KR101264113B1 - 변형된 채널을 갖는 cmos 소자 및 이의 제조방법 - Google Patents
변형된 채널을 갖는 cmos 소자 및 이의 제조방법 Download PDFInfo
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- KR101264113B1 KR101264113B1 KR1020070071276A KR20070071276A KR101264113B1 KR 101264113 B1 KR101264113 B1 KR 101264113B1 KR 1020070071276 A KR1020070071276 A KR 1020070071276A KR 20070071276 A KR20070071276 A KR 20070071276A KR 101264113 B1 KR101264113 B1 KR 101264113B1
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- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/017—Manufacturing their source or drain regions, e.g. silicided source or drain regions
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- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
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- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/027—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs
- H10D30/0275—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs forming single crystalline semiconductor source or drain regions resulting in recessed gates, e.g. forming raised source or drain regions
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- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/792—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions comprising applied insulating layers, e.g. stress liners
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/797—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions being in source or drain regions, e.g. SiGe source or drain
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- H10D62/82—Heterojunctions
- H10D62/822—Heterojunctions comprising only Group IV materials heterojunctions, e.g. Si/Ge heterojunctions
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- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0167—Manufacturing their channels
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- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/938—Lattice strain control or utilization
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Abstract
Description
Claims (24)
- 기판 내에 소자분리구조를 형성하여 NMOS 활성영역 및 PMOS 활성영역을 정의하는 단계;상기 NMOS 활성영역 및 상기 PMOS 활성영역 상에 NMOS 게이트 전극 및 PMOS 게이트 전극을 각각 형성하는 단계;상기 PMOS 게이트 전극의 양측에 노출된 PMOS 활성영역을 식각하여 한 쌍의 소오스/드레인 트렌치들을 형성하는 단계;상기 소오스/드레인 트렌치들 내에 한 쌍의 하부 실리콘-게르마늄 에피층들을 형성하는 단계;상기 NMOS 게이트 전극을 마스크로 하여 상기 NMOS 활성영역 내에 n형 불순물을 주입하는 단계;상기 NMOS 게이트 전극, 상기 PMOS 게이트 전극, 상기 불순물이 주입된 NMOS 활성영역 및 상기 하부 실리콘-게르마늄 에피층들 상에 제1 응력 절연막를 적층하는 단계;상기 하부 실리콘-게르마늄 에피층들 상에 상기 제1 응력 절연막이 적층된 기판을 활성화 어닐링하는 단계; 및상기 활성화 어닐링된 기판으로부터 상기 제1 응력 절연막을 제거하는 단계를 포함하는 것을 특징으로하는 CMOS 소자의 제조방법.
- 제1항에 있어서,상기 하부 실리콘-게르마늄 에피층들은 상기 PMOS 활성영역의 상부면에 비해 높은 상부면들을 갖는 것을 특징으로 하는 CMOS 소자의 제조방법.
- 제1항에 있어서,상기 제1 응력 절연막을 적층하기 전에, 상기 하부 실리콘-게르마늄 에피층들 상에 확산 저지 에피층들을 형성하는 단계를 더 포함하는 것을 특징으로 하는 CMOS 소자의 제조방법.
- 제3항에 있어서,상기 확산 저지 에피층들은 실리콘 에피층들 및 상기 실리콘 에피층들 상에 위치하고 상기 하부 실리콘-게르마늄 에피층들에 비해 게르마늄 함유량이 높은 상부 실리콘-게르마늄 에피층들을 구비하는 것을 특징으로 하는 CMOS 소자의 제조방법.
- 삭제
- 제3항에 있어서,상기 확산 저지 에피층들은 실리콘 에피층들인 것을 특징으로 하는 CMOS 소자의 제조방법.
- 제6항에 있어서,상기 제1 응력 절연막을 제거한 후, 상기 실리콘 에피층들의 상부 일부를 제거함과 동시에 상기 NMOS 게이트 전극의 양측에 노출된 NMOS 활성영역의 상부 일부를 리세스시키는 단계를 더 포함하는 것을 특징으로 하는 CMOS 소자의 제조방법.
- 제7항에 있어서,상기 NMOS 게이트 전극, 상기 PMOS 게이트 전극, 상기 리세스된 NMOS 활성영역 및 상기 하부 실리콘-게르마늄 에피층들 상에 인장 응력을 갖는 제2 응력 절연막을 형성하는 것을 특징으로 하는 CMOS 소자의 제조방법.
- 삭제
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- 제1항에 있어서,상기 하부 실리콘-게르마늄 에피층의 상부부분은 하부부분에 비해 게르마늄의 농도가 높은 것을 특징으로 하는 CMOS 소자의 제조방법.
- 기판 내에 형성된 소자분리구조에 의해 정의된 NMOS 활성영역 및 PMOS 활성영역;상기 NMOS 활성영역 및 상기 PMOS 활성영역 상에 NMOS 게이트 전극 및 PMOS 게이트 전극이 각각 위치하되, 상기 NMOS 게이트 전극 양측의 NMOS 활성영역은 리세스되고;상기 PMOS 게이트 전극 양측의 PMOS 활성영역 내에 위치하는 한 쌍의 실리콘 -게르마늄 에피층들; 및상기 NMOS 게이트 전극, 상기 리세스된 NMOS 활성영역, 상기 PMOS 게이트 전극 및 상기 실리콘-게르마늄 에피층들을 덮고 인장 응력을 갖는 응력 절연막을 포함하는 것을 특징으로 하는 CMOS 소자.
- 삭제
- 삭제
- 제18항에 있어서,상기 PMOS 활성영역 내에 위치하고, 상기 실리콘-게르마늄 에피층들을 둘러싸는 p형 소오스/드레인 확산 영역들을 더 포함하는 것을 특징으로 하는 CMOS 소자.
- 삭제
- 삭제
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KR1020070071276A KR101264113B1 (ko) | 2007-07-16 | 2007-07-16 | 변형된 채널을 갖는 cmos 소자 및 이의 제조방법 |
US12/138,502 US7981750B2 (en) | 2007-07-16 | 2008-06-13 | Methods of fabrication of channel-stressed semiconductor devices |
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Cited By (1)
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KR101865754B1 (ko) * | 2011-07-01 | 2018-06-12 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
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US20090020820A1 (en) | 2009-01-22 |
KR20090008003A (ko) | 2009-01-21 |
US7981750B2 (en) | 2011-07-19 |
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