KR100729048B1 - 포토 다이오드 및 그 제조 방법 - Google Patents
포토 다이오드 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100729048B1 KR100729048B1 KR1020050124659A KR20050124659A KR100729048B1 KR 100729048 B1 KR100729048 B1 KR 100729048B1 KR 1020050124659 A KR1020050124659 A KR 1020050124659A KR 20050124659 A KR20050124659 A KR 20050124659A KR 100729048 B1 KR100729048 B1 KR 100729048B1
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- South Korea
- Prior art keywords
- type electrode
- insulating layer
- photodiode
- photoelectric conversion
- semiconductor substrate
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000004065 semiconductor Substances 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 38
- 239000010931 gold Substances 0.000 claims description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 13
- 229910052737 gold Inorganic materials 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- 230000031700 light absorption Effects 0.000 abstract description 7
- 238000001312 dry etching Methods 0.000 abstract description 3
- 238000001039 wet etching Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 230000010354 integration Effects 0.000 description 2
- 102100029860 Suppressor of tumorigenicity 20 protein Human genes 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 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
-
- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/06—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 adapted as photovoltaic [PV] conversion devices characterised by potential barriers
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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)
- Light Receiving Elements (AREA)
Abstract
Description
Claims (8)
- 양의 전압이 인가되는 N형 전극과 음의 전압이 인가되는 P형 전극을 구비하고, 일 영역에 광전 변환층이 형성된 반도체 기판; 및상기 광전 변환층 상에 형성되는 절연층을 포함하며,상기 절연층 상부 표면은 요철구조로 형성되는 포토 다이오드.
- 제 1항에 있어서,상기 절연층 상부 표면은 상기 절연층 상에 금이 흩어 뿌려진 형태로 형성됨으로써 요철구조가 구현되는 포토 다이오드.
- 제 1항에 있어서,상기 절연층의 표면은 톱니 또는 구형으로 형성된 포토 다이오드.
- 반도체 기판 내부의 일 영역에 형성되는 N형 전극 및 P형 전극과;상기 반도체 기판의 내부에 형성되며, 그 표면이 외부로 노출되는 광전 변환층이 포함되고,상기 광전 변환층의 외부로 노출된 표면이 요철구조로 형성되는 포토 다이오드.
- 양의 전압이 인가되는 N형 전극과 음의 전압이 인가되는 P형 전극이 구비되고, 일 영역에 광전 변환층이 구비되는 반도체 기판이 형성되는 단계;상기 광전 변환층 상에 절연층이 형성되는 단계; 및상기 절연층의 표면이 요철구조로 형성되는 단계가 포함되는 포토 다이오드 제조 방법.
- 제 5항에 있어서,상기 절연층의 표면을 선택적으로 건식 또는 습식 식각하여 요철구조를 형성하는 포토 다이오드 제조 방법.
- 제 5항에 있어서,상기 절연층의 표면이 요철구조로 형성되는 단계는,상기 절연층 상에 금(Au)이 증착되는 단계;상기 금에 소정의 열처리를 하여, 상기 금이 서로 응집되어 흩어 뿌린 형태로 형성되는 단계; 및식각 공정을 통해 상기 금을 선택적으로 식각함으로써, 상기 절연층의 표면이 요철구조로 형성되는 단계로 구현되는 포토 다이오드 제조 방법.
- 반도체 기판 내부의 일 영역에 N형 전극 및 P형 전극이 형성되는 단계;상기 반도체 기판의 내부에 표면이 외부로 노출되는 광전 변환층이 형성되는 단계; 및상기 광전 변환층의 외부로 노출된 표면이 요철구조로 형성되는 단계가 포함되는 포토 다이오드 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050124659A KR100729048B1 (ko) | 2005-12-16 | 2005-12-16 | 포토 다이오드 및 그 제조 방법 |
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KR1020050124659A KR100729048B1 (ko) | 2005-12-16 | 2005-12-16 | 포토 다이오드 및 그 제조 방법 |
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KR100729048B1 true KR100729048B1 (ko) | 2007-06-14 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020058580A (ko) * | 2000-12-30 | 2002-07-12 | 박종섭 | 포토다이오드 표면적을 증가시킬 수 있는 이미지 센서 및그 제조 방법 |
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Patent Citations (1)
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KR20020058580A (ko) * | 2000-12-30 | 2002-07-12 | 박종섭 | 포토다이오드 표면적을 증가시킬 수 있는 이미지 센서 및그 제조 방법 |
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