KR102107537B1 - 반도체소자 및 그 제조방법 - Google Patents
반도체소자 및 그 제조방법 Download PDFInfo
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Abstract
Description
도 2는 도 1의 반도체소자의 주요 구성요소의 평면 구조를 보여주는 평면도이다.
도 3은 본 발명의 다른 실시예에 따른 반도체소자를 보여주는 단면도이다.
도 4는 본 발명의 다른 실시예에 따른 반도체소자를 보여주는 단면도이다.
도 5는 본 발명의 다른 실시예에 따른 반도체소자를 보여주는 단면도이다.
도 6은 본 발명의 다른 실시예에 따른 반도체소자를 보여주는 단면도이다.
도 7a 내지 도 7h는 본 발명의 실시예에 따른 반도체소자의 제조방법을 보여주는 단면도이다.
도 8a 내지 도 8h는 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 보여주는 단면도이다.
도 9a 내지 도 9i는 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 보여주는 단면도이다.
도 10a 내지 도 10i는 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 보여주는 단면도이다.
도 11a 내지 도 11e는 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도이다.
도 12a 내지 도 12e는 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도이다.
도 13a 내지 도 13e는 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도이다.
도 14는 비교예에 따른 반도체소자를 보여주는 단면도이다.
C10, C12 : 반도체 D10∼D13 : 드레인
DP10 : 드레인 패드 d10 : 도핑영역
G10 : 게이트 GI10 : 게이트절연층
GP10 : 그래핀층 H10, H20 : 콘택홀
L10 : 분리막 N1 : 절연층
P10 : 보호층 PL10, PL20 : 플러그
S1, S2 : 실리콘 S10∼S13 : 소오스
SP10 : 소오스 패드 SUB10, SUB12 : 기판
Claims (20)
- 서로 이격된 소오스 및 드레인;
상기 소오스와 상기 드레인 사이에 구비된 것으로, 상기 소오스와 이격되고 상기 드레인과 접촉된 반도체요소;
상기 소오스와 상기 반도체요소 상에 상기 소오스와 상기 반도체요소를 연결하도록 구비되고, 상기 드레인과 이격된 그래핀층;
상기 그래핀층 상에 구비된 게이트절연층;
상기 반도체요소 위쪽의 상기 게이트절연층 상에 구비된 게이트; 및
상기 소오스를 둘러싸는 분리막;을 포함하되,
상기 분리막은 상기 소오스의 측면을 따라 연장되어, 상기 소오스와 상기 반도체요소 사이를 가로지르는 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인의 표면은 상기 반도체요소의 표면과 동일한 높이를 갖는 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인의 표면과 상기 반도체요소의 표면 간의 높이 차이는 5 nm 이내인 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인의 표면과 상기 분리막의 표면 간의 높이 차이는 5 nm 이내인 반도체소자. - 제 1 항에 있어서,
상기 그래핀층은 평탄한 구조를 갖는 반도체소자. - 제 1 항에 있어서,
상기 반도체요소는 n형 반도체 또는 p형 반도체를 포함하는 반도체소자. - 제 1 항에 있어서,
상기 반도체요소는 실리콘(Si), 게르마늄(Ge), 실리콘 게르마늄(SiGe) 및 스트레인드 실리콘(strained Si) 중 적어도 하나를 포함하는 반도체소자. - 제 1 항에 있어서,
상기 소오스, 드레인, 게이트절연층 및 게이트를 덮는 보호층; 및
상기 보호층 상에 구비된 것으로, 상기 소오스 및 드레인과 각각 전기적으로 연결된 소오스 패드 및 드레인 패드;를 더 포함하는 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인은 불순물 도핑 영역을 포함하는 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인은 금속 실리사이드(metal silicide)를 포함하는 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인은 금속 또는 금속화합물을 포함하는 반도체소자. - 제 1 항에 있어서,
상기 소오스 및 드레인은 실리콘 기판 또는 SOI(silicon-on-insulator) 기판에 형성된 반도체소자. - 제 1 항에 있어서,
상기 반도체소자는 배리스터(barristor) 소자 구조를 갖는 반도체소자. - 소오스, 드레인 및 상기 소오스 및 상기 드레인 사이에 상기 소오스와 이격되고 상기 드레인과 접촉된 반도체요소를 포함하는 소자영역을 마련하는 단계;
상기 소오스와 상기 반도체요소 상에 상기 드레인과 이격된 그래핀층을 형성하는 단계;
상기 그래핀층 상에 게이트절연층을 형성하는 단계; 및
상기 반도체요소 위쪽의 상기 게이트절연층 상에 게이트를 형성하는 단계;를 포함하되,
상기 소자 영역을 마련하는 단계는:
기판 내에 상기 소오스, 상기 드레인, 및 상기 반도체요소를 위한 영역들을 정의하는 분리막을 형성하는 단계;를 포함하되,
상기 분리막은 상기 소오스의 측면을 따라 연장되어, 상기 소오스를 둘러싸고, 상기 소오스와 상기 반도체요소 사이를 가로지르는 반도체소자의 제조방법. - 제 14 항에 있어서, 상기 소자영역을 마련하는 단계는,
상기 소오스, 드레인 및 반도체요소를 위한 영역들 및 상기 분리막의 표면에 대한 평탄화 공정을 수행하는 단계;를 포함하는 반도체소자의 제조방법. - 제 15 항에 있어서,
상기 평탄화 공정은 CMP(chemical mechanical polishing) 공정을 포함하고,
상기 CMP 공정에서 선택적으로 식각정지층(etch stop layer)을 사용하는 반도체소자의 제조방법. - 제 14 항에 있어서,
상기 소자영역은 실리콘 기판 또는 SOI(silicon-on-insulator) 기판에 형성하는 반도체소자의 제조방법. - 제 14 항에 있어서,
상기 소오스 및 드레인은 불순물 도핑 영역을 포함하는 반도체소자의 제조방법. - 제 14 항에 있어서,
상기 소오스 및 드레인은 금속 실리사이드(metal silicide)를 포함하는 반도체소자의 제조방법. - 제 14 항에 있어서,
상기 소오스 및 드레인은 금속 또는 금속화합물을 포함하는 반도체소자의 제조방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130117592A KR102107537B1 (ko) | 2013-10-01 | 2013-10-01 | 반도체소자 및 그 제조방법 |
| US15/026,681 US9722068B2 (en) | 2013-10-01 | 2014-09-16 | Semiconductor devices and methods of manufacturing the same |
| PCT/KR2014/008591 WO2015050328A1 (en) | 2013-10-01 | 2014-09-16 | Semiconductor devices and methods of manufacturing the same |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020130117592A KR102107537B1 (ko) | 2013-10-01 | 2013-10-01 | 반도체소자 및 그 제조방법 |
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| KR20150039052A KR20150039052A (ko) | 2015-04-09 |
| KR102107537B1 true KR102107537B1 (ko) | 2020-05-07 |
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| KR (1) | KR102107537B1 (ko) |
| WO (1) | WO2015050328A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12389630B2 (en) | 2021-09-10 | 2025-08-12 | Samsung Electronics Co., Ltd. | Vertical channel transistor including a graphene insertion layer beweeen a source/drain electrode and a channel pattern |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102778068B1 (ko) | 2020-09-14 | 2025-03-10 | 삼성전자주식회사 | 배선 구조물, 그 형성 방법, 및 상기 배선 구조물을 포함하는 반도체 장치 |
| US11545558B2 (en) * | 2020-09-28 | 2023-01-03 | Paragraf Limited | Method of manufacturing a transistor |
| GB2619255B (en) | 2022-02-16 | 2025-07-30 | Paragraf Ltd | A transistor and a method for the manufacture of a transistor |
| US12336264B2 (en) * | 2022-06-21 | 2025-06-17 | Nanya Technology Corporation | Semiconductor device having gate electrodes with dopant of different conductive types |
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| KR101443215B1 (ko) * | 2007-06-13 | 2014-09-24 | 삼성전자주식회사 | 앰비폴라 물질을 이용한 전계효과 트랜지스터 및 논리회로 |
| KR101156620B1 (ko) | 2009-04-08 | 2012-06-14 | 한국전자통신연구원 | 그라핀 채널층을 가지는 전계 효과 트랜지스터 |
| US8673703B2 (en) | 2009-11-17 | 2014-03-18 | International Business Machines Corporation | Fabrication of graphene nanoelectronic devices on SOI structures |
| US9911857B2 (en) * | 2010-10-29 | 2018-03-06 | Cbrite Inc. | Thin film transistor with low trap-density material abutting a metal oxide active layer and the gate dielectric |
| CN102468303B (zh) * | 2010-11-10 | 2015-05-13 | 中国科学院微电子研究所 | 半导体存储单元、器件及其制备方法 |
| KR101224866B1 (ko) * | 2011-04-12 | 2013-01-22 | 한국과학기술원 | 물리 공극을 갖는 그래핀 소자 |
| US8455365B2 (en) | 2011-05-19 | 2013-06-04 | Dechao Guo | Self-aligned carbon electronics with embedded gate electrode |
| US8785911B2 (en) | 2011-06-23 | 2014-07-22 | International Business Machines Corporation | Graphene or carbon nanotube devices with localized bottom gates and gate dielectric |
| KR101851565B1 (ko) | 2011-08-17 | 2018-04-25 | 삼성전자주식회사 | 트랜지스터와 그 제조방법 및 트랜지스터를 포함하는 전자소자 |
| KR101920712B1 (ko) | 2011-08-26 | 2018-11-22 | 삼성전자주식회사 | 튜너블 배리어를 구비한 그래핀 스위칭 소자 |
| KR101830782B1 (ko) * | 2011-09-22 | 2018-04-05 | 삼성전자주식회사 | 그래핀을 포함하는 전극 구조체 및 전계효과 트랜지스터 |
| US8471329B2 (en) * | 2011-11-16 | 2013-06-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tunnel FET and methods for forming the same |
| EP2768039B1 (en) * | 2013-02-15 | 2021-01-13 | Samsung Electronics Co., Ltd. | Graphene device and electronic apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12389630B2 (en) | 2021-09-10 | 2025-08-12 | Samsung Electronics Co., Ltd. | Vertical channel transistor including a graphene insertion layer beweeen a source/drain electrode and a channel pattern |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160247906A1 (en) | 2016-08-25 |
| KR20150039052A (ko) | 2015-04-09 |
| US9722068B2 (en) | 2017-08-01 |
| WO2015050328A1 (en) | 2015-04-09 |
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