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    • 29. 发明授权
    • Non-planar microelectronic device having isolation element to mitigate fringe effects and method to fabricate same
    • 具有隔离元件以减轻边缘效应的非平面微电子器件及其制造方法
    • US07402856B2
    • 2008-07-22
    • US11299102
    • 2005-12-09
    • Justin K. BraskJack T. KavalierosBrian S. DoyleRobert S. Chau
    • Justin K. BraskJack T. KavalierosBrian S. DoyleRobert S. Chau
    • H01L29/94
    • H01L29/7851H01L29/66795
    • A non-planar microelectronic device, a method of fabricating the device, and a system including the device. The non-planar microelectronic device comprises: a substrate body including a substrate base and a fin, the fin defining a device portion at a top region thereof; a gate dielectric layer extending at a predetermined height on two laterally opposing sidewalls of the fin, the predetermined height corresponding to a height of the device portion; a device isolation layer on the substrate body and having a thickness up to a lower limit of the device portion; a gate electrode on the device isolation layer and further extending on the gate dielectric layer; an isolation element extending on the two laterally opposing sidewalls of the fin up to a lower limit of the gate dielectric layer, the isolation element being adapted to reduce any fringe capacitance between the gate electrode and regions of the fin extending below the device portion.
    • 非平面微电子器件,制造器件的方法以及包括该器件的系统。 所述非平面微电子器件包括:衬底主体,其包括衬底基座和鳍片,所述鳍片限定其顶部区域处的器件部分; 栅极电介质层,其在所述鳍片的两个横向相对的侧壁上以预定高度延伸,所述预定高度对应于所述器件部分的高度; 在所述衬底主体上的器件隔离层,并且具有至所述器件部分的下限的厚度; 器件隔离层上的栅电极,并进一步在栅介质层上延伸; 隔离元件,其在所述鳍片的两个横向相对的侧壁上延伸到所述栅极电介质层的下限,所述隔离元件适于减小所述栅电极与所述鳍片延伸到所述器件部分下方的区域之间的任何条纹电容。