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    • 7. 发明授权
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • US08193058B2
    • 2012-06-05
    • US12638754
    • 2009-12-15
    • Yugo IdeMinori Kajimoto
    • Yugo IdeMinori Kajimoto
    • H01L21/336
    • H01L27/11524H01L27/115H01L27/11521
    • A semiconductor device including a semiconductor substrate; a plurality of memory cell transistors aligned in a predetermined direction on the semiconductor substrate, each memory cell transistor provided with a first gate electrode including a floating gate electrode comprising a polycrystalline silicon layer of a first thickness, a control gate electrode provided above the floating gate electrode, and an inter-gate insulating film between the floating and the control gate electrode; a pair of select gate transistors on the semiconductor substrate with a pair of second gate electrodes neighboring in alignment with the first gate electrode, each second gate electrode including a lower-layer gate electrode comprising the polycrystalline silicon layer of the first thickness, an upper-layer gate electrode provided above the lower-layer gate electrode; a polyplug of the first thickness situated between the second gate electrodes of the pair of select gate transistors; and a metal plug provided on the polyplug.
    • 一种半导体器件,包括半导体衬底; 在半导体衬底上沿预定方向排列的多个存储单元晶体管,每个存储单元晶体管设置有第一栅电极,该第一栅电极包括包括第一厚度的多晶硅层的浮置栅电极,设置在浮置栅极上方的控制栅电极 电极和浮栅与控制栅电极之间的栅间绝缘膜; 一对选择栅极晶体管,其具有与第一栅电极相对的一对第二栅电极,每个第二栅电极包括包含第一厚度的多晶硅层的下层栅电极, 设置在下层栅极电极上方的层间栅电极; 位于所述一对选择栅晶体管的第二栅电极之间的第一厚度的聚拢块; 以及设置在息肉上的金属塞。
    • 9. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAME
    • 半导体存储器件及其制造方法
    • US20090140316A1
    • 2009-06-04
    • US12277448
    • 2008-11-25
    • Takashi SugiharaMinori Kajimoto
    • Takashi SugiharaMinori Kajimoto
    • H01L21/28H01L29/788
    • H01L27/115G11C16/0483G11C16/10H01L27/11521H01L27/11524
    • A semiconductor memory device includes an insulating film formed on a semiconductor substrate, a plurality of active areas formed on the insulating film from a semiconductor layer which is formed integrally with the substrate through openings of the insulating film, the active areas being formed by being divided into a striped shape by a plurality of trenches reaching an upper surface of the insulating film, the active areas having upper surfaces and sides respectively, a first gate insulating film formed so as to cover the upper surfaces and sides of the active areas, a charge trap layer having a face located on the first gate insulating film and confronting the upper surfaces and the sides of the active areas with the first gate insulating film being interposed therebetween, a second gate insulating film formed on the charge trap layer, and a gate electrode formed on the second gate insulating film.
    • 一种半导体存储器件,包括形成在半导体衬底上的绝缘膜,形成在绝缘膜上的多个有源区,该绝缘膜与半导体层形成,该半导体层通过绝缘膜的开口与衬底一体形成,有源区通过分割形成 通过多个沟槽到达绝缘膜的上表面的条纹形状,所述有源区域分别具有上表面和侧面,形成为覆盖有源区域的上表面和侧面的第一栅极绝缘膜,电荷 捕获层,其具有位于所述第一栅极绝缘膜上的面并且与所述有源区的上表面和所述侧面间隔开所述第一栅极绝缘膜,形成在所述电荷陷阱层上的第二栅极绝缘膜,以及栅电极 形成在第二栅绝缘膜上。