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    • 44. 发明授权
    • Nonvolatile semiconductor memory device
    • 非易失性半导体存储器件
    • US08559216B2
    • 2013-10-15
    • US13560557
    • 2012-07-27
    • Naoki YasudaDaisuke MatsushitaKoichi Muraoka
    • Naoki YasudaDaisuke MatsushitaKoichi Muraoka
    • G11C11/00
    • H01L27/101H01L27/1021H01L27/2418H01L27/2481
    • According to one embodiment, a nonvolatile semiconductor memory device includes a plurality of first interconnections arranged parallel, a plurality of second interconnections arranged parallel to intersect the first interconnections, and memory cell portions respectively arranged at intersecting portions between the first and second interconnections and each configured by laminating a variable-resistance element and a diode element. The diode element has a laminated structure having a first insulating film, a conductive fine grain layer and a second insulating film. The physical film thickness of the second insulating film is greater than the first insulating film and the dielectric constant of the second insulating film is greater than the first insulating film.
    • 根据一个实施例,非易失性半导体存储器件包括平行布置的多个第一互连,并行布置成与第一互连相交的多个第二互连,以及分别布置在第一和第二互连之间的相交部分处的每个配置的存储单元部分 通过层叠可变电阻元件和二极管元件。 二极管元件具有具有第一绝缘膜,导电细晶粒层和第二绝缘膜的层叠结构。 第二绝缘膜的物理膜厚度大于第一绝缘膜,并且第二绝缘膜的介电常数大于第一绝缘膜。
    • 47. 发明申请
    • NONVOLATILE SEMICONDUCTOR MEMORY
    • 非易失性半导体存储器
    • US20120235223A1
    • 2012-09-20
    • US13427587
    • 2012-03-22
    • Ryuji OHBADaisuke Matsushita
    • Ryuji OHBADaisuke Matsushita
    • H01L29/792H01L21/336
    • B82Y10/00G11C16/0466H01L21/28273H01L21/28282H01L29/42332H01L29/7881H01L29/792
    • According to one embodiment, a nonvolatile semiconductor memory including a first gate insulating film formed on a channel region of a semiconductor substrate, a first particle layer formed in the first gate insulating film, a charge storage part formed on the first gate insulating film, a second gate insulating film which is formed on the charge storage part, a second particle layer formed in the second gate insulating film, and a gate electrode formed on the second gate insulating film. The first particle layer includes first conductive particles that satisfy Coulomb blockade conditions. The second particle layer includes second conductive particles that satisfy Coulomb blockade conditions and differs from the first conductive particles in average particle diameter.
    • 根据一个实施例,一种非易失性半导体存储器,包括形成在半导体衬底的沟道区上的第一栅极绝缘膜,形成在第一栅极绝缘膜中的第一颗粒层,形成在第一栅极绝缘膜上的电荷存储部, 形成在电荷存储部上的第二栅极绝缘膜,形成在第二栅极绝缘膜中的第二粒子层和形成在第二栅极绝缘膜上的栅电极。 第一颗粒层包括满足库仑阻挡条件的第一导电颗粒。 第二粒子层包含满足库仑阻挡条件的第二导电粒子,与第一导电粒子的平均粒径不同。