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    • 24. 发明申请
    • SEMICONDUCTOR STORAGE DEVICE AND ITS MANUFACTURING METHOD
    • 半导体存储器件及其制造方法
    • WO02056383A1
    • 2002-07-18
    • PCT/JP2001/011672
    • 2001-12-28
    • H01L27/10H01L21/02H01L21/8242H01L21/8246H01L27/105H01L27/108
    • H01L27/10894H01L27/10885H01L28/55H01L28/60Y10S257/905Y10S257/908
    • A memory cell of a DRAM that is a semiconductor storage device has a bit line (21a) connected to a bit line plug (20b) and a local wiring (21b) on a first interlayer insulation film (18). The side face of a hard mask (37), an upper barrier metal (36), a Pt film, and a BST film (34) is overlaid with a conductor side wall (40) made of TiAlN. No contact is provided on the Pt film (35) which constitutes an upper electrode (35a), but the upper electrode (35a) is connected to an upper layer wiring (Cu wiring 42) by a conductor side wall (40), dummy lower electrode (33b), a dummy cell plug (30), and a local wiring (21b). Since the Pt film (35) is not exposed to a reductive atmosphere, a capacitor insulation film (34a) is prevented from deteriorating in characteristics.
    • 作为半导体存储装置的DRAM的存储单元具有连接到第一层间绝缘膜(18)上的位线插头(20b)和局部布线(21b)的位线(21a)。 硬掩模(37),上阻挡金属(36),Pt膜和BST膜(34)的侧面与由TiAlN制成的导体侧壁(40)重叠。 在构成上电极(35a)的Pt膜(35)上没有提供接触,但是上电极(35a)通过导体侧壁(40)连接到上层布线(Cu布线42),虚拟下部 电极(33b),虚拟电池插头(30)和局部布线(21b)。 由于Pt膜(35)没有暴露于还原气氛中,所以防止电容器绝缘膜(34a)的特性劣化。
    • 27. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • WO01041211A1
    • 2001-06-07
    • PCT/JP2000/008424
    • 2000-11-29
    • G11C11/4097H01L21/8242H01L27/108G11C11/401
    • H01L27/10894G11C11/4097H01L27/10897
    • As a technique for leading out data lines from a sub-memory array (SMA) to sense amplifiers (SA) when the sense amplifiers are arranged alternately, adjacent two data lines in the sub-memory array or two data lines sandwiching adjacent two data lines are connected to adjacent two sense amplifiers. More specifically, an even number (0, 2, 4, ...) of data lines are sandwiched between the data lines connected to two adjacent sense amplifiers. Thus disconnection and short circuit at the connection of a sense amplifier block and the sub-memory array are avoided, and the layout is facilitated.
    • 作为用于当读出放大器交替布置时从子存储器阵列(SMA)引导数据线到读出放大器(SA)的技术,相邻的子存储器阵列中的两条数据线或两条数据线夹在相邻的两条数据线 连接到相邻的两个读出放大器。 更具体地说,连接到两个相邻读出放大器的数据线之间夹有偶数(0,2,4,...)数据线。 因此,避免了在读出放大器块和子存储器阵列的连接处的断开和短路,并且便于布局。