公开(公告)号：US20240096945A1

公开(公告)日：2024-03-21

申请号：US18527453

申请日：2023-12-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minhee Choi ,  Seojin Jeong ,  Seokhoon Kim ,  Jungtaek Kim ,  Pankwi Park ,  Moonseung Yang ,  Ryong Ha

IPC: H01L29/06 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L29/0665 ,  H01L29/6656 ,  H01L29/78618

Abstract: An integrated circuit device includes a fin-type active region on a substrate; at least one nanosheet having a bottom surface facing the fin top; a gate line on the fin-type active region; and a source/drain region on the fin-type active region, adjacent to the gate line, and in contact with the at least one nanosheet, wherein the source/drain region includes a lower main body layer and an upper main body layer, a top surface of the lower main body layer includes a lower facet declining toward the substrate as it extends in a direction from the at least one nanosheet to a center of the source/drain region, and the upper main body layer includes a bottom surface contacting the lower facet and a top surface having an upper facet. With respect to a vertical cross section, the lower facet extends along a corresponding first line and the upper facet extends along a second line that intersects the first line.

公开(公告)号：US20240030286A1

公开(公告)日：2024-01-25

申请号：US18140905

申请日：2023-04-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yoon Heo ,  Seokhoon Kim ,  Jungtaek Kim ,  Pankwi Park ,  Moonseung Yang ,  Sumin Yu ,  Seojin Jeong ,  Edward Namkyu Cho ,  Ryong Ha

IPC: H01L29/08 ,  H01L27/092 ,  H01L29/06 ,  H01L29/423 ,  H01L29/775 ,  H01L21/02 ,  H01L29/66

CPC classification number: H01L29/0847 ,  H01L27/0922 ,  H01L29/0653 ,  H01L29/0673 ,  H01L29/42392 ,  H01L29/775 ,  H01L21/02532 ,  H01L29/66545 ,  H01L29/66439

Abstract: An integrated circuit device includes a plurality of fin-type active areas extending in a first horizontal direction on a substrate, a plurality of channel regions respectively on the plurality of fin-type active areas, a plurality of gate lines surrounding the plurality of channel regions on the plurality of fin-type active areas and extending in a second horizontal direction that crosses the first horizontal direction, and a plurality of source/drain regions respectively at positions adjacent to the plurality of gate lines on the plurality of fin-type active areas and respectively in contact with the plurality of channel regions, and the plurality of source/drain regions respectively include a plurality of semiconductor layers and at least one air gap located therein.

公开(公告)号：US20230402459A1

公开(公告)日：2023-12-14

申请号：US18185941

申请日：2023-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seojin Jeong ,  Jungtaek Kim ,  Moonseung Yang ,  Sumin Yu ,  Edward Namkyu Cho ,  Seokhoon Kim ,  Pankwi Park

IPC: H01L27/092 ,  H01L29/78 ,  H01L29/06 ,  H01L29/786 ,  H01L29/775 ,  H01L29/423

CPC classification number: H01L27/0924 ,  H01L29/7851 ,  H01L29/0673 ,  H01L29/78696 ,  H01L29/775 ,  H01L29/42392

Abstract: An integrated circuit (IC) device includes a fin-type active region, a channel region on the fin-type active region, a gate line surrounding the channel region on the fin-type active region, a source/drain region that is adjacent to the gate line on the fin-type active region and has a sidewall facing the channel region, wherein the source/drain region includes a first buffer layer, a second buffer layer, and a main body layer, which are sequentially stacked in a direction away from the fin-type active region, each include a Si1-xGex layer (x≠0) doped with a p-type dopant, and have different Ge concentrations, and the second buffer layer conformally covers a surface of the first buffer layer that faces the main body layer. A thickness ratio of the side buffer portion to the bottom buffer portion is in a range of about 0.9 to about 1.1.

公开(公告)号：US20230378336A1

公开(公告)日：2023-11-23

申请号：US18117405

申请日：2023-03-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namkyu Cho ,  Jungtaek Kim ,  Moonseung Yang ,  Sumin Yu ,  Seojin Jeong ,  Seokhoon Kim ,  Pankwi Park

IPC: H01L29/775 ,  H01L29/423 ,  H01L29/06 ,  H01L29/417

CPC classification number: H01L29/775 ,  H01L29/42392 ,  H01L29/0673 ,  H01L29/0649 ,  H01L29/41775

Abstract: A semiconductor device includes an active region extending on a substrate in a first direction, a plurality of channel layers on the active region to be spaced apart from each other in a vertical direction, perpendicular to an upper surface of the substrate, the plurality of channel layers including silicon germanium, a gate structure intersecting the active region and the plurality of channel layers on the substrate to surround the plurality of channel layers, respectively, a source/drain region on the active region on at least one side of the gate structure, the source/drain region in contact with the plurality of channel layers, and a substrate insulating layer disposed between the source/drain region and the substrate. The source/drain region includes a first layer in contact with a side surface of the gate structure, side surfaces of the plurality of channel layers, and an upper surface of the substrate insulating layer.

公开(公告)号：US11631674B2

公开(公告)日：2023-04-18

申请号：US17231114

申请日：2021-04-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minhee Choi ,  Keunhwi Cho ,  Myunggil Kang ,  Seokhoon Kim ,  Dongwon Kim ,  Pankwi Park ,  Dongsuk Shin

IPC: H01L27/092 ,  H01L29/06 ,  H01L29/66 ,  H01L29/78

Abstract: An integrated circuit device includes a fin-type active area along a first horizontal direction on a substrate, a device isolation layer on opposite sidewalls of the fin-type active area, a gate structure along a second horizontal direction crossing the first horizontal direction, the gate structure being on the fin-type active area and on the device isolation layer, and a source/drain area on the fin-type active area, the source/drain area being adjacent to the gate structure, and including an outer blocking layer, an inner blocking layer, and a main body layer sequentially stacked on the fin-type active area, and each of the outer blocking layer and the main body layer including a Si1-xGex layer, where x≠0, and the inner blocking layer including a Si layer.

公开(公告)号：US11563089B2

公开(公告)日：2023-01-24

申请号：US17471244

申请日：2021-09-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seojin Jeong ,  Jinyeong Joe ,  Seokhoon Kim ,  Jeongho Yoo ,  Seung Hun Lee ,  Sihyung Lee

IPC: H01L21/82 ,  H01L21/76 ,  H01L29/16 ,  H01L29/10 ,  H01L29/04 ,  H01L29/167 ,  H01L29/36 ,  H01L27/092 ,  H01L29/06 ,  H01L21/8238 ,  H01L21/762 ,  H01L29/66 ,  H01L29/08 ,  H01L21/02

Abstract: A semiconductor device includes a substrate, a device isolation layer on the substrate, the device isolation layer defining a first active pattern, a pair of first source/drain patterns on the first active pattern, the pair of first source/drain patterns being spaced apart from each other in a first direction, and each of the pair of first source/drain patterns having a maximum first width in the first direction, a first channel pattern between the pair of first source/drain patterns, a gate electrode on the first channel pattern and extends in a second direction intersecting the first direction, and a first amorphous region in the first active pattern, the first amorphous region being below at least one of the pair of first source/drain patterns, and having a maximum second width in the first direction that is less than the maximum first width.

公开(公告)号：US20220059654A1

公开(公告)日：2022-02-24

申请号：US17207690

申请日：2021-03-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinbum Kim ,  Seokhoon Kim ,  Kwanheum Lee ,  Choeun Lee ,  Sujin Jung

IPC: H01L29/08 ,  H01L29/78 ,  H01L29/167 ,  H01L29/786 ,  H01L29/06 ,  H01L29/66

Abstract: A semiconductor device includes a channel, a first source/drain structure on a first side surface of the channel, a second source/drain structure on a second side surface of the channel, a gate structure surrounding the channel, an inner spacer layer on a side surface of the gate structure, and an outer spacer layer on an outer surface of the inner spacer layer. The first source/drain structure includes a first source/drain layer on the channel and a second source/drain layer on the first source/drain layer, and on a plane of the semiconductor device that passes through the channel, at least one of a first boundary line of the first source/drain layer in contact with the second source/drain layer and a second boundary line of the first source/drain layer in contact with the channel may be convex, extending toward the channel.

公开(公告)号：US20210028281A1

公开(公告)日：2021-01-28

申请号：US16806629

申请日：2020-03-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokhoon Kim ,  Dongmyoung Kim ,  Kanghun Moon ,  Hyunkwan Yu ,  Sanggil Lee ,  Seunghun Lee ,  Sihyung Lee ,  Choeun Lee ,  Edward Namkyu Cho ,  Yang Xu

IPC: H01L29/08 ,  H01L29/78 ,  H01L27/088 ,  H01L29/06 ,  H01L21/8234

Abstract: A semiconductor device includes a substrate, a fin structure on the substrate, a gate structure on the fin structure, a gate spacer on at least on side surface of the gate structure, and a source/drain structure on the fin structure, wherein a topmost portion of a bottom surface of the gate spacer is lower than a topmost portion of a top surface of the fin structure, and a topmost portion of a top surface of the source/drain structure is lower than the topmost portion of the top surface of the fin structure.

公开(公告)号：US10903108B2

公开(公告)日：2021-01-26

申请号：US15869718

申请日：2018-01-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunguk Jang ,  Seokhoon Kim ,  Seung Hun Lee ,  Yang Xu ,  Jeongho Yoo ,  Jongryeol Yoo ,  Youngdae Cho

IPC: H01L21/76 ,  H01L21/762 ,  H01L21/225 ,  H01L29/423 ,  H01L21/02 ,  H01L29/66 ,  H01L29/165 ,  H01L29/78

Abstract: Semiconductor devices and methods of forming the same are provided. The methods may implanting dopants into a substrate to form a preliminary impurity region and heating the substrate to convert the preliminary impurity region into an impurity region. Heating the substrate may be performed at an ambient temperature of from about 800° C. to about 950° C. for from about 20 min to about 50 min. The method may also include forming first and second trenches in the impurity region to define an active tin and forming a first isolation layer and a second isolation layer in the first and second trenches, respectively. The first and second isolation layers may expose opposing sides of the active fin. The method may further include forming a gate insulation layer extending on the opposing sides and an upper surface of the active fin and forming a gate electrode traversing the active fin.

公开(公告)号：US09252244B2

公开(公告)日：2016-02-02

申请号：US14498996

申请日：2014-09-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： JinBum Kim ,  Seong Hoon Jeong ,  Jeon Il Lee ,  Seokhoon Kim ,  Kwan Heum Lee ,  Choeun Lee ,  Yu-Jin Pyo

IPC: H01L21/336 ,  H01L29/66 ,  H01L29/51 ,  H01L29/161 ,  H01L21/02 ,  H01L29/78 ,  H01L21/8238 ,  H01L21/8234 ,  H01L27/12

CPC classification number: H01L29/66795 ,  H01L21/0223 ,  H01L21/02252 ,  H01L21/02326 ,  H01L21/0234 ,  H01L21/823418 ,  H01L21/823431 ,  H01L21/823821 ,  H01L27/1211 ,  H01L29/161 ,  H01L29/517 ,  H01L29/66545 ,  H01L29/6656 ,  H01L29/785

Abstract: The inventive concepts provide methods of manufacturing a semiconductor device. The method includes patterning a substrate to form an active pattern, forming a gate pattern intersecting the active pattern, forming a gate spacer on a sidewall of the gate pattern, forming a growth-inhibiting layer covering an upper region of the gate pattern, and forming source/drain electrodes at opposite first and second sides of the gate pattern.

Abstract translation: 本发明构思提供制造半导体器件的方法。 该方法包括图案化衬底以形成有源图案，形成与有源图案相交的栅极图案，在栅极图案的侧壁上形成栅极间隔物，形成覆盖栅极图案的上部区域的生长抑制层，以及形成 源极/漏极在栅极图案的相对的第一和第二侧。