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    • 24. 发明授权
    • Nonvolatile memory devices and methods of fabricating the same
    • 非易失性存储器件及其制造方法
    • US08017477B2
    • 2011-09-13
    • US11704205
    • 2007-02-09
    • Won-joo KimSuk-pil KimYoon-dong Park
    • Won-joo KimSuk-pil KimYoon-dong Park
    • H01L21/336
    • H01L27/115H01L27/11521H01L27/11568H01L29/42332H01L29/42336H01L29/42352H01L29/66621H01L29/7881H01L29/792
    • A nonvolatile memory device includes a plurality of first control gate electrodes, second control gate electrodes, first storage node films, and second storage node films. The first control gate electrodes are recessed into a semiconductor substrate. Each second control gate electrode is disposed between two adjacent first control gate electrodes. The second control gate electrodes are disposed on the semiconductor substrate over the first control gate electrodes. The first storage node films are disposed between the semiconductor substrate and the first control gate electrodes. The second storage node films are disposed between the semiconductor substrate and the second control gate electrodes. A method of fabricating the nonvolatile memory device includes forming the first storage node films, forming the first control gate electrodes, forming the second storage node films, and forming the second control gate electrodes.
    • 非易失性存储器件包括多个第一控制栅电极,第二控制栅电极,第一存储节点膜和第二存储节点膜。 第一控制栅电极凹入半导体衬底。 每个第二控制栅电极设置在两个相邻的第一控制栅电极之间。 第二控制栅电极设置在第一控制栅电极上的半导体衬底上。 第一存储节点膜设置在半导体衬底和第一控制栅电极之间。 第二存储节点膜设置在半导体衬底和第二控制栅电极之间。 一种制造非易失性存储器件的方法包括形成第一存储节点膜,形成第一控制栅电极,形成第二存储节点膜,以及形成第二控制栅电极。