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    • 92. 发明授权
    • Deep trench capacitor for SOI CMOS devices for soft error immunity
    • 用于SOI CMOS器件的深沟槽电容器,用于软误差抗扰度
    • US08133772B2
    • 2012-03-13
    • US13075271
    • 2011-03-30
    • John E. Barth, Jr.Kerry BernsteinEthan H. CannonFrancis R. White
    • John E. Barth, Jr.Kerry BernsteinEthan H. CannonFrancis R. White
    • H01L21/8242
    • H01L27/1203H01L21/84H01L27/0629H01L27/10861H01L29/66181
    • A semiconductor structure is disclosed. The semiconductor structure includes an active semiconductor layer, a semiconductor device having a gate disposed on top of the active semiconductor layer, and source and drain regions and a body/channel region disposed within the active semiconductor layer, an insulator layer having a first and second side, the first side being adjacent to the active semiconductor layer, a substrate disposed adjacent to the second side of the insulator layer, a deep trench capacitor disposed under the body/channel region of the semiconductor device. The deep trench capacitor electrically connects with and contacts the body/channel region of the semiconductor device, and is located adjacent to the gate of the semiconductor device. The semiconductor structure increases a critical charge Qcrit, thereby reducing a soft error rate (SER) of the semiconductor device.
    • 公开了半导体结构。 半导体结构包括有源半导体层,具有设置在有源半导体层顶部的栅极的半导体器件以及设置在有源半导体层内的源极和漏极区域以及主体/沟道区域,具有第一和第二 所述第一侧与所述有源半导体层相邻,与所述绝缘体层的所述第二侧相邻配置的衬底,设置在所述半导体器件的所述主体/沟道区域下方的深沟槽电容器。 深沟槽电容器与半导体器件的主体/沟道区电连接并接触半导体器件的主体/沟道区,并且位于半导体器件的栅极附近。 半导体结构增加了临界电荷Qcrit,从而降低了半导体器件的软错误率(SER)。
    • 94. 发明授权
    • Method for manufacturing twin bit structure cell with Al2O3/nano-crystalline Si layer
    • 用Al2O3 /纳米晶硅层制造双位结构电池的方法
    • US08114732B2
    • 2012-02-14
    • US12704502
    • 2010-02-11
    • Mieno Fumitake
    • Mieno Fumitake
    • H01L21/336H01L21/461H01L21/8242
    • H01L21/28273B82Y10/00H01L29/42332H01L29/7887
    • A method and system for forming a non-volatile memory structure. The method includes providing a semiconductor substrate and forming a gate dielectric layer overlying a surface region of the semiconductor substrate. A polysilicon gate structure is formed overlying the gate dielectric layer. The method subjects the polysilicon gate structure to an oxidizing environment to cause formation of a first silicon oxide layer overlying the polysilicon gate structure and formation of an undercut region underneath the polysilicon gate structure. An aluminum oxide material is formed overlying the polysilicon gate structure filling the undercut region. In a specific embodiment, the aluminum oxide material has a nanocrystalline silicon material sandwiched between a first aluminum oxide layer and a second aluminum oxide layer. The aluminum oxide material is subjected to a selective etching process while maintaining the aluminum oxide material in an insert region in a portion of the undercut region. The method forms a sidewall structure overlying a side region of the polysilicon gate structure.
    • 一种用于形成非易失性存储器结构的方法和系统。 该方法包括提供半导体衬底并形成覆盖在半导体衬底的表面区域上的栅极电介质层。 形成覆盖栅极电介质层的多晶硅栅极结构。 该方法使多晶硅栅极结构进入氧化环境,以形成覆盖多晶硅栅极结构的第一氧化硅层和在多晶硅栅极结构下方形成底切区域。 在填充底切区域的多晶硅栅极结构之上形成氧化铝材料。 在具体实施方案中,氧化铝材料具有夹在第一氧化铝层和第二氧化铝层之间的纳米晶硅材料。 对氧化铝材料进行选择性蚀刻处理,同时将氧化铝材料保持在切削区域的一部分中的插入区域中。 该方法形成覆盖多晶硅栅极结构的侧面区域的侧壁结构。
    • 95. 发明授权
    • Stack capacitor of memory device and fabrication method thereof
    • 存储器件的堆叠电容器及其制造方法
    • US08084323B2
    • 2011-12-27
    • US12640846
    • 2009-12-17
    • Shin-Yu Nieh
    • Shin-Yu Nieh
    • H01L21/8242
    • H01L28/90H01L27/1085
    • The invention provides a method for forming a stack capacitor of a memory device, including providing a substrate, forming a patterned sacrificial layer with a plurality of first openings over the substrate, conformally forming a first conductive layer on the patterned sacrificial layer and in the first openings, forming a second conductive layer on the first conductive layer to seal the first openings with a void formed therein, removing a portion of the first and second conductive layers to expose the patterned sacrificial layer, and removing at least a portion of the patterned sacrificial layer to form bottom cell plates.
    • 本发明提供了一种用于形成存储器件的堆叠电容器的方法,包括提供衬底,在衬底上形成具有多个第一开口的图案化牺牲层,在图案化的牺牲层上和第一层中共形形成第一导电层 开口,在第一导电层上形成第二导电层,以密封其中形成的空隙的第一开口,去除第一和第二导电层的一部分以暴露图案化的牺牲层,以及去除图案化牺牲层的至少一部分 层形成底细胞板。
    • 97. 发明授权
    • Fabrication method of power semiconductor structure with low gate charge
    • 具有低栅极电荷的功率半导体结构的制造方法
    • US08080457B1
    • 2011-12-20
    • US12917498
    • 2010-11-02
    • Hsiu-Wen Hsu
    • Hsiu-Wen Hsu
    • H01L21/336H01L21/8234H01L21/8242H01L21/20
    • H01L29/7813H01L29/407H01L29/42368H01L29/513H01L29/66719H01L29/66734
    • A fabrication method of a trenched power semiconductor structure with low gate charge is provided. Firstly, a substrate is provided. Then, a gate trench is formed in the substrate. Afterward, a dielectric layer is formed on the inner surfaces of the gate trench. Then, a spacer is formed on the dielectric layer covering the sidewall of the gate trench. Thereafter, a plug structure is formed in the space at the bottom of the gate trench, which is defined by the spacer. Then, a portion of the spacer is removed with the dielectric structure and the plug structure as an etching mask. Thereafter, a portion of the dielectric layer is removed with the remained spacer as an etching mask to expose the inner surface of the upper portion of the gate trench. Afterward, with the remained spacer being kept, a gate dielectric layer is formed on the inner surface of the upper portion of the gate trench, and then a polysilicon gate is filled into the upper portion of the gate trench.
    • 提供了具有低栅极电荷的沟槽功率半导体结构的制造方法。 首先,提供基板。 然后,在衬底中形成栅极沟槽。 之后,在栅极沟槽的内表面上形成介电层。 然后,在覆盖栅极沟槽的侧壁的电介质层上形成间隔物。 此后,在由间隔物限定的栅极沟槽的底部的空间中形成插塞结构。 然后,用电介质结构和插塞结构作为蚀刻掩模去除间隔物的一部分。 此后,用剩余的间隔物去除介电层的一部分作为蚀刻掩模,以露出栅极沟槽的上部的内表面。 之后,保持留着的间隔物,在栅极沟槽的上部的内表面上形成栅极电介质层,然后将多晶硅栅极填充到栅极沟槽的上部。