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    • 12. 发明授权
    • Data transmission circuit
    • 数据传输电路
    • US5283760A
    • 1994-02-01
    • US918615
    • 1992-07-27
    • Dae-Je ChinByung-Hyuk Min
    • Dae-Je ChinByung-Hyuk Min
    • G11C11/409G11C11/4096H01L27/10G11C7/00
    • G11C11/4096
    • A data transmission circuit capable of a high-speed data input/output operation and a large-scaled integration for use in a semiconductor memory device, is disclosed. The data transmission circuit has at least one memory cell 51, a word line 52, a pair of bit lines 65, 66, a sense amplifier 55, and a pair of isolation transistors 53, 54. Further, the circuit includes a pair of common input/output lines 67, 68 for transmitting input or output data with a complementary logic operation, a discharging transistor 56 receiving a control signal at its gate and having a channel connected with a ground voltage node, for transferring an electric potential applied to one end of the channel into the ground voltage level, and a pair of transmission transistors 59, 60 receiving the control signal at their respective gates and having each channel connected with the common input/output lines. Two pairs of input transistors 61, 62 and 63, 64 are connected with the bit lines, their channels each being connected between the bit lines 65, 66 and the transmission transistors 59, 60, their gates each connected with the input/output lines. A pair of output transistors 57, 58 each have a gate electrode connected to the bit lines, and having a channel connected between the channel of the discharging transistor 56 and the channel of the transmission transistors 59, 60. To control electrodes of the discharging transistor 56 and the first and second transmission transistor 59, 60 is applied a column selection line (CSL) signal.
    • 公开了一种能够在半导体存储器件中使用的高速数据输入/输出操作和大规模集成的数据传输电路。 数据传输电路具有至少一个存储单元51,字线52,一对位线65,66,读出放大器55和一对隔离晶体管53,54。此外,该电路包括一对公共 输入/输出线67,68,用于传输具有互补逻辑操作的输入或输出数据,放电晶体管56在其栅极处接收控制信号,并具有与接地电压节点连接的通道,用于传送施加到一端的电位 以及一对发射晶体管59,60,在其各自的栅极处接收控制信号,并且每个通道与公共输入/输出线连接。 两对输入晶体管61,62,63,64与位线连接,它们的通道各自连接在位线65,66和透射晶体管59,60之间,它们的栅极各自与输入/输出线连接。 一对输出晶体管57,58各自具有连接到位线的栅电极,并且具有连接在放电晶体管56的沟道和透射晶体管59,60的沟道之间的沟道。为了控制放电晶体管的电极 56和第一和第二传输晶体管59,60被施加列选择线(CSL)信号。
    • 13. 发明授权
    • Method of making stacked capacitor DRAM cell
    • 堆叠电容器DRAM单元的制作方法
    • US5120674A
    • 1992-06-09
    • US431790
    • 1989-11-06
    • Dae-Je ChinTae-Young Chung
    • Dae-Je ChinTae-Young Chung
    • H01L27/04H01L21/822H01L21/8242H01L27/10H01L27/108
    • H01L27/10852H01L27/10808
    • A saddled and wrapped stack capacitor DRAM and a method thereof are provided. The DRAM of the invention includes three foactors in increasing the effective areas for a capacitor. One is a storage poly layer comprising a first poly layer and a second poly layer, which is formed thick in a region over a field oxide layer through two steps; another is a spacer which is formed through an etchback technique for an oxide layer coated on another oxide layer being patterned to selectively remove the storage poly layer, and the spacer makes the storage poly to be remained maximize or be proper by controlling the size thereof; another is an undercut which is formed in boundary regions on an upper oxide layer, on which a plate poly material is coated and wraps.
    • 提供了一种叠置和堆叠的堆叠电容器DRAM及其方法。 本发明的DRAM在增加电容器的有效面积方面包括三个电容。 一种是存储多层,其包括第一多晶层和第二多晶硅层,其通过两个步骤在场氧化物层上的区域中形成为厚; 另一个是通过回蚀技术形成的间隔物,其用于涂覆在另一氧化物层上的氧化物层,其被图案化以选择性地除去存储多晶硅层,并且间隔物通过控制其尺寸使储存聚维持最大化或适当; 另一种是形成在上氧化层上的边界区域上的底切,在其上涂覆和包裹平板聚合物材料。