KR20210081679A - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
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- KR20210081679A KR20210081679A KR1020190173878A KR20190173878A KR20210081679A KR 20210081679 A KR20210081679 A KR 20210081679A KR 1020190173878 A KR1020190173878 A KR 1020190173878A KR 20190173878 A KR20190173878 A KR 20190173878A KR 20210081679 A KR20210081679 A KR 20210081679A
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Abstract
Description
도 2a 및 도 2b는 예시적인 실시예들에 따른 반도체 장치를 도시하는 단면도들이다.
도 3a 및 도 3b는 예시적인 실시예들에 따른 반도체 장치를 도시하는 사시도들이다.
도 4 및 도 5는 예시적인 실시예들에 따른 반도체 장치를 도시하는 평면도 및 단면도이다.
도 6은 예시적인 실시예들에 따른 반도체 장치의 회로도이다.
도 7 및 도 8은 예시적인 실시예들에 따른 반도체 장치를 도시하는 평면도 및 단면도이다.
도 9a 및 도 9b는 예시적인 실시예들에 따른 반도체 장치를 도시하는 사시도들이다.
도 10은 예시적인 실시예들에 따른 반도체 장치를 포함하는 SRAM 셀의 회로도이다.
도 11은 예시적인 실시예들에 따른 반도체 장치를 도시하는 평면도이다.
도 12a 내지 도 20d는 예시적인 실시예들에 따른 반도체 장치의 제조 방법을 설명하기 위하여 공정 순서에 따라 도시한 도면들이다.
107: 반도체층 110: 제1 스페이서층
120: 중간 반도체층 125: 소자 분리층
130: 제2 스페이서층 140: 채널 구조물
141, 142, 143: 채널층 150A: 제1 소스/드레인 영역
150B: 제2 소스/드레인 영역 160A: 제1 게이트 구조물
160B: 제2 게이트 구조물 162, 164: 게이트 절연층
165, 167: 게이트 전극층 170A, 170B: 제1 콘택 플러그
175: 제2 콘택 플러그 180A, 180B: 제3 콘택 플러그
185: 제4 콘택 플러그 190: 층간 절연층
Claims (10)
- 기판의 활성 영역 상에 수직하게 서로 이격되어 배치되는 복수의 채널층들;
상기 복수의 채널층들을 둘러싸는 제1 게이트 구조물;
상기 제1 게이트 구조물의 양측에서 상기 활성 영역 상에 배치되며, 상기 복수의 채널층들과 접촉되는 제1 소스/드레인 영역들;
상기 제1 게이트 구조물의 상부에 배치되는 소자 분리층;
상기 소자 분리층 상에 배치되며, 상기 기판의 상면에 수직한 방향을 따라 연장되는 수직 영역을 갖고, 제2 소스/드레인 영역들을 포함하는 반도체층;
상기 수직 영역의 일부를 둘러싸도록 배치되는 제2 게이트 구조물;
상기 제1 소스/드레인 영역들에 각각 연결되는 제1 콘택 플러그들;
상기 제1 게이트 구조물에 연결되는 제2 콘택 플러그;
상기 제2 소스/드레인 영역들에 각각 연결되는 제3 콘택 플러그들; 및
상기 제2 게이트 구조물에 연결되는 제4 콘택 플러그를 포함하는 반도체 장치.
- 제1 항에 있어서,
상기 제2 게이트 구조물은, 평면 상에서 상기 제1 게이트 구조물보다 작은 면적을 갖는 반도체 장치.
- 제1 항에 있어서,
상기 복수의 채널층들, 상기 소자 분리층, 및 상기 반도체층은 서로 실질적으로 공면(coplanar)인 측면들을 갖는 반도체 장치.
- 제1 항에 있어서,
상기 복수의 채널층들의 상면 및 하면 상에서 상기 제1 게이트 구조물의 양측에 배치되는 제1 스페이서층; 및
상기 반도체층과 상기 제2 게이트 구조물의 사이에 배치되는 제2 스페이서층을 더 포함하는 반도체 장치.
- 제1 항에 있어서,
상기 제1 게이트 구조물과 상기 소자 분리층의 사이에 배치되는 중간 반도체층을 더 포함하는 반도체 장치.
- 제1 항에 있어서,
상기 수직 영역은, 서로 이격되어 배치되는 복수의 수직 영역들을 포함하는 반도체 장치.
- 제1 항에 있어서,
상기 제1 게이트 구조물 및 상기 제2 게이트 구조물은 일측에서 서로 연결되는 반도체 장치.
- 제7 항에 있어서,
상기 제1 콘택 플러그 및 상기 제3 콘택 플러그는 서로 결합되어 하나의 콘택 구조물을 이루는 반도체 장치.
- 기판의 활성 영역 상에 수직하게 서로 이격되어 배치되는 복수의 채널층들;
상기 복수의 채널층들을 둘러싸는 제1 게이트 구조물;
상기 제1 게이트 구조물의 양측에서 상기 활성 영역 상에 배치되며, 상기 복수의 채널층들과 접촉되는 제1 소스/드레인 영역들;
상기 제1 게이트 구조물의 상부에 배치되며, 상기 기판의 상면에 수직한 방향을 따라 연장되는 수직 영역을 갖고, 제2 소스/드레인 영역들을 포함하는 반도체층; 및
상기 반도체층의 측면의 일부를 둘러싸도록 배치되는 제2 게이트 구조물을 포함하는 반도체 장치.
- 기판 상에 수직한 제1 방향을 따라 서로 이격되어 배치되는 복수의 채널층들 및 상기 복수의 채널층들을 둘러싸는 제1 게이트 구조물을 포함하는 제1 트랜지스터; 및
상기 제1 방향을 따라 상기 제1 게이트 구조물과 이격되어 배치되며, 상기 제1 방향을 따라 연장되는 수직 영역을 갖는 반도체층 및 상기 수직 영역의 일부를 둘러싸도록 배치되는 제2 게이트 구조물을 포함하는 제2 트랜지스터를 포함하고,
상기 제1 트랜지스터의 채널은 상기 복수의 채널층들을 따라 상기 제1 방향에 수직한 제2 방향으로 연장되고, 상기 제2 트랜지스터의 채널은 상기 수직 영역을 따라 상기 제1 방향으로 연장되는 반도체 장치.
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KR1020190173878A KR20210081679A (ko) | 2019-12-24 | 2019-12-24 | 반도체 장치 |
US17/038,020 US11769830B2 (en) | 2019-12-24 | 2020-09-30 | Semiconductor devices |
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US11282843B2 (en) * | 2020-05-22 | 2022-03-22 | Taiwan Semiconductor Manufacturing Co., Ltd. | Memory device, SRAM cell, and manufacturing method thereof |
US20230282643A1 (en) * | 2022-03-02 | 2023-09-07 | Tokyo Electron Limited | Three-dimensional device and method of forming the same |
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US12277965B2 (en) | 2023-01-17 | 2025-04-15 | Macronix International Co., Ltd. | Memory structure and method for operating the same |
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2019
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