KR100704784B1 - 적층된 반도체 장치 및 그 제조방법 - Google Patents
적층된 반도체 장치 및 그 제조방법 Download PDFInfo
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- KR100704784B1 KR100704784B1 KR1020050018781A KR20050018781A KR100704784B1 KR 100704784 B1 KR100704784 B1 KR 100704784B1 KR 1020050018781 A KR1020050018781 A KR 1020050018781A KR 20050018781 A KR20050018781 A KR 20050018781A KR 100704784 B1 KR100704784 B1 KR 100704784B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D88/00—Three-dimensional [3D] integrated devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
- H10D84/85—Complementary IGFETs, e.g. CMOS
- H10D84/856—Complementary IGFETs, e.g. CMOS the complementary IGFETs having different architectures than each other, e.g. high-voltage and low-voltage CMOS
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D88/00—Three-dimensional [3D] integrated devices
- H10D88/01—Manufacture or treatment
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- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (11)
- 반도체 기판 상에 형성된, 소오스 영역과 드레인 영역을 포함하는, 하부 트랜지스터;상기 하부 트랜지스터를 포함하여 상기 반도체 기판 전면을 덮는 하부 층간절연막;상기 하부 층간절연막 상에 형성된, 소오스 영역과 드레인 영역을 포함하는, 상부 트랜지스터;상기 상부 트랜지스터를 포함하여 상기 하부 층간절연막 전면을 덮는 상부 층간절연막;상기 상부 트랜지스터의 소오스 영역 또는 드레인 영역과 연결되며, 상기 하부 트랜지스터의 소오스 영역 또는 드레인 영역으로 연결된 콘택플러그; 그리고상기 상부 층간절연막을 관통하여, 상기 상부 트랜지스터의 소오스 영역 또는 드레인 영역의 상부면 및 상기 콘택플러그의 측벽과 연결되는 확장층을 포함하는 적층된 반도체 장치.
- 삭제
- 제 1항에 있어서,상기 상부 트랜지스터의 소오스 영역 또는 드레인 영역의 측면과 상기 콘택플러그 사이, 및 상기 확장층과 상기 콘택플러그 사이에 개재된 실리사이드층을 포함하는 적층된 반도체 장치.
- 제 1항에 있어서,상기 콘택플러그 상에 형성된 도전 라인을 더 포함하되,상기 도전 라인은 비트 라인으로 사용되는 적층된 반도체 장치.
- 반도체 기판 상에 하부 트랜지스터를 형성하는 단계;상기 하부 트랜지스터를 포함하여 상기 반도체 기판 전면에 하부 층간절연막을 형성하는 단계;상기 하부 층간절연막 상에 상부 트랜지스터를 형성하는 단계;상기 상부 트랜지스터를 포함하여 상기 하부 층간절연막 전면에 상부 층간절연막을 형성하는 단계;상기 상부 층간절연막을 관통하여 상기 상부 트랜지스터의 소오스 영역 또는 드레인 영역과 연결되는 제 1 콘택플러그를 형성하는 단계; 그리고상기 제 1 콘택플러그와 측벽이 접하며, 상기 상부 층간절연막 및 하부 층간절연막을 관통하여 상기 하부 트랜지스터의 소오스 영역 또는 드레인 영역과 연결되는 제 2 콘택플러그를 형성하는 단계를 포함하는 적층된 반도체 장치 제조방법.
- 제 5항에 있어서,상기 하부 층간절연막 상에 상부 트랜지스터를 형성하는 단계는상기 하부 층간절연막을 패터닝하여 상기 반도체 기판의 일부를 노출시키는 성장 콘택홀을 형성하는 단계;상기 성장 콘택홀 내에 상기 노출된 반도체 기판을 따라 에피택시얼층을 성장시키는 단계;상기 하부 층간절연막 상에 비정질의 실리콘층을 형성하는 단계;상기 비정질의 실리콘층에 열처리 공정을 진행하여 상기 에피택시얼층과 동일한 결정 구조를 갖는 바디 패턴을 형성하는 단계; 및상기 바디 패턴 상에 게이트전극을 형성하는 단계를 포함하는 적층된 반도체 장치 제조방법.
- 제 5항에 있어서,상기 제 1 콘택플러그는 도핑된 폴리실리콘층으로 형성하는 적층된 반도체 장치 제조방법.
- 제 5항에 있어서,상기 제 1 콘택플러그는 상기 상부 트랜지스터의 소오스 영역 또는 드레인 영역으로부터 성장된 에피택시얼층인 적층된 반도체 장치 제조방법.
- 제 5항에 있어서,상기 제 2 콘택플러그를 형성하는 단계는상기 상부 층간절연막 및 하부 층간절연막을 패터닝하여 상기 제 1 콘택플러그와 측벽이 접하며 상기 하부 트랜지스터의 소오스 영역 또는 드레인 영역의 일부를 노출시키는 콘택홀을 형성하는 단계;상기 제 1 콘택플러그와 접하는 상기 콘택홀의 측벽 및 상기 노출된 상기 하부 트랜지스터의 소오스 영역 또는 드레인 영역에 실리사이드층을 형성하는 단계; 및상기 콘택홀에 금속물질을 채워넣어 상기 제 2 콘택플러그를 형성하는 단계를 포함하는 적층된 반도체 장치 제조방법.
- 반도체 기판 상에 하부 트랜지스터를 형성하는 단계;상기 하부 트랜지스터를 포함하여 상기 반도체 기판 전면에 하부 층간절연막을 형성하는 단계;상기 하부 층간절연막 상에 상부 트랜지스터를 형성하는 단계;상기 상부 트랜지스터를 포함하여 상기 하부 층간절연막 전면에 상부 층간절연막을 형성하는 단계;상기 상부 층간절연막, 상기 상부 트랜지스터의 소오스 영역 또는 드레인 영역 및 하부 층간절연막을 관통하여 상기 하부 트랜지스터의 소오스 영역 또는 드레 인 영역의 일부를 노출시키는 연결 콘택홀을 형성하는 단계;상기 연결 콘택홀의 측벽에 스페이서 구조를 형성하는 단계;상기 스페이서 구조를 실리사이드층으로 변화시키는 단계; 그리고상기 연결 콘택홀 내에 연결 콘택플러그를 형성하는 단계를 포함하는 적층된 반도체 장치 제조방법.
- 제 10항에 있어서,상기 연결 콘택홀의 측벽에 형성된 스페이서 구조는 폴리실리콘층으로 형성하는 적층된 반도체 장치 제조방법.
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KR1020050018781A KR100704784B1 (ko) | 2005-03-07 | 2005-03-07 | 적층된 반도체 장치 및 그 제조방법 |
US11/368,418 US7381989B2 (en) | 2005-03-07 | 2006-03-07 | Semiconductor device including upper and lower transistors and interconnection between upper and lower transistors |
US12/108,591 US7687331B2 (en) | 2005-03-07 | 2008-04-24 | Stacked semiconductor device and method of fabrication |
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KR1020050018781A KR100704784B1 (ko) | 2005-03-07 | 2005-03-07 | 적층된 반도체 장치 및 그 제조방법 |
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KR20060097892A KR20060097892A (ko) | 2006-09-18 |
KR100704784B1 true KR100704784B1 (ko) | 2007-04-10 |
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US7381989B2 (en) | 2008-06-03 |
US7687331B2 (en) | 2010-03-30 |
KR20060097892A (ko) | 2006-09-18 |
US20060197117A1 (en) | 2006-09-07 |
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