KR20070013993A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR20070013993A KR20070013993A KR1020060011934A KR20060011934A KR20070013993A KR 20070013993 A KR20070013993 A KR 20070013993A KR 1020060011934 A KR1020060011934 A KR 1020060011934A KR 20060011934 A KR20060011934 A KR 20060011934A KR 20070013993 A KR20070013993 A KR 20070013993A
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Abstract
Description
Claims (10)
- 반도체 기판 내에 채널 영역을 끼워 형성된 소스/드레인 영역과, 상기 채널 영역 위에 게이트 절연막을 통하여 형성된 금속 실리사이드로 이루어지는 게이트 전극을 갖는 N형 MISFET과,상기 게이트 전극을 내포하도록 상기 게이트 전극의 측벽부로부터 윗면부에 걸쳐 형성되고, 1GPa∼3GPa의 인장 응력을 가지며, 상기 채널 영역에 인장 응력을 인가하는 제 1 절연막을 갖는 것을 특징으로 하는 반도체 장치.
- 반도체 기판 내에 채널 영역을 끼워 형성된 소스/드레인 영역과, 상기 채널 영역 위에 게이트 절연막을 통하여 형성된 금속 실리사이드로 이루어지는 게이트 전극을 갖는 P형 MISFET과,상기 게이트 전극을 내포하도록 상기 게이트 전극의 측벽부로부터 윗면부에 걸쳐 형성되고, 1GPa∼2GPa의 압축 응력을 가지며, 상기 채널 영역에 압축 응력을 인가하는 제 1 절연막을 갖는 것을 특징으로 하는 반도체 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 반도체 기판과 상기 제 1 절연막 사이에 형성되고, 상기 소스/드레인 영역을 덮는 제 2 절연막을 더 갖는 것을 특징으로 하는 반도체 장치.
- 제 3 항에 있어서,상기 게이트 전극보다도 게이트 길이가 긴 다른 게이트 전극을 갖는 다른 MISFET을 더 갖고,상기 제 2 절연막은 상기 다른 게이트 전극 위에 연장하여 형성되어 있으며,상기 다른 게이트 전극은 폴리실리콘 게이트 구조 또는 폴리사이드 게이트 구조를 갖는 것을 특징으로 하는 반도체 장치.
- 반도체 기판 내에 채널 영역을 끼워 형성된 소스/드레인 영역과, 상기 채널 영역 위에 게이트 절연막을 통하여 형성된 폴리실리콘으로 이루어지는 게이트 전극을 갖는 N형 MISFET을 형성하는 공정과,상기 N형 MISFET이 형성된 상기 반도체 기판 위에, 상기 게이트 전극 위의 막두께가 얇고, 상기 소스/드레인 영역 위의 막두께가 두꺼워지도록 제 1 절연막을 형성하는 공정과,상기 소스/드레인 영역 위의 상기 제 1 절연막이 잔존하고, 상기 게이트 전극이 노출하도록 상기 제 1 절연막을 에칭하는 공정과,상기 게이트 전극을 구성하는 폴리실리콘을 금속 실리사이드로 치환하는 공정과,상기 금속 실리사이드로 치환된 상기 게이트 전극을 내포하도록, 상기 게이트 전극의 측벽부로부터 윗면부에 걸쳐 1GPa∼3GPa의 인장 응력을 갖는 제 2 절연막을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 반도체 기판 내에 채널 영역을 끼워 형성된 소스/드레인 영역과, 상기 채널 영역 위에 게이트 절연막을 통하여 형성된 폴리실리콘으로 이루어지는 게이트 전극을 갖는 P형 MISFET을 형성하는 공정과,상기 P형 MISFET이 형성된 상기 반도체 기판 위에, 상기 게이트 전극 위의 막두께가 얇고, 상기 소스/드레인 영역 위의 막두께가 두꺼워지도록 제 1 절연막을 형성하는 공정과,상기 소스/드레인 영역 위의 상기 제 1 절연막이 잔존하고, 상기 게이트 전극이 노출하도록 상기 제 1 절연막을 에칭하는 공정과,상기 게이트 전극을 구성하는 폴리실리콘을 금속 실리사이드로 치환하는 공정과,상기 금속 실리사이드로 치환된 상기 게이트 전극을 내포하도록, 상기 게이트 전극의 측벽부로부터 윗면부에 걸쳐 1GPa∼2GPa의 압축 응력을 갖는 제 2 절연막을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 5 항 또는 제 6 항에 있어서,상기 MISFET을 형성하는 공정은, 상기 반도체 기판 위에 상기 게이트 절연막 및 폴리실리콘막을 형성하는 공정과, 상기 폴리실리콘막의 표면을 연마에 의해 평탄화하는 공정과, 상기 폴리실리콘막을 패터닝하여 상기 게이트 전극을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 5 항 또는 제 6 항에 있어서,상기 MISFET을 형성하는 공정에서는, 상기 반도체 기판 위에 상기 게이트 전극보다도 게이트 길이가 긴 다른 게이트 전극을 갖는 다른 MISFET을 더 형성하고,상기 제 1 절연막을 형성하는 공정에서는, 상기 게이트 전극 위의 막두께가 얇고, 상기 소스/드레인 영역 위 및 상기 다른 게이트 전극 위의 막두께가 두꺼워지도록 상기 제 1 절연막을 형성하고,상기 제 1 절연막을 에칭하는 공정에서는, 상기 소스/드레인 영역 위 및 상기 다른 게이트 전극 위의 상기 제 1 절연막이 잔존하고, 상기 게이트 전극이 노출하도록 상기 제 1 절연막을 에칭하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 5 항 또는 제 6 항에 있어서,상기 제 1 절연막을 형성하는 공정에서는, 고밀도 플라즈마 CVD법 또는 스핀 코트법에 의해, 산화 규소를 주성분으로 하는 상기 제 1 절연막을 형성하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 5 항 또는 제 6 항에 있어서,상기 제 1 절연막을 에칭하는 공정에서는, 마스크를 사용하지 않고 상기 제 1 절연막을 에칭하는 것을 특징으로 하는 반도체 장치의 제조 방법.
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US7732878B2 (en) * | 2006-10-18 | 2010-06-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | MOS devices with continuous contact etch stop layer |
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JP2009026955A (ja) * | 2007-07-19 | 2009-02-05 | Panasonic Corp | 半導体装置及びその製造方法 |
KR20090012573A (ko) * | 2007-07-30 | 2009-02-04 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
US8361311B2 (en) | 2010-07-09 | 2013-01-29 | Exxonmobil Chemical Patents Inc. | Integrated vacuum resid to chemicals conversion process |
US8399729B2 (en) | 2010-07-09 | 2013-03-19 | Exxonmobil Chemical Patents Inc. | Integrated process for steam cracking |
SG186124A1 (en) | 2010-07-09 | 2013-01-30 | Exxonmobil Chem Patents Inc | Integrated process for steam cracking |
CN103003394B (zh) | 2010-07-09 | 2015-04-29 | 埃克森美孚化学专利公司 | 集成的减压渣油至化学品的转化方法 |
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US5194749A (en) * | 1987-11-30 | 1993-03-16 | Hitachi, Ltd. | Semiconductor integrated circuit device |
JP2621805B2 (ja) | 1994-07-30 | 1997-06-18 | 日本電気株式会社 | 半導体装置の製造方法 |
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US6562718B1 (en) * | 2000-12-06 | 2003-05-13 | Advanced Micro Devices, Inc. | Process for forming fully silicided gates |
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US20050156208A1 (en) * | 2003-09-30 | 2005-07-21 | Taiwan Semiconductor Manufacturing Company, Ltd. | Device having multiple silicide types and a method for its fabrication |
US20060267106A1 (en) * | 2005-05-26 | 2006-11-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Novel semiconductor device with improved channel strain effect |
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