公开(公告)号：US12062661B2

公开(公告)日：2024-08-13

申请号：US17831861

申请日：2022-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongho Park ,  Jaeyeol Song ,  Wandon Kim ,  Byounghoon Lee ,  Musarrat Hasan

IPC: H01L27/092 ,  H01L21/8238 ,  H01L29/06 ,  H01L29/08 ,  H01L29/10 ,  H01L29/161 ,  H01L29/417 ,  H01L29/423 ,  H01L29/49 ,  H01L29/51 ,  H01L29/66 ,  H01L29/78 ,  H01L29/786

CPC classification number: H01L27/0922 ,  H01L21/823807 ,  H01L21/823814 ,  H01L21/823821 ,  H01L21/823842 ,  H01L21/823857 ,  H01L21/823871 ,  H01L27/0924 ,  H01L29/0653 ,  H01L29/0673 ,  H01L29/0847 ,  H01L29/1054 ,  H01L29/161 ,  H01L29/41791 ,  H01L29/42392 ,  H01L29/4908 ,  H01L29/4966 ,  H01L29/516 ,  H01L29/517 ,  H01L29/66545 ,  H01L29/7848 ,  H01L29/78696

Abstract: A semiconductor device includes first and second active patterns on first and second active regions of a substrate, respectively, a pair of first source/drain patterns and a first channel pattern therebetween which are in an upper portion of the first active pattern, a pair of second source/drain patterns and a second channel pattern therebetween which are in an upper portion of the second active pattern, and first and second gate electrodes intersecting the first and second channel patterns, respectively. Each of the first and second gate electrodes includes a first metal pattern adjacent to a corresponding one of the first and second channel patterns. The first and second channel patterns include SiGe. A Ge concentration of the second channel pattern is higher than a Ge concentration of the first channel pattern. A thickness of the first metal pattern of the second gate electrode is greater than a thickness of the first metal pattern of the first gate electrode.

公开(公告)号：US20210151432A1

公开(公告)日：2021-05-20

申请号：US16912427

申请日：2020-06-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeyeol Song ,  Seungha Oh ,  Rakhwan Kim ,  Minjung Park ,  Dongsoo Lee

IPC: H01L27/088 ,  H01L29/78 ,  H01L29/66 ,  H01L21/8234 ,  H01L29/51

Abstract: An integrated circuit (IC) device includes first and second fin-type semiconductor active regions on a substrate. A plurality of first semiconductor patterns are provided, which are stacked on the first fin-type active region as a first plurality of spaced-apart channel regions of a first FINFET. A plurality of second semiconductor patterns are provided, which are stacked on the second fin-type active region as a second plurality of spaced-apart channel regions of a second FINFET. A first gate structure is provided on the plurality of first semiconductor patterns. This first gate structure includes a first material region, which at least partially fills spaces between the first plurality of spaced-apart channel regions. A second gate structure is also provided on the plurality of second semiconductor patterns. The second gate structure includes second and third material regions, which at least partially fill spaces between the second plurality of spaced-apart channel regions.

公开(公告)号：US09991357B2

公开(公告)日：2018-06-05

申请号：US15186982

申请日：2016-06-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeyeol Song ,  Wandon Kim ,  Hoonjoo Na ,  Suyoung Bae ,  Hyeok-Jun Son ,  Sangjin Hyun

IPC: H01L27/088 ,  H01L29/51 ,  H01L27/085 ,  H01L21/28 ,  H01L29/49

CPC classification number: H01L29/517 ,  H01L21/28185 ,  H01L21/28194 ,  H01L21/28202 ,  H01L21/823431 ,  H01L21/82345 ,  H01L21/823462 ,  H01L27/085 ,  H01L27/088 ,  H01L27/0886 ,  H01L29/4966 ,  H01L29/513 ,  H01L29/518

Abstract: A semiconductor device includes a semiconductor substrate including multiple active regions having a common conductivity type and separate, respective gate electrodes on the separate active regions. Different high-k dielectric layers may be between the separate active regions and the respective gate electrodes on the active regions. Different quantities of high-k dielectric layers may be between the separate active regions and the respective gate electrodes on the active regions. The different high-k dielectric layers may include different work-function adjusting materials.

公开(公告)号：US11742351B2

公开(公告)日：2023-08-29

申请号：US17384920

申请日：2021-07-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongsoo Lee ,  Wonkeun Chung ,  Hoonjoo Na ,  Suyoung Bae ,  Jaeyeol Song ,  Jonghan Lee ,  HyungSuk Jung ,  Sangjin Hyun

IPC: H01L27/092 ,  H01L29/786 ,  H01L29/49 ,  H01L29/51 ,  H01L29/423 ,  H01L27/088 ,  H01L21/8238

CPC classification number: H01L27/0922 ,  H01L21/823842 ,  H01L29/42392 ,  H01L29/4966 ,  H01L29/517 ,  H01L29/78696

Abstract: Disclosed are semiconductor devices and methods of manufacturing the same. The semiconductor device comprises a first transistor on a substrate, and a second transistor on the substrate. Each of the first and second transistors includes a plurality of semiconductor patterns vertically stacked on the substrate and vertically spaced apart from each other, and a gate dielectric pattern and a work function pattern filling a space between the semiconductor patterns. The work function pattern of the first transistor includes a first work function metal layer, the work function pattern of the second transistor includes the first work function metal layer and a second work function metal layer, the first work function metal layer of each of the first and second transistors has a work function greater than that of the second work function metal layer, and the first transistor has a threshold voltage less than that of the second transistor.

公开(公告)号：US11557656B2

公开(公告)日：2023-01-17

申请号：US17024813

申请日：2020-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jonghan Lee ,  Wandon Kim ,  Jaeyeol Song ,  Jeonghyuk Yim ,  HyungSuk Jung

IPC: H01L29/423 ,  H01L27/088 ,  H01L29/51 ,  H01L29/66 ,  H01L21/28 ,  H01L21/8234 ,  H01L21/768

Abstract: Disclosed are semiconductor devices and methods of manufacturing the same. The semiconductor device comprises a gate electrode on a substrate, an upper capping pattern on the gate electrode, and a lower capping pattern between the gate electrode and the upper capping pattern. The lower capping pattern comprises a first portion between the gate electrode and the upper capping pattern, and a plurality of second portions extending from the first portion onto corresponding side surfaces of the upper capping pattern. The upper capping pattern covers a topmost surface of each of the second portions.

公开(公告)号：US11335680B2

公开(公告)日：2022-05-17

申请号：US16912427

申请日：2020-06-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeyeol Song ,  Seungha Oh ,  Rakhwan Kim ,  Minjung Park ,  Dongsoo Lee

IPC: H01L27/088 ,  H01L29/78 ,  H01L29/51 ,  H01L21/8234 ,  H01L29/66

Abstract: An integrated circuit (IC) device includes first and second fin-type semiconductor active regions on a substrate. A plurality of first semiconductor patterns are provided, which are stacked on the first fin-type active region as a first plurality of spaced-apart channel regions of a first FINFET. A plurality of second semiconductor patterns are provided, which are stacked on the second fin-type active region as a second plurality of spaced-apart channel regions of a second FINFET. A first gate structure is provided on the plurality of first semiconductor patterns. This first gate structure includes a first material region, which at least partially fills spaces between the first plurality of spaced-apart channel regions. A second gate structure is also provided on the plurality of second semiconductor patterns. The second gate structure includes second and third material regions, which at least partially fill spaces between the second plurality of spaced-apart channel regions.

公开(公告)号：US20220254779A1

公开(公告)日：2022-08-11

申请号：US17723532

申请日：2022-04-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaeyeol Song ,  Seungha Oh ,  Rakhwan Kim ,  Minjung Park ,  Dongsoo Lee

IPC: H01L27/088 ,  H01L29/78 ,  H01L29/51 ,  H01L21/8234 ,  H01L29/66

Abstract: An integrated circuit (IC) device includes first and second fin-type semiconductor active regions on a substrate. A plurality of first semiconductor patterns are provided, which are stacked on the first fin-type active region as a first plurality of spaced-apart channel regions of a first FINFET. A plurality of second semiconductor patterns are provided, which are stacked on the second fin-type active region as a second plurality of spaced-apart channel regions of a second FINFET. A first gate structure is provided on the plurality of first semiconductor patterns. This first gate structure includes a first material region, which at least partially fills spaces between the first plurality of spaced-apart channel regions. A second gate structure is also provided on the plurality of second semiconductor patterns. The second gate structure includes second and third material regions, which at least partially fill spaces between the second plurality of spaced-apart channel regions.

公开(公告)号：US20200035678A1

公开(公告)日：2020-01-30

申请号：US16592330

申请日：2019-10-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongsoo LEE ,  Wonkeun Chung ,  Hoonjoo Na ,  Suyoung Bae ,  Jaeyeol Song ,  Jonghan Lee ,  HyungSuk Jung ,  Sangjin Hyun

IPC: H01L27/092 ,  H01L29/786 ,  H01L29/423 ,  H01L29/49 ,  H01L29/51 ,  H01L21/8238

Abstract: Disclosed are semiconductor devices and methods of manufacturing the same. The semiconductor device comprises a first transistor on a substrate, and a second transistor on the substrate. Each of the first and second transistors includes a plurality of semiconductor patterns vertically stacked on the substrate and vertically spaced apart from each other, and a gate dielectric pattern and a work function pattern filling a space between the semiconductor patterns. The work function pattern of the first transistor includes a first work function metal layer, the work function pattern of the second transistor includes the first work function metal layer and a second work function metal layer, the first work function metal layer of each of the first and second transistors has a work function greater than that of the second work function metal layer, and the first transistor has a threshold voltage less than that of the second transistor.

公开(公告)号：US20150028430A1

公开(公告)日：2015-01-29

申请号：US14317289

申请日：2014-06-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junehee Lee ,  Sangjin Hyun ,  Jaeyeol Song ,  Hye-Lan Lee

IPC: H01L29/49 ,  H01L29/78 ,  H01L29/66

CPC classification number: H01L29/4966 ,  H01L29/517 ,  H01L29/66545 ,  H01L29/66795 ,  H01L29/785

Abstract: Semiconductor devices and methods of manufacturing the same are disclosed. The semiconductor device a gate dielectric pattern on a substrate and a gate electrode on the gate dielectric pattern opposite the substrate. The gate electrode includes a first conductive pattern disposed on the gate dielectric pattern and including aluminum, and a second conductive pattern disposed between the first conductive pattern and the gate dielectric pattern. The second conductive pattern has an aluminum concentration that is higher than an aluminum concentration of the first conductive pattern. The second conductive pattern may be thicker than the first conductive pattern.

Abstract translation: 公开了半导体器件及其制造方法。 半导体器件在衬底上的栅极电介质图案和与衬底相对的栅极电介质图案上的栅极电极。 栅电极包括设置在栅极电介质图案上并包括铝的第一导电图案，以及设置在第一导电图案和栅极电介质图案之间的第二导电图案。 第二导电图案的铝浓度高于第一导电图案的铝浓度。 第二导电图案可以比第一导电图案更厚。

公开(公告)号：US20250063804A1

公开(公告)日：2025-02-20

申请号：US18668920

申请日：2024-05-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Suyoung BAE ,  Ohseong Kwon ,  Jaeyeol Song ,  Jeonghyuk Yim

IPC: H01L21/8238 ,  H01L21/308 ,  H01L27/092

Abstract: Provided is a semiconductor device and method of manufacturing same, the method including: preparing a substrate including first and second regions; forming a first and second channel patterns in the first and second regions, wherein the first and second channel patterns each include a plurality of semiconductor patterns vertically stacked on the substrate, an inner region, and an outer region; forming a high-k dielectric layer covering the first channel pattern and the second channel pattern; forming a first protective mask on the high-k dielectric layer in the first region and the second region; removing the first protective mask from the first outer region and the second outer region; and forming an additional mask layer surrounding the first channel pattern and the second channel pattern, wherein the additional mask layer does not have etch selectivity with the first protective mask.