KR100706743B1 - 이미지 센서용 실리콘-게르마늄 포토다이오드 - Google Patents
이미지 센서용 실리콘-게르마늄 포토다이오드 Download PDFInfo
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- KR100706743B1 KR100706743B1 KR1020050042299A KR20050042299A KR100706743B1 KR 100706743 B1 KR100706743 B1 KR 100706743B1 KR 1020050042299 A KR1020050042299 A KR 1020050042299A KR 20050042299 A KR20050042299 A KR 20050042299A KR 100706743 B1 KR100706743 B1 KR 100706743B1
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- silicon
- photodiode
- germanium
- image sensor
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- 229910008310 Si—Ge Inorganic materials 0.000 title 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims abstract description 55
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 43
- 239000000956 alloy Substances 0.000 claims abstract description 43
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 40
- 239000010703 silicon Substances 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 10
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 239000002019 doping agent Substances 0.000 claims 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000031700 light absorption Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0256—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
- H01L31/0264—Inorganic materials
- H01L31/028—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0256—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
- H01L31/0264—Inorganic materials
- H01L31/028—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table
- H01L31/0288—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table characterised by the doping material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
- H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
- H01L31/102—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier
- H01L31/103—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier being of the PN homojunction type
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Light Receiving Elements (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
Claims (6)
- 광을 받아들여 그 광의 강도를 측정하는데 사용되는 이미지 센서용 포토다이오드에 있어서,실리콘 기판;상기 실리콘 기판 상에 형성되는 실리콘-게르마늄 합금층; 및상기 실리콘-게르마늄 합금층에 도핑에 의해 형성되는 포토다이오드;를 포함하는 것을 특징으로 하는 이미지 센서용 실리콘-게르마늄 포토다이오드.
- 제1항에 있어서, 상기 실리콘-게르마늄 합금층은 제1종 도핑이 되어 있으며, 상기 포토다이오드 영역은 제2종 도핑이 되어 있는 것을 특징으로 하는 이미지 센서용 실리콘-게르마늄 포토다이오드.
- 광을 받아들여 그 광의 강도를 측정하는데 사용되는 이미지 센서용 포토다이오드에 있어서,실리콘 기판;상기 실리콘 기판 상에 형성되고 제1종 도핑이 되어 있는 실리콘-게르마늄 합금층;상기 실리콘-게르마늄 합금층 위에 형성되는 절연층;상기 실리콘-게르마늄 합금층 내부에 도핑에 의해 형성되고 제2종 도핑이 되어 있는 포토다이오드; 및상기 포토다이오드 위에 형성되고 제1종 도핑이 되어 있는 포토다이오드 매립을 위한 표면 도핑 영역;을 포함하는 것을 특징으로 하는 이미지 센서용 실리콘-게르마늄 포토다이오드.
- 광을 받아들여 그 광의 강도를 측정하는데 사용되는 이미지 센서용 포토다이오드에 있어서,실리콘 기판;상기 실리콘 기판 내에 도핑에 의해 포토다이오드 역할을 하도록 형성되는 실리콘-게르마늄 합금층; 및상기 실리콘-게르마늄 합금층 위에 형성되는 실리콘층;을 포함하는 것을 특징으로 하는 이미지 센서용 실리콘-게르마늄 포토다이오드.
- 제4항에 있어서, 상기 실리콘 기판은 제1종 도핑이 되어 있으며, 상기 실리콘-게르마늄 합금층은 제2종 도핑이 되어 있고, 그리고 상기 실리콘-게르마늄 합금층 위에 형성되는 실리콘층은 제1종 도핑이 되어있는 것을 특징으로 하는 이미지 센서용 실리콘-게르마늄 포토다이오드.
- 제1항 내지 제5항 중 어느 하나의 항에 있어서, 상기 실리콘-게르마늄 합금층은 그 성분이 Si1-xGex이며 x=0.001~0.15의 범위 이내인 것을 특징으로 하는 이미지 센서용 실리콘-게르마늄 포토다이오드.
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KR1020050042299A KR100706743B1 (ko) | 2005-05-20 | 2005-05-20 | 이미지 센서용 실리콘-게르마늄 포토다이오드 |
PCT/KR2006/001817 WO2006123881A1 (en) | 2005-05-20 | 2006-05-16 | Silicon-germanium photodiode for image sensor |
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KR1020050042299A KR100706743B1 (ko) | 2005-05-20 | 2005-05-20 | 이미지 센서용 실리콘-게르마늄 포토다이오드 |
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KR100706743B1 true KR100706743B1 (ko) | 2007-04-11 |
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KR101750742B1 (ko) | 2011-10-14 | 2017-06-28 | 삼성전자주식회사 | 광검출기 구조체 |
FR3000605A1 (fr) * | 2012-12-31 | 2014-07-04 | St Microelectronics Crolles 2 | Photocapteur adapte a la mesure de temps de vol |
EP3490000B1 (en) | 2017-11-24 | 2023-01-04 | ams AG | Near-infrared photodetector semiconductor device |
EP3754730B1 (en) | 2019-06-18 | 2023-01-18 | ams AG | Semiconductor device for infrared detection, method of manufacturing semiconductor device for infrared detection and infrared detector |
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KR100790287B1 (ko) * | 2001-12-14 | 2007-12-31 | 매그나칩 반도체 유한회사 | 이미지센서 제조 방법 |
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KR20060119359A (ko) | 2006-11-24 |
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