KR101080882B1 - 애벌란치 포토 다이오드 및 그의 제조방법 - Google Patents
애벌란치 포토 다이오드 및 그의 제조방법 Download PDFInfo
- Publication number
- KR101080882B1 KR101080882B1 KR1020080124178A KR20080124178A KR101080882B1 KR 101080882 B1 KR101080882 B1 KR 101080882B1 KR 1020080124178 A KR1020080124178 A KR 1020080124178A KR 20080124178 A KR20080124178 A KR 20080124178A KR 101080882 B1 KR101080882 B1 KR 101080882B1
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- Prior art keywords
- layer
- etching
- amplification
- avalanche photodiode
- etch stop
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 14
- 230000003321 amplification Effects 0.000 claims abstract description 67
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 67
- 238000005530 etching Methods 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 claims description 6
- 238000001039 wet etching Methods 0.000 claims description 6
- 229920002120 photoresistant polymer Polymers 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 121
- 238000009792 diffusion process Methods 0.000 description 23
- 239000000463 material Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H01L31/107—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier working in avalanche mode, e.g. avalanche photodiodes
-
- 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
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02366—Special surface textures of the substrate or of a layer on the substrate, e.g. textured ITO/glass substrate or superstrate, textured polymer layer on glass substrate
-
- 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
- H01L31/0304—Inorganic materials including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L31/03046—Inorganic materials including, apart from doping materials or other impurities, only AIIIBV compounds including ternary or quaternary compounds, e.g. GaAlAs, InGaAs, InGaAsP
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Light Receiving Elements (AREA)
Abstract
Description
Claims (6)
- 기판, 버퍼층, 광 흡수층, 그래이딩층, 필드 제어층, 및 제 1증폭층이 순차적으로 적층되는 애벌란치 포토다이오드(Avalanche Photodiode)에 있어서,상기 제 1증폭층의 상부에 형성되어 식각을 방지하며, 인듐갈륨비소(InGaAs)를 이용하여 0.1㎛ 내지 0.3㎛ 의 두께로 형성되는 식각중지층; 및상기 식각중지층의 상부에 형성되어, 식각이 가능한 제 2증폭층;을 포함하되,상기 제 2증폭층을 식각하기 위한 패턴마스크는 포토레지스트(Photoresist) 또는 이산화실리콘(SiO2)을 사용하며, 상기 제 2증폭층을 식각하는 식각액은 HCI:H3PO4 또는 HCI:H2O를 사용하는 것을 특징으로 하는 애벌란치 포토 다이오드.
- 삭제
- 제 1항의 애벌란치 포토 다이오드를 제조하는 방법에 있어서,기판의 상부에 광 흡수층, 그래이딩층, 버퍼층, 및 증폭층을 순차적으로 형성하는 단계;상기 증폭층의 내에 식각 중지층을 삽입 형성하는 단계; 및상기 증폭층의 상부에 패턴을 형성하여 식각하는 단계를 포함하는 것을 특징으로 하는 애벌란치 포토 다이오드 제조방법.
- 제 3항에 있어서, 상기 식각 중지층을 형성하는 단계는,상기 증폭층의 상부로부터 상기 증폭층의 식각 깊이에 따라 형성되는 위치가 가변되는 것을 특징으로 하는 애벌란치 포토 다이오드 제조방법.
- 삭제
- 제 3항에 있어서, 상기 식각하는 단계에서,포토레지스트 또는 이산화 실리콘 마스크를 사용하여 상기 패턴을 형성하고, 습식 식각법을 통해 식각하는 것을 특징으로 하는 애벌란치 포토 다이오드 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080124178A KR101080882B1 (ko) | 2008-12-08 | 2008-12-08 | 애벌란치 포토 다이오드 및 그의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020080124178A KR101080882B1 (ko) | 2008-12-08 | 2008-12-08 | 애벌란치 포토 다이오드 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100065706A KR20100065706A (ko) | 2010-06-17 |
KR101080882B1 true KR101080882B1 (ko) | 2011-11-08 |
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KR1020080124178A KR101080882B1 (ko) | 2008-12-08 | 2008-12-08 | 애벌란치 포토 다이오드 및 그의 제조방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101695700B1 (ko) | 2010-12-20 | 2017-01-13 | 한국전자통신연구원 | 아발란치 포토다이오드의 제조방법 |
KR20180119203A (ko) | 2017-04-24 | 2018-11-02 | 한국전자통신연구원 | 광 검출 소자 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6515315B1 (en) | 1999-08-05 | 2003-02-04 | Jds Uniphase, Corp. | Avalanche photodiode for high-speed applications |
JP2006237610A (ja) * | 2005-02-23 | 2006-09-07 | Samsung Electronics Co Ltd | アバランシェフォトダイオードの製造方法 |
JP2008177510A (ja) | 2007-01-22 | 2008-07-31 | Nec Corp | 半導体受光素子 |
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- 2008-12-08 KR KR1020080124178A patent/KR101080882B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6515315B1 (en) | 1999-08-05 | 2003-02-04 | Jds Uniphase, Corp. | Avalanche photodiode for high-speed applications |
JP2006237610A (ja) * | 2005-02-23 | 2006-09-07 | Samsung Electronics Co Ltd | アバランシェフォトダイオードの製造方法 |
JP2008177510A (ja) | 2007-01-22 | 2008-07-31 | Nec Corp | 半導体受光素子 |
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KR20100065706A (ko) | 2010-06-17 |
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