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    • 4. 发明公开
    • 반도체 소자 및 그 제조방법
    • 半导体器件及其制造方法
    • KR1020080051754A
    • 2008-06-11
    • KR1020060123369
    • 2006-12-06
    • 삼성전자주식회사
    • 최영문김지영여인석이선우
    • H01L27/108H01L27/04B82Y10/00
    • H01L28/91B82Y10/00H01L27/10817H01L27/10852H01L29/0665H01L29/0673H01L29/0676H01L29/41725Y10S977/742Y10S977/762Y10S977/766
    • A semiconductor device and a fabricating method thereof are provided to maximize an off current of a capacitor by increasing the surface area of the lower electrode of the capacitor. A lower electrode having plural tubes or wires(143) is formed on a semiconductor substrate, and a dielectric layer(147) is formed on the surface of the lower electrode. An upper electrode(149) is formed on the surface of the dielectric layer. Tubes or wires are arranged in a radial direction in such a way that each horizontal interval is increased in an upward direction. The lower electrode has a transistor including a source region(103) and a drain region(105) which are separated from each other, and a gate crossing over a channel region between the source and the drain region. The lower electrode is connected to the source region via contact plugs(118,121).
    • 提供半导体器件及其制造方法,以通过增加电容器的下电极的表面积来最大化电容器的截止电流。 在半导体基板上形成具有多个管或导线(143)的下电极,在下电极的表面上形成介电层(147)。 在电介质层的表面上形成上电极(149)。 管或电线以径向方式布置,使得每个水平间隔在向上方向上增加。 下部电极具有晶体管,其包括彼此分离的源极区(103)和漏极区(105),栅极与源极和漏极区域之间的沟道区域交叉。 下电极经由接触插塞(118,121)连接到源极区域。