SEMICONDUCTOR DEVICES HAVING GATE STRUCTURES
    31.
    发明公开

    公开(公告)号:US20240284657A1

    公开(公告)日:2024-08-22

    申请号:US18529698

    申请日:2023-12-05

    CPC classification number: H10B12/34 H10B12/315 H10B12/482

    Abstract: A semiconductor device includes a substrate having a plurality of active regions and defining a plurality of first gate trenches and a plurality of second gate trenches crossing the plurality of active regions and extending in a first horizontal direction, a plurality of gate structures including a plurality of first gate structures within the plurality of first gate trenches and a plurality of second gate structures within the plurality of second gate trenches, a bit line structure crossing the plurality of gate structures and extending in a second horizontal direction that intersects the first horizontal direction, and a contact plug disposed on a side surface of the bit line structure. When viewed in plan view, an area of at least some of the plurality of first gate structures is different from an area of at least some of the plurality of second gate structures.

    SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING THE SAME

    公开(公告)号:US20240268123A1

    公开(公告)日:2024-08-08

    申请号:US18370207

    申请日:2023-09-19

    CPC classification number: H10B53/30 H10B53/40

    Abstract: A semiconductor device includes gate structure, bit line structure, contact plug structure, stack structure, and capacitor. The gate structure is disposed on first substrate. The bit line structure is disposed on the gate structure. The contact plug structure is disposed on the first substrate and spaced apart from the bit line structure. The stack structure is disposed on the bit line structure and the contact plug structure, and may include insulation layers and plate electrodes alternately stacked in a vertical direction substantially perpendicular to an upper surface of the first substrate. The capacitor includes a second electrode extending through the stack structure and contacting the contact plug structure. A ferroelectric pattern is disposed on a sidewall of the second electrode. First electrodes are disposed on a sidewall of the ferroelectric pattern, contact sidewalls of the plate electrodes, respectively, and are spaced apart from each other in the vertical direction.

    SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20230157003A1

    公开(公告)日:2023-05-18

    申请号:US17828298

    申请日:2022-05-31

    CPC classification number: H01L27/10805 H01L27/10873 H01L27/10897

    Abstract: A semiconductor memory device including a stack structure including layer groups that are vertically stacked on a substrate and including a word line, a channel layer, and a data storage element that is electrically connected to the channel layer; and a vertically extending bit line on one side of the stack structure, wherein the word line of each of the layer groups extends in a first direction parallel to a top surface of the substrate, the layer groups include first and second layer groups that are sequentially stacked, the channel layer is below the word line of the first layer group, the channel layer is above the word line of the second layer group, and the bit line includes a first protrusion portion connected to the channel layer of the first layer group; and a second protrusion portion connected to the channel layer of the second layer group.

    SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20230157002A1

    公开(公告)日:2023-05-18

    申请号:US17745960

    申请日:2022-05-17

    CPC classification number: H01L27/10805 H01L27/10897 H01L27/10873

    Abstract: A semiconductor memory device including a stack including layer groups vertically stacked on a substrate, each of the layer groups including a word line, a lower channel layer, an upper channel layer, and a data storing element electrically connected to the lower channel layer and the upper channel layer; and a bit line at a side of the stack, the bit line extending vertically, wherein the bit line includes a protruding portion connected to the lower channel layer and the upper channel layer of each layer group, the word line of each layer group extends in a first direction parallel to a top surface of the substrate, and the word line of each layer group is sandwiched between the lower channel layer and the upper channel layer of the layer group.

    SEMICONDUCTOR MEMORY DEVICE
    38.
    发明申请

    公开(公告)号:US20230055147A1

    公开(公告)日:2023-02-23

    申请号:US17741701

    申请日:2022-05-11

    Abstract: A semiconductor memory device is disclosed. The semiconductor memory device may include a bit line extending in a first direction, a word line extending in a second direction perpendicular to the first direction, a channel pattern between the bit line and the word line, the channel pattern including a horizontal channel portion, which is connected to the bit line, and a vertical channel portion, which is extended from the horizontal channel portion in a third direction perpendicular to the first and second directions, and a gate insulating pattern between the word line and the channel pattern. The horizontal channel portion of the channel pattern may be disposed parallel to a fourth direction that is inclined to the first and second directions.

    SEMICONDUCTOR DEVICE
    39.
    发明申请

    公开(公告)号:US20230009575A1

    公开(公告)日:2023-01-12

    申请号:US17690371

    申请日:2022-03-09

    Abstract: A semiconductor device including a conductive line on a substrate, a first gate electrode on the conductive line, a second gate electrode separated by a gate isolation insulating layer on the first gate electrode, a first channel layer on a side surface of the first gate electrode, with a first gate insulating layer therebetween, a first source/drain region on another side surface of the first gate electrode, a second channel layer on another side surface of the second gate electrode on a side that is opposite to the first channel layer, with a second gate insulating layer therebetween, a second source/drain region on the second channel layer, and a third source/drain region on the first channel layer and on a side surface of the second gate electrode on a same side as the first channel layer may be provided.

    SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20220328492A1

    公开(公告)日:2022-10-13

    申请号:US17847861

    申请日:2022-06-23

    Abstract: A semiconductor memory device includes a memory cell array of a three-dimensional structure including a plurality of memory cells repeatedly arranged in a first horizontal direction and a second horizontal direction that are parallel with a main surface of a substrate and cross each other on the substrate and in a vertical direction perpendicular to the main surface, wherein each of the plurality of memory cells includes three transistors. A method of manufacturing a semiconductor memory device includes forming simultaneously a plurality of memory cells arranged in a row in a vertical direction on a substrate, wherein each of the plurality of memory cells includes three transistors.

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