KR101812593B1 - 트랜지스터를 포함하는 반도체 장치의 제조 방법 - Google Patents
트랜지스터를 포함하는 반도체 장치의 제조 방법 Download PDFInfo
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- KR101812593B1 KR101812593B1 KR1020110134462A KR20110134462A KR101812593B1 KR 101812593 B1 KR101812593 B1 KR 101812593B1 KR 1020110134462 A KR1020110134462 A KR 1020110134462A KR 20110134462 A KR20110134462 A KR 20110134462A KR 101812593 B1 KR101812593 B1 KR 101812593B1
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- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
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Abstract
Description
도 8 내지 도 12는 예시적인 실시예들에 따른 반도체 장치의 제조 방법을 나타내는 단면도들이다.
도 13 내지 도 17은 예시적인 실시예들에 따른 반도체 장치의 제조 방법을 나타내는 단면도들이다.
도 18 내지 도 23은 예시적인 실시예들에 따른 반도체 장치의 제조 방법을 나타내는 단면도들이다.
도 24 내지 도 28은 예시적인 실시예들에 따른 반도체 장치의 제조 방법을 나타내는 단면도들이다.
도 29는 예시적인 실시예들에 따른 반도체 장치의 제조 방법에 따라 구현 가능한 게이트 구조물의 평면 배치를 나타내는 레이아웃이다.
도 30 내지 도 34는 도 29에 도시된 반도체 장치의 제조 방법을 나타내는 단면도들이다.
110: 게이트 절연막 패턴 120: 버퍼막 패턴
130: 예비 게이트 전극 135: 제1 트렌치
140: 예비 게이트 구조물 150: 스페이서
160: 제1 층간 절연막 170: 희생층
175: 제2 트렌치 180: 게이트 전극
190: 게이트 구조물
Claims (10)
- 기판 상에 게이트 절연막 패턴을 형성하는 단계;
상기 게이트 절연막 패턴 상에 불순물이 도핑된 희생층을 형성하는 단계;
상기 희생층에 도핑된 불순물이 상기 게이트 절연막 패턴 내로 확산되도록 어닐링 공정을 수행하는 단계;
상기 희생층을 제거하는 단계; 및
상기 게이트 절연막 패턴 상에 게이트 전극을 형성하는 단계를 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서, 상기 불순물은 보론 또는 인인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 희생층은 폴리실리콘층을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 어닐링 공정은 900℃ 내지 1100℃의 온도에서 수행되는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 불순물이 도핑된 희생층을 형성하는 단계는, 불순물들을 인시츄 도핑하며 폴리실리콘층을 형성하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제5항에 있어서, 상기 불순물이 도핑된 희생층은 화학 기상 증착 공정 또는 원자층 증착 공정에 의해 형성되는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 불순물이 도핑된 희생층을 형성하는 단계는,
상기 게이트 절연막 패턴 상에 불순물이 도핑되지 않은 폴리실리콘층을 형성한 후, 이온 주입 공정을 수행하여 상기 폴리실리콘층 상에 불순물을 주입하는 것을 특징으로 하는 반도체 장치의 제조 방법. - 제7항에 있어서, 상기 이온 주입 공정은 1014 내지 1017 atoms/cm2의 도즈 범위를 사용하여 수행되는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 불순물이 도핑된 희생층을 형성하는 단계는,
상기 게이트 절연막 패턴 상에 버퍼막 패턴을 형성하는 단계; 및
상기 버퍼막 패턴 상에 상기 불순물이 도핑된 희생층을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법. - 제9항에 있어서, 상기 버퍼막 패턴은 티타늄, 티타늄 질화물, 탄탈륨, 탄탈륨 질화물 또는 루테늄을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
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KR1020110134462A KR101812593B1 (ko) | 2011-12-14 | 2011-12-14 | 트랜지스터를 포함하는 반도체 장치의 제조 방법 |
US13/613,868 US8785267B2 (en) | 2011-12-14 | 2012-09-13 | Methods of manufacturing semiconductor devices including transistors |
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KR1020110134462A KR101812593B1 (ko) | 2011-12-14 | 2011-12-14 | 트랜지스터를 포함하는 반도체 장치의 제조 방법 |
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KR20130067666A KR20130067666A (ko) | 2013-06-25 |
KR101812593B1 true KR101812593B1 (ko) | 2017-12-28 |
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Families Citing this family (4)
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KR102443695B1 (ko) | 2015-08-25 | 2022-09-15 | 삼성전자주식회사 | 반도체 소자의 제조 방법 |
CN107180793B (zh) * | 2017-06-14 | 2020-04-07 | 中国科学院微电子研究所 | 一种调节高k金属栅cmos器件阈值的方法 |
US20180366553A1 (en) * | 2017-06-15 | 2018-12-20 | Globalfoundries Inc. | Methods of forming an air gap adjacent a gate structure of a finfet device and the resulting devices |
US11158716B2 (en) | 2019-10-25 | 2021-10-26 | Samsung Electronics Co., Ltd. | Semiconductor device and method for manufacturing the same |
Citations (2)
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US20060046448A1 (en) | 2004-08-25 | 2006-03-02 | Barns Chris E | Facilitating removal of sacrificial layers via implantation to form replacement metal gates |
US20110193134A1 (en) | 2010-02-10 | 2011-08-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Step doping in extensions of iii-v family semiconductor devices |
Family Cites Families (8)
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US20080076216A1 (en) | 2006-09-25 | 2008-03-27 | Sangwoo Pae | Method to fabricate high-k/metal gate transistors using a double capping layer process |
KR100910477B1 (ko) | 2007-08-20 | 2009-08-04 | 주식회사 동부하이텍 | 반도체 소자 제조방법 |
KR20090044550A (ko) | 2007-10-31 | 2009-05-07 | 주식회사 하이닉스반도체 | 반도체 소자 형성 방법 |
KR101374323B1 (ko) | 2008-01-07 | 2014-03-17 | 삼성전자주식회사 | 반도체 소자 및 그 제조방법 |
KR20100104900A (ko) | 2009-03-19 | 2010-09-29 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조방법 |
US8119473B2 (en) | 2009-12-31 | 2012-02-21 | Taiwan Semiconductor Manufacturing Company, Ltd. | High temperature anneal for aluminum surface protection |
US8536656B2 (en) * | 2011-01-10 | 2013-09-17 | International Business Machines Corporation | Self-aligned contacts for high k/metal gate process flow |
US8815690B2 (en) * | 2011-03-01 | 2014-08-26 | Tsinghua University | Tunneling device and method for forming the same |
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- 2011-12-14 KR KR1020110134462A patent/KR101812593B1/ko active Active
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060046448A1 (en) | 2004-08-25 | 2006-03-02 | Barns Chris E | Facilitating removal of sacrificial layers via implantation to form replacement metal gates |
US20110193134A1 (en) | 2010-02-10 | 2011-08-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Step doping in extensions of iii-v family semiconductor devices |
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KR20130067666A (ko) | 2013-06-25 |
US20130157428A1 (en) | 2013-06-20 |
US8785267B2 (en) | 2014-07-22 |
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