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    • 6. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US08767452B2
    • 2014-07-01
    • US13418651
    • 2012-03-13
    • Masaru KitoTomoko FujiwaraHideaki Aochi
    • Masaru KitoTomoko FujiwaraHideaki Aochi
    • G11C11/14G11C11/00
    • H01L27/11565G11C5/025H01L27/11582H01L29/7926
    • According to one embodiment, a semiconductor memory device includes a stacked body, a semiconductor pillar, a charge storage layer, a tunneling layer, a dividing trench and a first heating unit. The stacked body includes a plurality of first insulating films stacked alternately with a plurality of electrode films. The semiconductor pillar pierces the stacked body. The charge storage layer is provided between the electrode films and the semiconductor pillar. The tunneling layer is provided between the charge storage layer and the semiconductor pillar. The dividing trench is provided between the semiconductor pillars in one direction orthogonal to a stacking direction of the stacked body to divide the electrode films. The first heating unit is provided in an interior of the dividing trench.
    • 根据一个实施例,半导体存储器件包括堆叠体,半导体柱,电荷存储层,隧道层,分隔沟槽和第一加热单元。 层叠体包括与多个电极膜交替堆叠的多个第一绝缘膜。 半导体柱穿透层叠体。 电荷存储层设置在电极膜和半导体柱之间。 隧道层设置在电荷存储层和半导体柱之间。 在与层叠体的堆叠方向正交的一个方向上的半导体柱之间设置分割沟槽,以分割电极膜。 第一加热单元设置在分隔沟槽的内部。