KR101033700B1 - 동일 기판 상에 도전 타입이 같은 로우 및 하이 퍼포먼스장치를 갖는 반도체 장치 구조 - Google Patents
동일 기판 상에 도전 타입이 같은 로우 및 하이 퍼포먼스장치를 갖는 반도체 장치 구조 Download PDFInfo
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 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
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Abstract
Description
Claims (14)
- 반도체 장치 구조의 제조 방법으로서,기판 위에, 제1 스페이서들을 갖는 제1 게이트, 제2 스페이서들을 갖는 제2 게이트, 상기 제1 게이트 및 상기 제2 게이트에 인접한 동일한 도전 타입의 각각의 소스 및 드레인 영역들, 상기 제1 게이트 및 상기 제2 게이트의 중간에 배치된 분리 영역, 상기 제1 게이트, 상기 제2 게이트 및 각각의 소스 및 드레인 영역들 위의 실리사이드를 형성하는 단계, 및상기 형성 단계 후에, 상기 제1 스페이서들 위에만 추가 스페이서들(additional spacers)을 형성하여 중간 구조(intermediate structure)를 생성하고, 상기 중간 구조 전체의 위에 스트레스 층을 배치하는 단계를 포함하고,상기 배치 단계는,제1 스페이서들을 갖는 상기 실리사이드 처리된 제1 게이트, 제2 스페이서들을 갖는 상기 실리사이드 처리된 제2 게이트, 실리사이드 처리된 각각의 소스 및 드레인 영역들, 및 상기 분리 영역 위에, 제1 유전층을 배치하는 단계, 및제1 스페이서들을 갖는 상기 실리사이드 처리된 제1 게이트, 상기 제1 게이트에 인접한 상기 실리사이드 처리된 각각의 소스 및 드레인 영역들, 및 상기 분리 영역의 일부분 위에 배치된 상기 제1 유전층을 덮고, 상기 덮는 단계에 의해 덮이지 않은 상기 구조의 일부로부터 상기 제1 유전층을 제거하여 상기 제1 게이트 위의 상기 실리사이드가 상기 제1 유전층의 일부보다 낮게 되도록 하고, 상기 중간 구조의 전체의 위에 스트레스 층을 배치하는 단계를 더 포함하는, 반도체 장치 구조의 제조 방법.
- 제1항에 있어서,상기 제거 단계는,상기 구조의 일부로부터, 상기 제1 유전층을 이방성 에칭하는 단계를 포함하는, 반도체 장치 구조의 제조 방법.
- 제1항에 있어서,스페이서들을 갖는 상기 실리사이드 처리된 제1 게이트, 상기 제1 게이트에 인접한 상기 실리사이드 처리된 각각의 소스 및 드레인 영역들, 및 상기 분리 영역의 일부 위에 배치된 상기 제1 유전층을 벗기는(uncover) 단계,제2 스페이서들을 갖는 상기 실리사이드 처리된 제2 게이트, 상기 제2 게이트에 인접한 상기 실리사이드 처리된 각각의 소스 및 드레인 영역들, 및 상기 분리 영역의 또 다른 일부 위에 배치된 제2 유전층을 덮는 단계, 및이후에, 상기 제1 스페이서들 위에 배치된 일부를 제외하고 상기 제1 유전층을 제거하여 상기 추가 스페이서들을 형성하는 단계를 더 포함하는, 반도체 장치 구조의 제조 방법.
- 제1항에 있어서,상기 제1 유전층 배치 단계는,실리콘 질화막(silicon nitride) 및 실리콘 탄화막(silicon carbide)으로 본질적으로 이루어지는 그룹에서 선택된 하나의 스트레스 층을 피착하는 단계를 더 포함하는, 반도체 장치 구조의 제조 방법.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서,상기 제1 유전층 배치 단계는,실리콘 질화막, 실리콘 탄소막 및 실리콘 이산화막(silicon dioxide)으로 본질적으로 이루어지는 그룹에서 선택된 상기 제1 유전층을 피착하는 단계를 더 포함하는, 반도체 장치 구조의 제조 방법.
- 제1항에 있어서,상기 추가 스페이서들은 상기 제1 게이트에 인접한 상기 소스 및 드레인 영역 위에 형성된 상기 실리사이드의 일부 위에 놓이는(overlie), 반도체 장치 구조의 제조 방법.
- 삭제
- 제1항에 있어서,상기 제1 게이트, 상기 제1 게이트에 인접한 상기 소스 및 드레인 영역들, 및 상기 제1 게이트에 인접한 상기 소스 및 드레인 영역들 사이의 상기 제1 게이트 아래에 놓인 채널 영역은 트랜지스터를 정의하고,상기 트랜지스터의 상기 채널 영역에 대해 상기 스트레스 층에 의해 적용되는 스트레스의 양은 상기 추가 스페이서들의 두께와 관련되어 감소되는, 반도체 장치 구조의 제조 방법.
- 제11항에 있어서,상기 트랜지스터는 제1 트랜지스터이고,상기 제2 게이트, 상기 제2 게이트에 인접한 상기 소스 및 드레인 영역들, 및 상기 제2 게이트에 인접한 상기 소스 및 드레인 영역들 사이의 상기 제2 게이트 아래에 놓인 채널 영역은 제2 트랜지스터를 정의하고,상기 제2 트랜지스터의 상기 채널 영역에 대해 상기 스트레스 층에 의해 적용되는 스트레스의 양은 상기 제1 트랜지스터의 상기 채널 영역에 대해 상기 스트레스 층에 의해 적용되는 스트레스의 양보다 많은, 반도체 장치 구조의 제조 방법.
- 반도체 장치 구조를 제조하는 방법으로서,a) 제1 스페이서들을 갖는 제1 게이트, 제2 스페이서들을 갖는 제2 게이트, 상기 제1 게이트에 인접한 제1 소스 및 드레인 영역들 및 상기 제2 게이트에 인접한 제2 소스 및 드레인 영역들, 상기 제1 게이트 및 상기 제2 게이트 사이의 분리 영역, 및 상기 제1 게이트, 상기 제2 게이트 및 상기 제1 및 제2 소스 및 드레인 영역들 위의 실리사이드 영역들을 형성하는 단계 - 상기 제2 소스 및 드레인 영역들은 상기 제1 소스 및 드레인 영역들과 동일한 도전 타입을 가짐 -,b) a) 단계 후에, 상기 제1 스페이서들 위에 놓이고 상기 제2 스페이서들 위에는 놓이지 않는 제3 스페이서들을 형성하는 단계 - 상기 제3 스페이서들은 상기 제1 소스 및 드레인 영역들 및 그 위의 상기 실리사이드 영역들 위에 놓임 -, 및c) 이후에 상기 제1 및 제2 게이트들, 상기 제1, 제2 및 제3 스페이서들, 상기 제1 소스 및 드레인 영역들 및 그 위의 상기 실리사이드 영역들, 및 상기 제2 소스 및 드레인 영역들 및 그 위의 상기 실리사이드 영역들 위에 스트레스 층을 배치하는 단계 - 상기 스트레스 층은 상기 제2 스페이스들에 접촉하며, 상기 제3 스페이서들은 상기 제1 스페이서들로부터 떨어진 상기 스트레스 층의 적어도 일부와 이격함 -를 포함하는, 반도체 장치 구조의 제조 방법.
- 제13항에 있어서,상기 제1 게이트, 상기 제1 소스 및 드레인 영역들, 및 상기 제1 게이트 아래에 놓인 채널 영역은 트랜지스터를 정의하고, 상기 트랜지스터의 상기 채널 영역에 대해 상기 스트레스 층에 의해 적용되는 스트레스의 양은 상기 제3 스페이서들의 두께와 관련되어 감소되는, 반도체 장치 구조의 제조 방법.
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- 2006-12-20 KR KR1020087017547A patent/KR101033700B1/ko not_active Expired - Fee Related
- 2006-12-20 WO PCT/EP2006/069984 patent/WO2007080048A1/en active Application Filing
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CN101322239A (zh) | 2008-12-10 |
TW200731422A (en) | 2007-08-16 |
KR20080082998A (ko) | 2008-09-12 |
US7776695B2 (en) | 2010-08-17 |
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US20070158753A1 (en) | 2007-07-12 |
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