Integrated circuit device and method of fabricating the same

    公开(公告)号:US11581333B2

    公开(公告)日:2023-02-14

    申请号:US17573015

    申请日:2022-01-11

    Abstract: An integrated circuit device includes: a lower memory stack including a plurality of lower word lines located on a substrate, an upper memory stack located on the lower memory stack and including a plurality of upper word lines, at least one first lower interconnection layer extending in a horizontal direction at a first vertical level between the lower memory stack and the upper memory stack, and configured to be electrically connected to at least one lower word line selected from the plurality of lower word lines, a separate insulating film covering at least one first lower interconnection layer, and at least one first upper interconnection layer extending in the horizontal direction at a second vertical level higher than the upper memory stack, and configured to be electrically connected to at least one upper word line selected from the upper word lines.

    Memory device
    14.
    发明授权

    公开(公告)号:US11450684B2

    公开(公告)日:2022-09-20

    申请号:US17007141

    申请日:2020-08-31

    Abstract: A memory device includes a lower structure and a plurality of upper structures stacked on the lower structure. The lower structure includes a peripheral circuit, and an upper bonding pad disposed on a top surface of the lower structure. Each of the plurality of upper structures includes a bit line, a through via, and a lower bonding pad disposed on a bottom surface of the upper structures and connected to the through via. Each of upper structures, other than an uppermost upper structure, further includes an upper bonding pad disposed on a top surface thereof and connected to the through via. The bit line includes a gap separating a first portion of the bit line from a second portion thereof in the horizontal direction, and the through via overlaps the gap of the bit line in a plan view.

    VERTICAL TYPE NON-VOLATILE MEMORY DEVICES AND METHODS OF FABRICATING THE SAME

    公开(公告)号:US20240074173A1

    公开(公告)日:2024-02-29

    申请号:US18300022

    申请日:2023-04-13

    Abstract: According to some embodiments of inventive concepts, vertical nonvolatile memory devices and related methods may reduce chip size. The nonvolatile memory device may include a substrate wherein a first direction is orthogonal with respect to a surface of the substrate and wherein the substrate includes a cell array area and an extension area. A first gate structure layer on the substrate may include a plurality of first gate layers. A contact separation layer may be on the first gate structure layer on the extension area. A second gate structure layer on the first gate structure layer and on the contact separation layer may include a plurality of second gate layers. A plurality of channel structures may extend in the first direction through the first and second gate structure layers on the cell array area. A plurality of first metal contacts may extend through the first gate structure layer in the first direction between the substate and the contact separation layer in the extension area. A plurality of second metal contacts may extend through the second gate structure layer in the first direction in the extension area. The contact separation layer may be between the first plurality of metal contacts and the second plurality of metal contacts, and each of the second metal contacts may be aligned with a respective one of the first metal contacts in the first direction. The device may also include a plurality of first electrode pads and a plurality of second electrode pads. Each of the first electrode pads may extend from a sidewall of a respective one of the first metal contacts to provide electrical coupling with a respective one of the first gate layers. Each of the second electrode pads may extend from a sidewall of a respective one of the second metal contacts to provide electrical coupling with a respective one of the second gate layers.

    Semiconductor devices including supporter

    公开(公告)号:US11437300B2

    公开(公告)日:2022-09-06

    申请号:US16989017

    申请日:2020-08-10

    Abstract: A semiconductor device includes a substrate including a cell region and a connection region. The connection region includes a plurality of pad regions and a through electrode region. A horizontal conductive layer is on the substrate. A supporter is on the horizontal conductive layer. The supporter includes a first portion in the cell region, a second portion in the plurality of pad regions, and a third portion in the through electrode region. A connection conductive layer is between the first portion and the horizontal conductive layer. A connection mold layer is between the third portion and the horizontal conductive layer. A first buried insulation layer passing through the third portion, the connection mold layer, and the horizontal conductive layer is provided. A stacked structure is on the substrate. A through electrode passing through the first buried insulation layer is provided.

    Semiconductor devices including supporter

    公开(公告)号:US11996352B2

    公开(公告)日:2024-05-28

    申请号:US17888727

    申请日:2022-08-16

    CPC classification number: H01L23/481 H10B43/27

    Abstract: A semiconductor device includes a substrate including a cell region and a connection region. The connection region includes a plurality of pad regions and a through electrode region. A horizontal conductive layer is on the substrate. A supporter is on the horizontal conductive layer. The supporter includes a first portion in the cell region, a second portion in the plurality of pad regions, and a third portion in the through electrode region. A connection conductive layer is between the first portion and the horizontal conductive layer. A connection mold layer is between the third portion and the horizontal conductive layer. A first buried insulation layer passing through the third portion, the connection mold layer, and the horizontal conductive layer is provided. A stacked structure is on the substrate. A through electrode passing through the first buried insulation layer is provided.

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