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    • 3. 发明授权
    • Multi-layer nonvolatile memory devices having vertical charge storage regions
    • 具有垂直电荷存储区域的多层非易失性存储器件
    • US08008722B2
    • 2011-08-30
    • US12641666
    • 2009-12-18
    • JinGyun KimSeungmok ShinChae SoodooSeung-Yup Lee
    • JinGyun KimSeungmok ShinChae SoodooSeung-Yup Lee
    • H01L27/01H01L21/4763
    • H01L27/11551H01L27/0688H01L27/11548H01L27/11556H01L27/11575H01L27/11578H01L27/11582H01L29/42332H01L29/7881H01L29/792H01L29/7926
    • Some embodiments of the present invention provide nonvolatile memory devices including a plurality of intergate insulating patterns and a plurality of cell gate patterns that are alternately and vertically stacked on a substrate, an active pattern disposed on the substrate, the active pattern extending upwardly along sidewalls of the intergate insulating patterns and the cell gate patterns, a plurality of charge storage patterns disposed between the plurality of cell gate patterns and the active pattern, respectively, the plurality of the charge storage patterns being separated from each other, tunnel insulating patterns disposed between the plurality of cell gate patterns and the active pattern, respectively, and the tunnel insulating patterns extending to be directly connected to each other and a plurality of blocking insulating patterns disposed between the plurality of cell gate patterns and the plurality of charge storage patterns, respectively. A sidewall of the cell gate pattern may be recessed laterally so that an undercut region is defined and the charge storage pattern is disposed in the undercut region.
    • 本发明的一些实施例提供了非易失性存储器件,其包括多个栅极绝缘图案和交替地和垂直地堆叠在衬底上的多个单元栅极图案,设置在衬底上的有源图案,有源图案沿着 栅间绝缘图案和单元栅极图案,分别设置在多个单元栅极图案和有源图案之间的多个电荷存储图案,多个电荷存储图案彼此分离,隧道绝缘图案布置在 多个单元栅极图案和有源图案,以及延伸成彼此直接连接的隧道绝缘图案,以及分别设置在多个单元栅极图案和多个电荷存储图案之间的多个隔离绝缘图案。 电池栅极图案的侧壁可以侧向凹入,从而限定底切区域,并且电荷存储图案设置在底切区域中。
    • 4. 发明申请
    • MULTI-LAYER NONVOLATILE MEMORY DEVICES HAVING VERTICAL CHARGE STORAGE REGIONS
    • 具有垂直充电存储区域的多层非易失性存储器件
    • US20100155810A1
    • 2010-06-24
    • US12641666
    • 2009-12-18
    • JinGyun KimSeungmok ShinChae SoodooSeung-Yup Lee
    • JinGyun KimSeungmok ShinChae SoodooSeung-Yup Lee
    • H01L29/788
    • H01L27/11551H01L27/0688H01L27/11548H01L27/11556H01L27/11575H01L27/11578H01L27/11582H01L29/42332H01L29/7881H01L29/792H01L29/7926
    • Some embodiments of the present invention provide nonvolatile memory devices including a plurality of intergate insulating patterns and a plurality of cell gate patterns that are alternately and vertically stacked on a substrate, an active pattern disposed on the substrate, the active pattern extending upwardly along sidewalls of the intergate insulating patterns and the cell gate patterns, a plurality of charge storage patterns disposed between the plurality of cell gate patterns and the active pattern, respectively, the plurality of the charge storage patterns being separated from each other, tunnel insulating patterns disposed between the plurality of cell gate patterns and the active pattern, respectively, and the tunnel insulating patterns extending to be directly connected to each other and a plurality of blocking insulating patterns disposed between the plurality of cell gate patterns and the plurality of charge storage patterns, respectively. A sidewall of the cell gate pattern may be recessed laterally so that an undercut region is defined and the charge storage pattern is disposed in the undercut region.
    • 本发明的一些实施例提供了非易失性存储器件,其包括多个栅极绝缘图案和交替地和垂直地堆叠在衬底上的多个单元栅极图案,设置在衬底上的有源图案,有源图案沿着 栅间绝缘图案和单元栅极图案,分别设置在多个单元栅极图案和有源图案之间的多个电荷存储图案,多个电荷存储图案彼此分离,隧道绝缘图案布置在 多个单元栅极图案和有源图案,以及延伸成彼此直接连接的隧道绝缘图案,以及分别设置在多个单元栅极图案和多个电荷存储图案之间的多个隔离绝缘图案。 电池栅极图案的侧壁可以侧向凹入,从而限定底切区域,并且电荷存储图案设置在底切区域中。
    • 8. 发明授权
    • Method of forming nonvolatile memory device
    • 形成非易失性存储器件的方法
    • US08222122B2
    • 2012-07-17
    • US12725885
    • 2010-03-17
    • Seungmok ShinSoodoo ChaeJinGyun Kim
    • Seungmok ShinSoodoo ChaeJinGyun Kim
    • H01L21/20
    • H01L27/11568H01L27/11578H01L27/11582
    • Provided is a method of forming a nonvolatile memory device. The method may include alternatingly stacking n number of dielectric layers and n number of conductive layers on a substrate, forming a non-photosensitive pattern on the alternatingly stacked dielectric layers and conductive layers, etching the i-th conductive layer and i-th dielectric (2≦i≦n, i is a natural number indicating a stacking order of the conductive layers and the dielectric layers) by using the non-photosensitive pattern as an etch mask, laterally etching a sidewall of the non-photosensitive pattern and etching the i-th conductive layer, (i−1)-th conductive layer, i-th dielectric layer and (i−1)-th dielectric layer by using the etched non-photosensitive pattern as an etch mask.
    • 提供一种形成非易失性存储器件的方法。 该方法可以包括在衬底上交替堆叠n个电介质层和n个导电层,在交替堆叠的电介质层和导电层上形成非感光图案,蚀刻第i导电层和第i电介质 2≦̸ i≦̸ n,i是表示导电层和电介质层的堆叠顺序的自然数),通过使用非感光图案作为蚀刻掩模,横向蚀刻非感光图案的侧壁并蚀刻i (i-1)导电层,第i电介​​质层和第(i-1)介质层,通过使用蚀刻的非感光图案作为蚀刻掩模。