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    • 32. 发明授权
    • Semiconductor memory cell having information storage transistor and
switching transistor
    • 具有信息存储晶体管和开关晶体管的半导体存储单元
    • US5576571A
    • 1996-11-19
    • US541173
    • 1995-10-11
    • Yutaka HayashiTakeshi Matsushita
    • Yutaka HayashiTakeshi Matsushita
    • G11C11/405G11C11/404H01L21/8238H01L21/8242H01L27/092H01L27/108H01L29/786H01L29/76H01L29/94H01L31/062H01L31/113
    • H01L27/108G11C11/404
    • A semiconductor memory cell, or a semiconductor memory cell for ASICs, of the structure is provided which ensures stable transistor operation, which does not require a large-capacitance capacitor as required in conventional DRAMs, which ensures reliable reading and writing of information, that permits short-channel design, and that allows the cell area to be reduced. The semiconductor memory cell includes: an information storage transistor TR.sub.1 comprising a semiconductor channel layer Ch.sub.1, first and second conductive gates G.sub.1, G.sub.2, and first and second conductive layers L.sub.1, L.sub.2 ; and a switching transistor TR.sub.2 comprising a semiconductor channel forming region Ch.sub.2, a third conductive gate G.sub.3, and third and fourth conductive layers L.sub.1, L.sub.4, wherein the fourth conductive layer L.sub.4 is connected to the second conductive gate G.sub.2, the first conductive gate G.sub.1 and the third conductive gate G.sub.3 are connected to a first memory-cell-selection line, the first conductive layer L.sub.1 and the third conductive layer L.sub.3 are connected to a second memory-cell-selection line, the second conductive layer L.sub.2 is connected to a fixed potential, and the semiconductor channel forming region Ch.sub.2 is connected to a read/write selection line.
    • 提供了一种结构的半导体存储单元或用于ASIC的半导体存储单元,其确保稳定的晶体管操作,其不需要常规DRAM中所需的大容量电容器,这确保可靠地读取和写入信息,这允许 短通道设计,并且可以减小单元格区域。 半导体存储单元包括:包括半导体沟道层Ch1,第一和第二导电栅极G1,G2以及第一和第二导电层L1,L2的信息存储晶体管TR1; 以及包括半导体沟道形成区域Ch2,第三导电栅极G3以及第三和第四导电层L1,L4的开关晶体管TR2,其中第四导电层L4连接到第二导电栅极G2,第一导电栅极G1和 第三导电栅极G3连接到第一存储单元选择线,第一导电层L1和第三导电层L3连接到第二存储单元选择线,第二导电层L2连接到固定 电位,并且半导体沟道形成区域Ch2连接到读/写选择线。
    • 33. 发明授权
    • Semiconductor memory cell
    • 半导体存储单元
    • US5506436A
    • 1996-04-09
    • US420068
    • 1995-04-11
    • Yutaka HayashiTakeshi Matsushita
    • Yutaka HayashiTakeshi Matsushita
    • G11C11/405G11C11/404H01L21/8238H01L21/8242H01L27/092H01L27/108H01L29/786H01L27/01H01L29/76
    • H01L27/108G11C11/404
    • A semiconductor memory cell, or a semiconductor memory cell for ASICs, of the structure is provided which ensures stable transistor operation, which does not require a large-capacitance capacitor as required in conventional DRAMs, which ensures reliable reading and writing of information, that permits short-channel design, and that allows the cell area to be reduced. The semiconductor memory cell includes: an information storage transistor TR.sub.1 comprising a semiconductor channel layer Ch.sub.1, first and second conductive gates G.sub.1, G.sub.2, and first and second conductive layers L.sub.1, L.sub.2 ; and a switching transistor TR.sub.2 comprising a semiconductor channel forming region Ch.sub.2, a third conductive gate G.sub.3, and third and fourth conductive layers L.sub.3, L.sub.4, wherein the fourth conductive layer L.sub.4 is connected to the second conductive gate G.sub.2, the first conductive gate G.sub.1 and the third conductive gate G.sub.3 are connected to a first memory-cell-selection line, the first conductive layer L.sub.1 and the third conductive layer L.sub.3 are connected to a second memory-cell-selection line, the second conductive layer L.sub. 2 is connected to a fixed potential, and the semiconductor channel forming region Ch.sub.2 is connected to a read/write selection line.
    • 提供了一种结构的半导体存储单元或用于ASIC的半导体存储单元,其确保稳定的晶体管操作,其不需要常规DRAM中所需的大容量电容器,这确保可靠地读取和写入信息,这允许 短通道设计,并且可以减小单元格区域。 半导体存储单元包括:包括半导体沟道层Ch1,第一和第二导电栅极G1,G2以及第一和第二导电层L1,L2的信息存储晶体管TR1; 以及包括半导体沟道形成区域Ch2,第三导电栅极G3以及第三和第四导电层L3,L4的开关晶体管TR2,其中第四导电层L4连接到第二导电栅极G2,第一导电栅极G1和 第三导电栅极G3连接到第一存储单元选择线,第一导电层L1和第三导电层L3连接到第二存储单元选择线,第二导电层L 2连接到 固定电位,并且半导体沟道形成区域Ch2连接到读/写选择线。