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公开(公告)号:US20240321991A1
公开(公告)日:2024-09-26
申请号:US18503019
申请日:2023-11-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Ingeon Hwang , Jinbum Kim , Hyojin Kim , Sangmoon Lee , Yongjun Nam , Taehyung Lee
IPC: H01L29/423 , H01L27/088 , H01L29/06 , H01L29/08 , H01L29/66 , H01L29/775 , H01L29/786
CPC classification number: H01L29/42392 , H01L27/088 , H01L29/0673 , H01L29/0847 , H01L29/66439 , H01L29/66545 , H01L29/775 , H01L29/78696
Abstract: An integrated circuit device includes a fin-type active region on a substrate, a nanosheet on a fin top surface of the fin-type active region, the nanosheet being apart from the fin top surface of the fin-type active region in a vertical direction, a gate line surrounding the nanosheet on the fin-type active region, and a source/drain region on the fin-type active region, the source/drain region being in contact with the nanosheet, wherein the nanosheet includes a multilayered sheet comprising a first outer semiconductor sheet, a core semiconductor sheet, and a second outer semiconductor sheet, which are sequentially stacked in the vertical direction.
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公开(公告)号:US12159938B2
公开(公告)日:2024-12-03
申请号:US17711914
申请日:2022-04-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyojin Kim , Sangmoon Lee , Jinbum Kim , Yongjun Nam
IPC: H01L29/786 , H01L21/02 , H01L21/265 , H01L21/8238 , H01L27/092 , H01L29/06 , H01L29/417 , H01L29/423 , H01L29/66
Abstract: A semiconductor device includes; a first fin vertically protruding from a substrate and extending in a first horizontal direction, a second fin vertically protruding from the substrate, an isolation layer contacting side surfaces of the first fin and the second fin, a first lower barrier layer on the first fin, a second lower barrier layer on the second fin, source/drain regions spaced apart in the first horizontal direction on the first lower barrier layer, channel layers disposed between the source/drain regions and vertically spaced apart on the first barrier layer, a gate structure intersecting the first lower barrier layer, surrounding each of the channel layers, and extending in a second horizontal direction, an upper barrier layer on the second lower barrier layer, and first semiconductor layers and second semiconductor layers stacked on the upper barrier layer.
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公开(公告)号:US20240170554A1
公开(公告)日:2024-05-23
申请号:US18511553
申请日:2023-11-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyojin Kim , Jinbum Kim , Sangmoon Lee , Dongwoo Kim , Sungmin Kim , Yongjun Nam , Ingeon Hwang
IPC: H01L29/423 , H01L29/06 , H01L29/08 , H01L29/66 , H01L29/775 , H01L29/786
CPC classification number: H01L29/42392 , H01L29/0673 , H01L29/0847 , H01L29/66545 , H01L29/775 , H01L29/78696
Abstract: A semiconductor device is provided. The semiconductor device includes: an active pattern extending in a first direction on a substrate; channel layers arranged on the active pattern; a gate structure crossing the active pattern, and surrounding the plurality of channel layers, the gate structure extending in a second direction that crosses the first direction; and source/drain regions provided on the active pattern on both sides of the gate structure, and including a first epitaxial layer connected to each of side surfaces of the channel layers, and a second epitaxial layer provided on the first epitaxial layer and having a composition different from that of the first epitaxial layer. Each of the side surfaces of the plurality of channel layers has a crystal plane of (111) or (100). The first epitaxial layer extends in the second direction and has a first thickness in the first direction that is substantially constant.
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公开(公告)号:US20240322039A1
公开(公告)日:2024-09-26
申请号:US18421001
申请日:2024-01-24
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyojin Kim , Jinbum Kim , Sangmoon Lee , Yongjun Nam , Ingeon Hwang
IPC: H01L29/78 , H01L29/423 , H01L29/66 , H01L29/775 , H01L29/786
CPC classification number: H01L29/7848 , H01L29/66439 , H01L29/66742 , H01L29/775 , H01L29/78696 , H01L29/42392
Abstract: The integrated circuit device includes a fin-type active region extending in a first direction, a channel region on the fin-type active region, a gate line on the channel region and extending in a second direction, and a source/drain region on the fin-type active region and in contact with the channel region, wherein the source/drain region includes a plurality of semiconductor layers including a first semiconductor layer that includes a portion in contact with the channel region and a portion in contact with the fin-type active region, a second semiconductor layer on the first semiconductor layer, and a third semiconductor layer on the second semiconductor layer, a germanium (Ge) content ratio in the first semiconductor layer is greater than or equal to 10 at % and less than 100 at %, and the Ge content ratio in the first semiconductor layer decreases towards a boundary with the second semiconductor layer.
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公开(公告)号:US20240321885A1
公开(公告)日:2024-09-26
申请号:US18476688
申请日:2023-09-28
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jinbum Kim , Ingyu Jang , Sujin Jung , Gyeom Kim , Hyojin Kim , Yongjun Nam , Sangmoon Lee
IPC: H01L27/092 , H01L21/8238
CPC classification number: H01L27/092 , H01L21/823814 , H01L21/823871
Abstract: An integrated circuit device includes a first transistor comprising a first conductivity type, which includes a first channel region and a first source/drain region, a second transistor comprising a second conductivity type, which includes a second channel region and a second source/drain region, a first contact structure that contacts the first source/drain region and comprising a first length, and the first contact structure extends from above the first source/drain region and beyond an uppermost surface of the first channel region by a first vertical distance, and a second contact structure that contacts the second source/drain region and having a second length that is greater than the first length, the second contact extends from above the second source/drain region and beyond an uppermost surface of the second channel region by a second vertical distance, which is greater than the first vertical distance.
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