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    • 1. 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。
    • 5. 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。
    • 8. 发明授权
    • Nonvolatile semiconductor memory device with twin-well
    • 具有双阱的非易失性半导体存储器件
    • US08008703B2
    • 2011-08-30
    • US12175201
    • 2008-07-17
    • Mitsuhiro NoguchiMinori Kajimoto
    • Mitsuhiro NoguchiMinori Kajimoto
    • H01L29/788
    • H01L27/11546H01L27/105H01L27/11526
    • A nonvolatile semiconductor memory device includes a first well of a first conductivity type, which is formed in a semiconductor substrate of the first conductivity type, a plurality of memory cell transistors that are formed in the first well, a second well of a second conductivity type, which includes a first part that surrounds a side region of the first well and a second part that surrounds a lower region of the first well, and electrically isolates the first well from the semiconductor substrate, and a third well of the second conductivity type, which is formed in the semiconductor substrate. The third well has a less depth than the second part of the second well.
    • 非易失性半导体存储器件包括形成在第一导电类型的半导体衬底中的第一导电类型的第一阱,形成在第一阱中的多个存储单元晶体管,第二导电类型的第二阱 ,其包括围绕第一阱的侧部区域的第一部分和围绕第一阱的下部区域的第二部分,并且将第一阱与半导体衬底以及第二导电类型的第三阱电隔离, 其形成在半导体衬底中。 第三井具有比第二井的第二部分更少的深度。
    • 9. 发明授权
    • Method for manufacturing semiconductor device and semiconductor device
    • 半导体器件和半导体器件的制造方法
    • US07800157B2
    • 2010-09-21
    • US12174090
    • 2008-07-16
    • Akihiro RyusenjiMinori KajimotoYugo Ide
    • Akihiro RyusenjiMinori KajimotoYugo Ide
    • H01L29/94
    • H01L27/11524H01L27/115H01L27/11521
    • According to an aspect of the present invention, there is provided a method for manufacturing a semiconductor device including: sequentially forming a first insulating film, a first electrode film, a second insulating film, and a second electrode film on a substrate; forming a groove that separates the second electrode film, the second insulating film and the first electrode film; forming an insulating film inside the groove so that an upper surface thereof is positioned between upper surfaces of the second electrode film and the second insulating film; forming an overhung portion on the second electrode film so as to overhang on the insulating film by performing a selective growth process; and forming a low resistance layer at the overhung portion and the second electrode film by performing an alloying process.
    • 根据本发明的一个方面,提供了一种用于制造半导体器件的方法,包括:在衬底上依次形成第一绝缘膜,第一电极膜,第二绝缘膜和第二电极膜; 形成分隔第二电极膜,第二绝缘膜和第一电极膜的槽; 在所述槽内形成绝缘膜,使得其上表面位于所述第二电极膜的上表面和所述第二绝缘膜之间; 在所述第二电极膜上形成悬垂部分,以通过进行选择性生长工艺在绝缘膜上悬垂; 以及通过进行合金化处理在所述悬臂部分和所述第二电极膜上形成低电阻层。