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    • 12. 发明公开
    • 집적회로들의 직류(DC) 및 무선 주파수(RF) 차폐 방법 및 구조
    • 集成电路直流和射频屏蔽的方法与结构
    • KR1020030011583A
    • 2003-02-11
    • KR1020020042921
    • 2002-07-22
    • 에이저 시스템즈 가디언 코포레이션
    • 이바노브토니지.캐롤마이클에스.싱랜비르
    • H01L27/04
    • H01L21/76251H01L23/5283H01L23/552H01L23/66H01L2223/6622H01L2924/0002H01L2924/00
    • PURPOSE: A method and structure for DC and RF shielding of integrated circuits are provided to isolate various analog and digital circuits which combine to form an integrated circuit, from each other. CONSTITUTION: A receded or polished upper surface(46) icludes upper surface(48) of vertical conductive material(56) and upper surface(52) of isolated silicon islands(50). Isolated silicon islands are therefore surrounded subjacently by subjacent portion(54) of conductive film(32) and are surrounded laterally and peripherally by vertical portions of conductive film. Although only two opposed lateral sides of the centrally disposed silicon island are shown in the two-dimension, all of the lateral edges of silicon island are bounded by vertical sections of conductive film. Substructure(90) now includes a top portion consisting of conductive film and silicon impurity region(14) including isolated silicon islands, and a bottom portion formed of dielectric film(40).
    • 目的:提供集成电路的直流和射频屏蔽的方法和结构,以隔离彼此组合形成集成电路的各种模拟和数字电路。 构成:后退或抛光的上表面(46)包含垂直导电材料(56)的上表面(48)和隔离的硅岛(50)的上表面(52)。 隔离的硅岛因此被导电膜(32)的下部(54)所包围,并被导电膜的垂直部分横向和外围包围。 尽管中心设置的硅岛的两个相对的侧面仅示出为二维,但是硅岛的所有横向边缘均由导电膜的垂直部分限定。 子结构(90)现在包括由导电膜和包括隔离的硅岛的硅杂质区(14)组成的顶部和由电介质膜(40)形成的底部。