KR100637829B1 - 반도체 장치 및 cmos 집적 회로 장치 - Google Patents
반도체 장치 및 cmos 집적 회로 장치 Download PDFInfo
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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Abstract
Description
Claims (10)
- 반도체 기판과,상기 반도체 기판 중의 채널 영역 상에 게이트 절연막을 개재하여 형성된 게이트 전극과,상기 반도체 기판 중, 상기 게이트 전극의 양측에 형성된 한 쌍의 확산 영역으로 이루어지는 반도체 장치에 있어서,상기 게이트 전극의 양측 벽면에는 측벽 절연막이 형성되어 있으며,상기 반도체 기판 상에는 상기 게이트 전극 및 상기 측벽 절연막을 피복하도록, 응력을 축적한 응력 축적 절연막이 형성되어 있으며,상기 응력 축적 절연막은 상기 게이트 전극 및 상기 측벽 절연막을 피복하는 채널 부분과, 그 외측의 외측 부분을 포함하고, 상기 응력 축적 절연막은 상기 채널 부분에서, 상기 외측 부분보다 막 두께가 증대하고 있는 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서,상기 응력 축적 절연막은 상기 외측 부분에서 제거되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항 또는 제2항에 있어서,상기 응력 축적 절연막 상에는 또다른 절연막 및 층간 절연막이 순차적으로 더 형성되어 있으며,상기 층간 절연막 내에는 상기 다른 절연막을 관통하여, 상기 한 쌍의 확산 영역에 컨택트하는 한 쌍의 컨택트 플러그가 각각 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 반도체 기판과,상기 반도체 기판 중의 채널 영역 상에 게이트 절연막을 개재하여 형성된 게이트 전극과,상기 반도체 기판 중, 상기 게이트 전극의 양측에 형성된 한 쌍의 확산 영역으로 이루어지는 반도체 장치에 있어서,상기 게이트 전극의 양측 벽면에는 측벽 절연막이 형성되어 있으며,상기 반도체 기판 상에는 상기 게이트 전극 및 상기 측벽 절연막을 피복하도록, 응력을 축적한 응력 축적 절연막이 형성되어 있으며,상기 응력 축적 절연막은 각각 동일 부호의 응력을 축적한 복수의 절연막의 적층으로 이루어지는 것을 특징으로 하는 반도체 장치.
- 소자 분리 영역에 의해 제1 소자 영역과 제2 소자 영역으로 구획된 반도체 기판과,상기 제1 소자 영역에 형성된 n 채널 MOS 트랜지스터와,상기 제2 소자 영역에 형성된 p 채널 MOS 트랜지스터를 포함하는 CMOS 집적 회로 장치로서,상기 n 채널 MOS 트랜지스터는상기 제1 소자 영역 내의 제1 채널 영역 상에 제1 게이트 절연막을 개재하여 형성된 제1 게이트 전극과,상기 제1 게이트 전극의 측벽면을 피복하는 한 쌍의 제1 측벽 절연막과,상기 반도체 기판 중, 상기 제1 게이트 전극의 양측에 형성된 한 쌍의 n형 확산 영역으로 이루어지는 제1 확산 영역쌍을 포함하고,상기 p 채널 MOS 트랜지스터는상기 제2 소자 영역 내의 제2 채널 영역 상에 제2 게이트 절연막을 개재하여 형성된 제2 게이트 전극과,상기 제2 게이트 전극의 측벽면을 피복하는 한 쌍의 제2 측벽 절연막과,상기 반도체 기판 중, 상기 제2 게이트 전극의 양측에 형성된 한 쌍의 p형 확산 영역으로 이루어지는 제2 확산 영역쌍을 포함하고,상기 제1 소자 영역에는 상기 제1 게이트 전극 및 상기 제1 측벽 절연막을 피복하도록, 인장 응력을 축적한 응력 축적 절연막이 형성되어 있으며,상기 응력 축적 절연막은 상기 제1 게이트 전극 및 상기 제1 측벽 절연막을 피복하는 채널 부분과, 그 외측의 외측 부분을 포함하고, 상기 응력 축적 절연막은 상기 채널 부분에서, 상기 외측 부분보다 막 두께가 증대하고 있는 것을 특징으로 하는 CMOS 집적 회로 장치.
- 제5항에 있어서,상기 응력 축적 절연막은 복수의 막 요소를 적층한 적층 구조를 갖는 것을 특징으로 하는 CMOS 집적 회로 장치.
- 제5항 또는 제6항에 있어서,상기 응력 축적 절연막은 또한 상기 제2 소자 영역에서, 상기 제2 게이트 전극 및 상기 제2 측벽 절연막을 피복하고, 상기 응력 축적 절연막은 상기 제2 소자 영역에서, 상기 제1 소자 영역 중, 상기 채널 부분에서 보다 작은 막 두께를 갖는 것을 특징으로 하는 CMOS 집적 회로 장치.
- 제5항 또는 제6항에 있어서,상기 응력 축적 절연막은 상기 외측 부분 및 상기 제2 소자 영역에서 제거되어 있는 것을 특징으로 하는 CMOS 집적 회로 장치.
- 제5항 또는 제6항에 있어서,상기 응력 축적 절연막 상에는 또다른 절연막이, 상기 제1 소자 영역에서는 상기 응력 축적 절연막의 형상에 정합한 형상이고, 또한 상기 제2 소자 영역에서는 상기 반도체 기판 표면의 형상, 및 상기 제2 게이트 전극 및 상기 제2 측벽 절연막으로 이루어지는 제2 게이트 구조의 형상에 정합한 형상으로 형성되어 있으며,상기 다른 절연막 상에는 층간 절연막이 형성되어 있으며,상기 층간 절연막 내에는 상기 다른 절연막을 관통하여, 상기 제1 확산 영역쌍을 구성하는 확산 영역에 콘택트하는 한 쌍의 컨택트 플러그가, 또한 상기 제2 확산 영역쌍을 구성하는 확산 영역에 컨택트하는 다른 한 쌍의 콘택트 플러그가 각각 형성되어 있는 것을 특징으로 하는 CMOS 집적 회로 장치.
- 제5항 또는 제6항에 있어서,상기 제2 소자 영역 중, 상기 한 쌍의 p형 확산 영역은 SiGe 혼정으로 이루어지는 것을 특징으로 하는 CMOS 집적 회로 장치.
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JPJP-P-2004-00202201 | 2004-07-08 | ||
JP2004202201A JP4444027B2 (ja) | 2004-07-08 | 2004-07-08 | nチャネルMOSトランジスタおよびCMOS集積回路装置 |
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JP3975099B2 (ja) * | 2002-03-26 | 2007-09-12 | 富士通株式会社 | 半導体装置の製造方法 |
US7348635B2 (en) * | 2004-12-10 | 2008-03-25 | International Business Machines Corporation | Device having enhanced stress state and related methods |
US20060160317A1 (en) * | 2005-01-18 | 2006-07-20 | International Business Machines Corporation | Structure and method to enhance stress in a channel of cmos devices using a thin gate |
JP4734317B2 (ja) * | 2005-02-17 | 2011-07-27 | 株式会社日立国際電気 | 基板処理方法および基板処理装置 |
US20070026599A1 (en) * | 2005-07-27 | 2007-02-01 | Advanced Micro Devices, Inc. | Methods for fabricating a stressed MOS device |
JP4630235B2 (ja) * | 2005-10-26 | 2011-02-09 | パナソニック株式会社 | 半導体装置及びその製造方法 |
CN1956223A (zh) | 2005-10-26 | 2007-05-02 | 松下电器产业株式会社 | 半导体装置及其制造方法 |
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TW200603383A (en) | 2006-01-16 |
JP2006024784A (ja) | 2006-01-26 |
US20060006420A1 (en) | 2006-01-12 |
TWI249844B (en) | 2006-02-21 |
CN1719610A (zh) | 2006-01-11 |
KR20060004595A (ko) | 2006-01-12 |
CN100386880C (zh) | 2008-05-07 |
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