KR100822703B1 - 쇼트키 포토다이오드 - Google Patents
쇼트키 포토다이오드 Download PDFInfo
- Publication number
- KR100822703B1 KR100822703B1 KR1020060074850A KR20060074850A KR100822703B1 KR 100822703 B1 KR100822703 B1 KR 100822703B1 KR 1020060074850 A KR1020060074850 A KR 1020060074850A KR 20060074850 A KR20060074850 A KR 20060074850A KR 100822703 B1 KR100822703 B1 KR 100822703B1
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- South Korea
- Prior art keywords
- epitaxial layer
- metal thin
- thin film
- schottky
- semiconductor epitaxial
- Prior art date
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- 239000004065 semiconductor Substances 0.000 claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 47
- 239000010409 thin film Substances 0.000 claims abstract description 47
- 239000006117 anti-reflective coating Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 16
- 239000010408 film Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 53
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000009279 wet oxidation reaction Methods 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
- H01L31/108—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier being of the Schottky type
-
- 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
- H01L31/0224—Electrodes
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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
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/095—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being Schottky barrier gate field-effect transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Light Receiving Elements (AREA)
Abstract
Description
Claims (8)
- 삭제
- 반도체 기판;상기 반도체 기판 하부에 형성되어 있는 제 1 전극;상기 반도체 기판 상부에 형성되어 있는 반도체 에피층;상기 반도체 에피층 상부의 일부 영역에만 쇼트키(Schottky) 접합되어 있는 금속박막; 및상기 금속박막 상부에 형성되어 있는 제 2 전극;을 포함하고,상기 금속박막은, 상기 반도체 에피층 상부 면의 75% ~ 80% 영역에 형성되어진 것을 특징으로 하는 쇼트키 포토다이오드.
- 삭제
- 삭제
- 삭제
- 반도체 기판;상기 반도체 기판 하부에 형성되어 있는 제 1 전극;상기 반도체 기판 상부에 형성되어 있는 반도체 에피층;상기 반도체 에피층 상부의 일부 영역에만 쇼트키(Schottky) 접합되어 있는 금속박막; 및상기 금속박막 상부에 형성되어 있는 제 2 전극;을 포함하고,상기 반도체 에피층 상부에서 상기 금속박막이 접합되어 있지 않은 나머지 영역에 형성되어 있는 무반사 코팅막;을 더 포함하는 것을 특징으로 하는 쇼트키 포토다이오드.
- 제 6항에 있어서,상기 무반사 코팅막의 재질은,산화물(Oxide) 또는 질화물(Nitride)인 것을 특징으로 하는 쇼트키 포토다이오드.
- 제 6항에 있어서,상기 무반사 코팅막의 두께는,50nm ~ 250nm 인 것을 특징으로 하는 쇼트키 포토다이오드.
Priority Applications (1)
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KR1020060074850A KR100822703B1 (ko) | 2006-08-08 | 2006-08-08 | 쇼트키 포토다이오드 |
Applications Claiming Priority (1)
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---|---|---|---|
KR1020060074850A KR100822703B1 (ko) | 2006-08-08 | 2006-08-08 | 쇼트키 포토다이오드 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080013389A KR20080013389A (ko) | 2008-02-13 |
KR100822703B1 true KR100822703B1 (ko) | 2008-04-17 |
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KR1020060074850A KR100822703B1 (ko) | 2006-08-08 | 2006-08-08 | 쇼트키 포토다이오드 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050084685A (ko) * | 2002-11-25 | 2005-08-26 | 도꾸리쯔교세이호진 상교기쥬쯔 소고겡뀨죠 | 반도체장치 및 그 반도체장치를 이용한 전력변환기, 구동용인버터, 범용 인버터, 대전력 고주파 통신기기 |
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- 2006-08-08 KR KR1020060074850A patent/KR100822703B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050084685A (ko) * | 2002-11-25 | 2005-08-26 | 도꾸리쯔교세이호진 상교기쥬쯔 소고겡뀨죠 | 반도체장치 및 그 반도체장치를 이용한 전력변환기, 구동용인버터, 범용 인버터, 대전력 고주파 통신기기 |
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