KR101562696B1 - 배면측 조명되는 포토다이오드를 프로세싱하기 위한 시스템 및 방법 - Google Patents
배면측 조명되는 포토다이오드를 프로세싱하기 위한 시스템 및 방법 Download PDFInfo
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- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
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- H10F30/22—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes
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- H10F30/22—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes
- H10F30/221—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes the potential barrier being a PN homojunction
- H10F30/2218—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes the potential barrier being a PN homojunction the devices comprising active layers made of only Group IV-VI materials
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Abstract
Description
도 1은 제시된 원리들에 따라 포토다이오드를 프로세싱하기 위한 방법을 예시하는 흐름도.
도 2는 BSI 구조 프로세싱 동안 포토다이오드의 단면도.
도 3은 캐리어 및 활성 표면을 갖는 포토다이오드의 단면도.
도 4 내지 도 6은 본 원리들에 따라 활성 표면 프로세스의 중간 상태들에서의 포토다이오드의 단면도들.
도 7은 부가적인 백 엔드 오브 라인 프로세싱 이후의 포토다이오드의 단면도.
Claims (10)
- 반도체를 프로세싱하기 위한 방법에 있어서,
제 1 표면을 갖는 기판을 갖는 반도체 디바이스를 제공하는 단계로서, 상기 제 1 표면은 상기 기판의 일면을 박화함에 의해 형성되는, 상기 반도체 디바이스를 제공하는 단계;
상기 기판의 제 1 표면 주위의 기판에서 도핑된 층을 생성하는 단계;
0.11나노미터의 미리 결정된 거칠기(roughness) 문턱값 미만으로 상기 제 1 표면의 거칠기를 감소시키기에 충분한 온도에서 상기 기판의 제 1 표면 상에 제 1 산화물을 성장시키는 단계; 및
상기 제 1 산화물의 표면 상에 유전체 층을 생성하는 단계로서, 상기 유전체는 미리 결정된 굴절 문턱값보다 큰 굴절률을 갖는 것인, 유전체 층을 생성하는 단계
를 포함하는, 반도체를 프로세싱하기 위한 방법. - 제 1 항에 있어서,
상기 반도체 디바이스는 상기 제 1 표면에 인접한 기판 내의 광감성 영역(photosensitive region) 및 상기 제 1 표면 반대쪽의 회로측을 갖는 것인, 반도체를 프로세싱하기 위한 방법. - 제 1 항에 있어서,
상기 제 1 산화물은 300℃ 내지 500℃ 사이의 온도에서 생성되고, 1 나노미터 내지 10나노미터 사이의 두께를 갖도록 생성되는 것인, 반도체를 프로세싱하기 위한 방법. - 제 1 항에 있어서,
상기 유전체 층 상에 패시베이션 층을 적용하는 단계
를 더 포함하는, 반도체를 프로세싱하기 위한 방법. - 반도체 디바이스에 있어서,
제 1 측 및 상기 제 1 측 반대쪽의 회로측을 갖는 기판;
상기 기판의 제 1 측에 배치되는 p형 층;
0.11나노미터의 미리 결정된 문턱값 미만으로 상기 제 1 측의 거칠기를 감소시키기에 충분한 온도에서 성장되는, 상기 기판의 제 1 측 상에 배치되는 저온 산화물; 및
상기 저온 산화물 상에 배치되는 유전체 캡으로서, 상기 유전체 캡의 물질은 미리 결정된 문턱값 초과의 굴절률을 갖는 것인, 유전체 캡
을 포함하는, 반도체 디바이스. - 삭제
- 제 5 항에 있어서,
상기 유전체 캡은 100나노미터 내지 150 나노미터 사이의 두께를 갖는 것인, 반도체 디바이스. - 제 5 항에 있어서,
상기 유전체 캡의 물질은 적어도 2.0의 굴절률을 갖는 것인, 반도체 디바이스. - 제 5 항에 있어서,
상기 p형 층은 붕소로 도핑되고 1E13 내지 1E16 사이의 붕소 농도를 갖고, 상기 p형 층의 깊이는 10 나노미터 미만인 것인, 반도체 디바이스. - 포토다이오드 디바이스에 있어서,
제 1 측에 인접한 광감성 영역 및 상기 제 1 측 반대쪽의 회로측을 갖는 기판;
0.11나노미터의 미리 결정된 문턱값 미만으로 상기 제 1 측의 거칠기를 감소시키기에 충분한 온도에서 성장되고 적어도 미리 결정된 파장의 광이 상기 기판의 광감성 영역으로 관통하는 것을 허용하도록 구성되는, 상기 기판의 제 1 측 상에 배치되는 저온 산화물;
상기 저온 산화물 상에 배치되는 유전체 캡으로서, 상기 유전체의 물질은 미리 결정된 문턱값 초과의 굴절률을 갖는, 상기 유전체 캡; 및
상기 유전체 캡 상에 배치되는 패시베이션 층
을 포함하는, 포토다이오드 디바이스.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/486,833 | 2012-06-01 | ||
| US13/486,833 US9349902B2 (en) | 2012-06-01 | 2012-06-01 | System and method for reducing irregularities on the surface of a backside illuminated photodiode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20130135723A KR20130135723A (ko) | 2013-12-11 |
| KR101562696B1 true KR101562696B1 (ko) | 2015-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020120154749A Active KR101562696B1 (ko) | 2012-06-01 | 2012-12-27 | 배면측 조명되는 포토다이오드를 프로세싱하기 위한 시스템 및 방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9349902B2 (ko) |
| KR (1) | KR101562696B1 (ko) |
| CN (1) | CN103456834B (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012111698A1 (de) * | 2012-12-03 | 2014-03-20 | Solarworld Innovations Gmbh | Verfahren und Vorrichtung zum Bearbeiten mindestens eines kristallinen Silizium-Wafers oder eines Solarzellen-Wafers |
| KR101691851B1 (ko) * | 2013-03-11 | 2017-01-02 | 인텔 코포레이션 | 실리콘 기반 광 집적 회로를 위한 오목 미러를 갖는 저전압 아발란치 광 다이오드 |
| CN108767026B (zh) * | 2018-06-11 | 2020-06-19 | 安徽鹰龙工业设计有限公司 | 一种硅基光伏电池及其制造方法 |
| US20250142992A1 (en) * | 2023-10-31 | 2025-05-01 | Kla Corporation | Back-illuminated sensor and method of making same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070210395A1 (en) * | 2006-02-24 | 2007-09-13 | Yasushi Maruyama | Solid-state imaging device, method for producing same, and camera |
| US20090027371A1 (en) | 2007-07-27 | 2009-01-29 | Yu-Min Lin | Photo detector and method for fabricating the same |
| US20120319169A1 (en) | 2011-06-20 | 2012-12-20 | Imec | Cmos compatible method for manufacturing a hemt device and the hemt device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225211B1 (en) * | 1999-04-29 | 2001-05-01 | Industrial Technology Research Institute | Method for making stacked and borderless via structures on semiconductor substrates for integrated circuits |
| US6077733A (en) * | 1999-09-03 | 2000-06-20 | Taiwan Semiconductor Manufacturing Company | Method of manufacturing self-aligned T-shaped gate through dual damascene |
| US6759730B2 (en) | 2001-09-18 | 2004-07-06 | Agere Systems Inc. | Bipolar junction transistor compatible with vertical replacement gate transistor |
| US7935994B2 (en) * | 2005-02-24 | 2011-05-03 | Taiwan Semiconductor Manufacturing Company, Ltd. | Light shield for CMOS imager |
| US20080079108A1 (en) * | 2006-09-29 | 2008-04-03 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for Improving Sensitivity of Backside Illuminated Image Sensors |
-
2012
- 2012-06-01 US US13/486,833 patent/US9349902B2/en not_active Expired - Fee Related
- 2012-11-05 CN CN201210436608.XA patent/CN103456834B/zh not_active Expired - Fee Related
- 2012-12-27 KR KR1020120154749A patent/KR101562696B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070210395A1 (en) * | 2006-02-24 | 2007-09-13 | Yasushi Maruyama | Solid-state imaging device, method for producing same, and camera |
| US20090027371A1 (en) | 2007-07-27 | 2009-01-29 | Yu-Min Lin | Photo detector and method for fabricating the same |
| US20120319169A1 (en) | 2011-06-20 | 2012-12-20 | Imec | Cmos compatible method for manufacturing a hemt device and the hemt device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130320478A1 (en) | 2013-12-05 |
| CN103456834B (zh) | 2016-12-21 |
| US9349902B2 (en) | 2016-05-24 |
| KR20130135723A (ko) | 2013-12-11 |
| CN103456834A (zh) | 2013-12-18 |
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