KR20200057862A - 이미지 센서 - Google Patents
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- KR20200057862A KR20200057862A KR1020180141526A KR20180141526A KR20200057862A KR 20200057862 A KR20200057862 A KR 20200057862A KR 1020180141526 A KR1020180141526 A KR 1020180141526A KR 20180141526 A KR20180141526 A KR 20180141526A KR 20200057862 A KR20200057862 A KR 20200057862A
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Abstract
Description
도 2는 본 발명의 실시예들에 따른 이미지 센서의 액티브 픽셀 센서 어레이의 회로도이다.
도 3은 본 발명의 실시예들에 따른 이미지 센서를 설명하기 위한 평면도이다.
도 4a 및 도 4b는 각각 도 3의 I-I' 선 및 II-II'선을 따라 자른 단면도이다.
도 5a는 도 4의 AA 영역의 확대도이다.
도 5b 내지 도 5d는 본 발명의 실시예들에 따른 이미지 센서를 설명하기 위한 단면도들로, 도 4a의 AA 영역에 대응된다.
도 6은 본 발명의 실시예들에 따른 이미지 센서를 나타내는 단면도로, 도 3의 I-I' 선에 대응된다.
도 7a 내지 도 7c는 도 6의 BB 부분을 확대한 확대도들이다.
도 8은 본 발명의 실시예들에 따른 픽셀들의 동작을 설명하기 위한 타이밍도이다.
도 9a, 도 10a 및 도 11a는 본 발명의 실시예들에 따른 이미지 센서의 제조 방법을 설명하기 위한 도면들로, 도 3의 I-I’선에 따른 단면도들이다.
도 9b, 도 10b 및 도 11b는 본 발명의 실시예들에 따른 이미지 센서의 제조 방법을 설명하기 위한 도면들로, 도 3의 II-II’선에 따른 단면도들이다.
Claims (10)
- 제1 도전형의 반도체 기판;
상기 반도체 기판 내에 제공되며, 제2 도전형을 갖는 광전 변환 영역;
상기 반도체 기판의 제1 면에 인접하여 형성된 산화물 반도체 패턴; 및
광전 변환 영역 및 상기 산화물 반도체 패턴과 인접하도록, 상기 제1 면 상에 형성된 전송 게이트를 포함하는 이미지 센서. - 제1 항에 있어서,
상기 전송 게이트는 상기 전송 게이트에 인가되는 신호에 응답하여 상기 광전 변환 영역 내의 전하를 상기 산화물 반도체 패턴에 전달하도록 구성되는 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴은 상기 반도체 기판의 상기 제1 면에 형성된 리세스 영역 내에 배치되는 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴은 인듐(In), 갈륨(Ga) 및 아연(Zn)을 포함하는 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴의 일 면은 상기 반도체 기판의 제1 면과 공면을 이루는 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴의 상면 상의 리셋 게이트를 더 포함하는 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴에 일단에 접속된 제1 콘택 플러그 및 상기 산화물 반도체 패턴의 타단에 접속된 제2 콘택 플러그를 더 포함하는 이미지 센서. - 제1 항에 있어서,
상기 전송 게이트의 하부는 상기 반도체 기판의 내부에 매립되며, 상기 산화물 반도체 패턴은 상기 전송 게이트의 하부를 따라 상기 광전 변환 영역을 향하여 연장되는 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴은 콘택 플러그가 접속되는 제1 부분 및 상기 제1 부분으로부터 상기 전송 게이트의 하면의 아래로 연장된 제2 부분을 포함하고,
상기 제2 부분의 최하부 표면의 레벨은 상기 제1 부분의 최하부 표면의 레벨보다 낮은 이미지 센서. - 제1 항에 있어서,
상기 산화물 반도체 패턴은 광전 변환 영역의 내부로 연장되는 이미지 센서.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020180141526A KR102634245B1 (ko) | 2018-11-16 | 2018-11-16 | 이미지 센서 |
| US16/418,557 US10910419B2 (en) | 2018-11-16 | 2019-05-21 | Image sensor |
| CN201911124423.3A CN111199990B (zh) | 2018-11-16 | 2019-11-15 | 图像传感器 |
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| KR1020180141526A KR102634245B1 (ko) | 2018-11-16 | 2018-11-16 | 이미지 센서 |
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| KR20200057862A true KR20200057862A (ko) | 2020-05-27 |
| KR102634245B1 KR102634245B1 (ko) | 2024-02-07 |
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| US11437416B2 (en) * | 2019-09-10 | 2022-09-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Pixel device layout to reduce pixel noise |
| WO2025134554A1 (ja) * | 2023-12-20 | 2025-06-26 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置 |
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| KR102621066B1 (ko) | 2016-03-22 | 2024-01-08 | 에스케이하이닉스 주식회사 | 이미지 센서 및 그 제조 방법 |
| KR102699535B1 (ko) * | 2016-12-29 | 2024-09-02 | 삼성전자주식회사 | 이미지 센서 |
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| CN111199990B (zh) | 2024-10-01 |
| CN111199990A (zh) | 2020-05-26 |
| KR102634245B1 (ko) | 2024-02-07 |
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