THREE-DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE

    公开(公告)号:US20190035807A1

    公开(公告)日:2019-01-31

    申请号:US15991476

    申请日:2018-05-29

    Abstract: A three-dimensional semiconductor memory device and a method of manufacturing the same. The device may include a substrate including a cell array region and a connection region, an electrode structure including electrodes vertically stacked on the substrate, a plurality of first vertical structures penetrating the electrode structures on the cell array region, and a plurality of second vertical structures penetrating the electrode structures on the connection region. Each of the first and second vertical structures may include a lower semiconductor pattern connected to the substrate and an upper semiconductor pattern connected to the lower semiconductor pattern.

    SEMICONDUCTOR MEMORY DEVICE
    3.
    发明申请

    公开(公告)号:US20190326317A1

    公开(公告)日:2019-10-24

    申请号:US16223894

    申请日:2018-12-18

    Abstract: A semiconductor memory device includes a substrate including a cell array region and a pad region, a stack structure disposed on the cell array region and the pad region of the substrate and including gate electrodes, a device isolation layer vertically overlapping the stack structure and disposed in the pad region of the substrate, a dummy vertical channel portion penetrating the stack structure on the pad region of the substrate and disposed in the device isolation layer, and a dummy semiconductor pillar disposed between the dummy vertical channel portion and one portion of the substrate being in contact with one sidewall of the device isolation layer.

    NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20210343740A1

    公开(公告)日:2021-11-04

    申请号:US17360013

    申请日:2021-06-28

    Abstract: A nonvolatile memory device with improved operation performance and reliability, and a method for fabricating the same are provided. The nonvolatile memory device includes a substrate, a peripheral circuit structure on the substrate, a mold structure including a plurality of insulating patterns and a plurality of gate electrodes stacked alternately on the peripheral circuit structure, a channel structure penetrating the mold structure, a first impurity pattern in contact with first portions of the channel structure and having a first conductivity type, on the mold structure, and a second impurity pattern in contact with second portions of the channel structure and having a second conductivity type different from the first conductivity type, on the mold structure.

    NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20210036009A1

    公开(公告)日:2021-02-04

    申请号:US16818294

    申请日:2020-03-13

    Abstract: A nonvolatile memory device with improved operation performance and reliability, and a method for fabricating the same are provided. The nonvolatile memory device includes a substrate, a peripheral circuit structure on the substrate, a mold structure including a plurality of insulating patterns and a plurality of gate electrodes stacked alternately on the peripheral circuit structure, a channel structure penetrating the mold structure, a first impurity pattern in contact with first portions of the channel structure and having a first conductivity type, on the mold structure, and a second impurity pattern in contact with second portions of the channel structure and having a second conductivity type different from the first conductivity type, on the mold structure.

Patent Agency Ranking