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公开(公告)号:US12052855B2
公开(公告)日:2024-07-30
申请号:US18165692
申请日:2023-02-07
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hui-Jung Kim , Taehyun An , Kiseok Lee , Keunnam Kim , Yoosang Hwang
Abstract: A semiconductor memory device includes a stack including a plurality of layers vertically stacked on a substrate, each of the layers including a bit line extending in a first direction and a semiconductor pattern extending from the bit line in a second direction crossing the first direction, a gate electrode along each of the semiconductor patterns stacked, a vertical insulating layer on the gate electrode, a stopper layer, and a data storing element electrically connected to each of the semiconductor patterns. The data storing element includes a first electrode electrically connected to each of the semiconductor patterns, a second electrode on the first electrode, and a dielectric layer between the first and second electrodes. The stopper layer is between the vertical insulating layer and the second electrode.
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公开(公告)号:US11764107B2
公开(公告)日:2023-09-19
申请号:US17144226
申请日:2021-01-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Byoungdeog Choi , JungWoo Seo , Sangyeon Han , Hyun-Woo Chung , Hongrae Kim , Yoosang Hwang
IPC: H01L21/768 , H01L23/498 , H10B12/00 , H10B61/00 , H10B63/00 , H10N70/00 , H01L23/522 , H01L23/528 , H01L23/532 , H10N70/20
CPC classification number: H01L21/7682 , H01L21/76816 , H01L21/76877 , H01L21/76897 , H01L23/498 , H01L23/528 , H01L23/5226 , H01L23/5329 , H10B12/315 , H10B61/22 , H10B63/30 , H10B63/80 , H10N70/011 , H10N70/8825 , H10N70/8828 , H10N70/8833 , H10N70/8836 , H01L2221/1063 , H01L2924/0002 , H10B12/0335 , H10B12/053 , H10N70/20 , H10N70/231 , H10N70/826 , H01L2924/0002 , H01L2924/00
Abstract: A semiconductor device includes a pair of line patterns disposed on a substrate. A contact plug is disposed between the pair of line patterns and an air gap is disposed between the contact plug and the line patterns. A landing pad extends from a top end of the contact plug to cover a first part of the air gap and an insulating layer is disposed on a second part of the air gap, which is not covered by the landing pad.
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公开(公告)号:US11706910B2
公开(公告)日:2023-07-18
申请号:US17229942
申请日:2021-04-14
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyosub Kim , Keunnam Kim , Manbok Kim , Soojeong Kim , Chulkwon Park , Seungbae Jeon , Yoosang Hwang
IPC: H10B12/00
CPC classification number: H10B12/315 , H10B12/0335 , H10B12/053 , H10B12/34 , H10B12/482
Abstract: Semiconductor devices may include an active pattern, a gate structure in an upper portion of the active pattern, a bit line structure on the active pattern, a lower spacer structure on a lower portion of a sidewall of the bit line structure, and an upper spacer structure on an upper portion of the sidewall of the bit line structure. The lower spacer structure includes first and second lower spacers sequentially stacked, the first lower spacer contacts the lower portion of the sidewall of the bit line structure and does not include nitrogen, and the second lower spacer includes a material different from the first lower spacer. A portion of the upper spacer structure contacting the upper portion of the sidewall of the bit line structure includes a material different from the first lower spacer.
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公开(公告)号:US20230189501A1
公开(公告)日:2023-06-15
申请号:US18165692
申请日:2023-02-07
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hui-Jung KIM , Taehyun An , Kiseok Lee , Yoosang Hwang
Abstract: A semiconductor memory device includes a stack including a plurality of layers vertically stacked on a substrate, each of the layers including a bit line extending in a first direction and a semiconductor pattern extending from the bit line in a second direction crossing the first direction, a gate electrode along each of the semiconductor patterns stacked, a vertical insulating layer on the gate electrode, a stopper layer, and a data storing element electrically connected to each of the semiconductor patterns. The data storing element includes a first electrode electrically connected to each of the semiconductor patterns, a second electrode on the first electrode, and a dielectric layer between the first and second electrodes. The stopper layer is between the vertical insulating layer and the second electrode.
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公开(公告)号:US11665883B2
公开(公告)日:2023-05-30
申请号:US17202465
申请日:2021-03-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Inkyoung Heo , Hyo-Sub Kim , Sohyun Park , Taejin Park , Seung-Heon Lee , Youn-Seok Choi , Sunghee Han , Yoosang Hwang
IPC: H01L27/108 , H01L23/532 , H01L21/768 , H01L23/482 , H01L21/762
CPC classification number: H01L27/10814 , H01L21/7682 , H01L23/5329 , H01L27/10823 , H01L27/10855 , H01L27/10876 , H01L27/10885 , H01L21/76264 , H01L23/4821
Abstract: A semiconductor memory device includes; a first impurity region and a second impurity region spaced apart in a semiconductor substrate, a bit line electrically connected to the first impurity region, a storage node contact electrically connected to the second impurity region, an air gap between the bit line and the storage node contact, a landing pad electrically connected to the storage node contact, a buried dielectric pattern on a sidewall of the landing pad and on the air gap, and a spacer capping pattern between the buried dielectric pattern and the air gap.
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公开(公告)号:US11616066B2
公开(公告)日:2023-03-28
申请号:US17384347
申请日:2021-07-23
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyosub Kim , Keunnam Kim , Dongoh Kim , Bongsoo Kim , Euna Kim , Chansic Yoon , Kiseok Lee , Hyeonok Jung , Sunghee Han , Yoosang Hwang
IPC: H01L27/108 , H01L23/528
Abstract: A semiconductor device includes: an active region defined by a device isolation layer formed in a substrate; a word line configured to cross the active region, the word line extending in a first direction and being formed in the substrate; a bit line extending in a second direction perpendicular to the first direction on the word line; a first contact connecting the bit line to the active region; a first mask for forming the active region, the first mask being formed on the active region; and a second mask of which a height of a top surface thereof is greater than a height of a top surface of the active region, the second mask covering the word line, wherein the active region has a bar shape that extends to form an acute angle with respect to the first direction.
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公开(公告)号:US11600620B2
公开(公告)日:2023-03-07
申请号:US17353398
申请日:2021-06-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sang-Il Han , Sunghee Han , Yoosang Hwang
IPC: H01L27/108
Abstract: A semiconductor memory device is provided. The device includes a substrate including a cell region and a peripheral region; a plurality of lower electrodes disposed on the substrate in the cell region; a dielectric layer disposed on the plurality of lower electrodes; a metal containing layer disposed on the dielectric layer; a silicon germanium layer disposed on and electrically connected to the metal containing layer; a conductive pad disposed on and electrically connected to the silicon germanium layer; and an upper electrode contact plug disposed on and electrically connected to the conductive pad; The conductive pad extends from the upper electrode contact plug towards the peripheral region in a first direction, and the silicon germanium layer includes an edge portion that extends past the conductive pad in the first direction.
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公开(公告)号:US11587929B2
公开(公告)日:2023-02-21
申请号:US16880230
申请日:2020-05-21
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hui-Jung Kim , Taehyun An , Kiseok Lee , Keunnam Kim , Yoosang Hwang
IPC: H01L27/108 , G11C5/06
Abstract: A semiconductor memory device includes a stack including a plurality of layers vertically stacked on a substrate, each of the layers including a bit line extending in a first direction and a semiconductor pattern extending from the bit line in a second direction crossing the first direction, a gate electrode along each of the semiconductor patterns stacked, a vertical insulating layer on the gate electrode, a stopper layer, and a data storing element electrically connected to each of the semiconductor patterns. The data storing element includes a first electrode electrically connected to each of the semiconductor patterns, a second electrode on the first electrode, and a dielectric layer between the first and second electrodes. The stopper layer is between the vertical insulating layer and the second electrode.
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公开(公告)号:US11569239B2
公开(公告)日:2023-01-31
申请号:US17126195
申请日:2020-12-18
Applicant: Samsung Electronics Co., Ltd.
Inventor: Kiseok Lee , Bong-Soo Kim , Jiyoung Kim , Hui-Jung Kim , Seokhan Park , Hunkook Lee , Yoosang Hwang
IPC: H01L27/108 , H01L23/528 , H01L29/08 , H01L29/165 , H01L29/10 , H01L23/522 , H01L49/02
Abstract: Semiconductor memory devices may include first and second stacks on a substrate and first and second interconnection lines on the first and second stacks. Each of the first and second stacks may include semiconductor patterns vertically stacked on the substrate, conductive lines connected to the semiconductor patterns, respectively, and a gate electrode that is adjacent to the semiconductor patterns and extends in a vertical direction. The first stack may include a first conductive line and a first gate electrode, and the second stack may include a second conductive line and a second gate electrode. Lower surfaces of the first and second conductive lines may be coplanar. The first interconnection line may be electrically connected to at least one of the first and second conductive lines. The second interconnection line may be electrically connected to at least one of the first and second gate electrodes.
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公开(公告)号:US11502084B2
公开(公告)日:2022-11-15
申请号:US16986367
申请日:2020-08-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Joongchan Shin , Changkyu Kim , Hui-Jung Kim , Iljae Shin , Taehyun An , Kiseok Lee , Eunju Cho , Hyungeun Choi , Sung-Min Park , Ahram Lee , Sangyeon Han , Yoosang Hwang
IPC: H01L27/108 , H01L23/528 , H01L21/822
Abstract: A three-dimensional semiconductor memory device includes first semiconductor patterns, which are vertically spaced apart from each other on a substrate, each of which includes first and second end portions spaced apart from each other, and first and second side surfaces spaced apart from each other to connect the first and second end portions, first and second source/drain regions disposed in each of the first semiconductor patterns and adjacent to the first and second end portions, respectively, a channel region in each of the first semiconductor patterns and between the first and second source/drain regions, a first word line adjacent to the first side surfaces and the channel regions and vertically extended, and a gate insulating layer interposed between the first word line and the first side surfaces. The gate insulating layer may be extended to be interposed between the first source/drain regions.
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