公开(公告)号：US11521981B2

公开(公告)日：2022-12-06

申请号：US17095821

申请日：2020-11-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwangyoung Jung ,  Sangyoun Jo ,  Kohji Kanamori ,  Jeehoon Han

IPC: H01L27/11573 ,  H01L27/11556 ,  H01L27/11582 ,  G11C7/18 ,  H01L27/11519 ,  G11C16/08 ,  H01L27/11534 ,  H01L27/11565

Abstract: A 3D semiconductor memory device includes a peripheral circuit structure including a first row decoder region, a second row decoder region, and a control circuit region between the first and second row decoder regions, a first electrode structure and a second electrode structure on the peripheral circuit structure, spaced apart in a first direction, and each including stacked electrodes, a mold structure on the peripheral circuit structure between the first and second electrode structures and including stacked sacrificial layers, vertical channel structures penetrating the first and second electrode structures, a separation insulating pattern provided between the first electrode structure and the mold structure and penetrating the mold structure, and a separation structure intersecting the first electrode structure in the first direction and extending to the separation insulating pattern, wherein a maximum width of the separation insulating pattern in a second direction is greater than a maximum width of the separation structure in the second direction.

公开(公告)号：US11450681B2

公开(公告)日：2022-09-20

申请号：US16844234

申请日：2020-04-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Haemin Lee ,  Jongwon Kim ,  Shinhwan Kang ,  Kohji Kanamori ,  Jeehoon Han

IPC: H01L27/1157 ,  H01L27/11556 ,  H01L27/11521 ,  H01L27/11578

Abstract: A semiconductor device includes a first stack group having first interlayer insulating layers and first gate layers, alternately and repeatedly stacked on a substrate and a second stack group comprising second interlayer insulating layers and second gate layers, alternately and repeatedly stacked on the first stack group. Separation structures pass through the first and second stack groups and include a first separation region and a second separation region. A vertical structure passes through the first and second stack groups and includes a first vertical region and a second vertical region. A conductive line is electrically connected to the vertical structure on the second stack group. A distance between an upper end of the first vertical region and an upper surface of the substrate is greater than a distance between an upper end of the first separation region and an upper surface of the substrate.

公开(公告)号：US20220149060A1

公开(公告)日：2022-05-12

申请号：US17362903

申请日：2021-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： JAERYONG SIM ,  Giyong Chung ,  Dongsik Oh ,  Jeehoon Han

IPC: H01L27/11529 ,  H01L27/11519 ,  H01L27/11524 ,  H01L27/11565 ,  H01L27/1157 ,  H01L27/11573 ,  H01L29/423 ,  H01L21/28

Abstract: A semiconductor device includes a substrate that includes a first active region, a second active region, and an isolation region. An isolation layer pattern fills a trench in the substrate. A first gate insulation layer pattern and a first gate, electrode structure are formed on the first active region. A second gate insulation layer pattern and second gate electrode structure are formed on the second active region. The first gate electrode structure includes a first polysilicon pattern, a second polysilicon pattern, and a first metal pattern. The second gate electrode structure includes a third polysilicon pattern, a fourth polysilicon pattern, and a second metal pattern. An upper surface of the isolation layer pattern is higher than upper surfaces of each of the first and third polysilicon patterns. A sidewall of each of the first and third polysilicon patterns contacts sidewalls of the isolation layer pattern.

公开(公告)号：US11114461B2

公开(公告)日：2021-09-07

申请号：US16700059

申请日：2019-12-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongseon Ahn ,  Jaeryong Sim ,  Giyong Chung ,  Jeehoon Han

IPC: H01L27/11524 ,  H01L27/11582 ,  H01L27/11556 ,  H01L27/11529 ,  H01L23/60 ,  H01L27/11573 ,  H01L29/06 ,  H01L21/311 ,  H01L27/1157

Abstract: A three-dimensional (3D) semiconductor memory device including: first and second semiconductor layers horizontally spaced apart from each other; a buried insulating layer between the first and second semiconductor lavers; a first cell array structure disposed on the first semiconductor layer, and a second cell array structure disposed on the second semiconductor layer; and an isolation structure disposed on the buried insulating layer between the first and second cell array structures, wherein the first cell array structure includes: an electrode structure including electrodes, which are stacked in a direction perpendicular to a top surface of the first semiconductor layer; and a first source structure disposed between the first semiconductor layer and the electrode structure, the first source structure is extended onto the buried insulating layer, and the isolation structure is between the first source structure of the first cell array structure and a second source structure of the second cell array structure.

公开(公告)号：US20250008737A1

公开(公告)日：2025-01-02

申请号：US18882427

申请日：2024-09-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sanghun Chun ,  Shinhwan Kang ,  Jihwan Kim ,  Jeehoon Han

IPC: H10B43/40 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B41/40 ,  H10B43/10 ,  H10B43/27 ,  H10B43/35

Abstract: A semiconductor device includes a lower structure including a peripheral circuit; a stack structure on the lower structure, extending from a memory cell array region to a stepped region, and including a gate stacked region, and an insulator stacked regions arranged in the stepped region in a first direction; a capping insulating structure on the stack structure; and separation structures passing through the gate stacked region. The stack structure includes interlayer insulating layers and horizontal layers, alternately and repeatedly stacked, the horizontal layers include gate horizontal layers and insulating horizontal layers, the gate stacked region includes the gate horizontal layers, each of the insulator stacked regions includes the insulating horizontal layers, in the stepped region, the stack structure includes a first stepped region, a connection stepped region, and a second stepped region.

公开(公告)号：US12183677B2

公开(公告)日：2024-12-31

申请号：US18526208

申请日：2023-12-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hun Lee ,  Seokjung Yun ,  Chang-Sup Lee ,  Seong Soon Cho ,  Jeehoon Han

IPC: H01L23/528 ,  H01L21/768 ,  H01L23/522 ,  H10B41/20 ,  H10B41/27 ,  H10B43/10 ,  H10B43/20 ,  H10B43/27 ,  H10B43/35 ,  H10B43/50

Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.

公开(公告)号：US12167598B2

公开(公告)日：2024-12-10

申请号：US17703130

申请日：2022-03-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kanamori Kohji ,  Jeehoon Han

IPC: H10B43/27 ,  H01L23/528 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B41/48 ,  H10B43/10 ,  H10B43/35 ,  H10B43/40

Abstract: Disclosed are three-dimensional semiconductor memory devices, methods of manufacturing the same, and electronic systems including the same. The device includes a peripheral circuit structure on a substrate, and a cell array structure including a stack structure that includes gate electrodes on the peripheral circuit structure, a first source conductive pattern on the stack structure, and vertical channel structures in vertical channel holes that penetrate the stack structure and the first source conductive pattern. The vertical channel structure includes a data storage pattern on a sidewall of the vertical channel hole, a vertical semiconductor pattern on the data storage pattern, and a second source conductive pattern on the vertical semiconductor pattern and surrounded by the data storage pattern. A thickness of the data storage pattern between the first source conductive pattern and the second source conductive pattern is greater than it is between the stack structure and the vertical semiconductor pattern.

公开(公告)号：US20240355735A1

公开(公告)日：2024-10-24

申请号：US18419856

申请日：2024-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyemi LEE ,  Seungyoon Kim ,  Heesuk Kim ,  Sangjae Lee ,  Jaehoon Lee ,  Juyoung Lim ,  Minkyu Chung ,  Sanghun Chun ,  Jeehoon Han

IPC: H01L23/528 ,  H01L23/522 ,  H01L25/065 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B43/10 ,  H10B43/27 ,  H10B43/35 ,  H10B80/00

CPC classification number: H01L23/5283 ,  H01L23/5226 ,  H01L25/0652 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B43/10 ,  H10B43/27 ,  H10B43/35 ,  H10B80/00 ,  H01L2225/06506

Abstract: A semiconductor device includes a plate layer, gate electrodes and interlayer insulating layers alternately stacked on the plate layer in a first direction perpendicular to an upper surface of the plate layer and forming a first stack structure and a second stack structure on the first stack structure, a channel structure penetrating through the gate electrodes and extending in the first direction, and a contact plug extending in the first direction and electrically connected to one of the gate electrodes, wherein the second stack structure includes a first gate electrode on a lowermost portion, a first interlayer insulating layer on the first gate electrode, and a second interlayer insulating layer on the first interlayer insulating layer, and the first interlayer insulating layer has a first thickness, and the second interlayer insulating layer has a second thickness smaller than the first thickness.

公开(公告)号：US20240324221A1

公开(公告)日：2024-09-26

申请号：US18612110

申请日：2024-03-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kohji Kanamori ,  Seogoo Kang ,  Kyungdong Kim ,  Seunghyun Lee ,  Jeehoon Han

IPC: H10B43/27 ,  G11C5/06 ,  G11C16/04 ,  G11C16/08 ,  H01L23/528 ,  H01L25/065 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B41/40 ,  H10B43/10 ,  H10B43/35 ,  H10B43/40 ,  H10B80/00

CPC classification number: H10B43/27 ,  G11C5/063 ,  G11C16/0483 ,  G11C16/08 ,  H01L23/5283 ,  H01L25/0652 ,  H10B41/10 ,  H10B41/27 ,  H10B41/35 ,  H10B41/40 ,  H10B43/10 ,  H10B43/35 ,  H10B43/40 ,  H10B80/00 ,  H01L2225/06506

Abstract: A memory device is provided. The memory device includes a first cell array stack including first gate electrodes, a first channel structure, and first pad portions respectively connected to the first gate electrodes and having a step shape, a second cell array stack disposed on the first cell array stack and including second gate electrodes, a second channel structure, and second pad portions respectively connected to the second gate electrodes and having a step shape, wherein the second pad portions overlap the first pad portions in the first direction, and a vertical contact passing through any one of the first pad portions, first extension portions below the any one of the first pad portions, any one of the second pad portions, and second extension portions below the any one of the second pad portions, to extend in the first direction.

公开(公告)号：US20240306389A1

公开(公告)日：2024-09-12

申请号：US18591486

申请日：2024-02-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kohji Kanamori ,  Jeehoon Han

IPC: H10B43/27 ,  G11C16/08 ,  H10B41/10 ,  H10B41/27 ,  H10B41/40 ,  H10B43/10 ,  H10B43/40

CPC classification number: H10B43/27 ,  H10B41/10 ,  H10B41/27 ,  H10B41/40 ,  H10B43/10 ,  H10B43/40 ,  G11C16/08

Abstract: A memory device includes a first bit line pad and a second bit line pad on a substrate and separated from each other in a first horizontal direction, a plurality of horizontal channel areas extending parallel in the first horizontal direction between the first bit line pad and the second bit line pad, and alternately connected to the first bit line pad and the second bit line pad at first end portions of the plurality of horizontal channel areas, a plurality of common source plugs connected to the second end portions of the plurality of horizontal channel areas opposite to the first end portions, and a plurality of gate plugs extending in a vertical direction and disposed between the plurality of horizontal channel areas, and respectively having end portions in a second horizontal direction perpendicular to the first horizontal direction in contact with the plurality of horizontal channel areas.