pattern is provided on the tunnel oxide layer and on the uppermost insulation interlayer pattern.
    • 在垂直型非易失性存储器件中,在衬底上设置绝缘层图案,绝缘层图案具有直线形状。 单晶半导体图案设置在基板上以与绝缘层图案的两个侧壁接触,单晶半导体图案具有相对于基板在垂直方向上延伸的柱状。 隧道氧化物层设置在单晶半导体图案上。 在隧道氧化物层和衬底上提供下电极层图案。 在下电极层图案上设置多个绝缘层间图案,绝缘层间图案沿着单晶半导体图案彼此隔开预定距离。 在绝缘层间图案之间的隧道氧化物层上依次形成电荷捕获层和阻挡介质层。 在绝缘夹层图案之间的阻挡介质层上设置多个控制栅极图案。 在隧道氧化物层和最上层的绝缘层间图案上设置上电极层图案。