JPS5646570A - Avalanche photodiode - Google Patents
Avalanche photodiodeInfo
- Publication number
- JPS5646570A JPS5646570A JP12353079A JP12353079A JPS5646570A JP S5646570 A JPS5646570 A JP S5646570A JP 12353079 A JP12353079 A JP 12353079A JP 12353079 A JP12353079 A JP 12353079A JP S5646570 A JPS5646570 A JP S5646570A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- type
- region
- guard ring
- semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010410 layer Substances 0.000 abstract 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000004065 semiconductor Substances 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 125000005842 heteroatom Chemical group 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- H01L31/1075—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 in which the active layers, e.g. absorption or multiplication layers, form an heterostructure, e.g. SAM structure
Landscapes
- 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
PURPOSE:To exactly secure a breakdown preventive effect of an avalanche photodiode having a hetero junction by projecting the end of a guard ring into a semiconductor having larger forbidden band width than the semiconductor in the photodetecting region when forming the guard ring at the photodiode. CONSTITUTION:An N type In1-pGapAsqP1-q layer 18, where 0.42q<=P<=0.50q and 0<=q<=1, and N type In1-xGaxAsyP1-y layer 19, where 0.42y<=x<=0.50y and 0<= y<=1, are laminated on an N<+> type InP substrate 17, and is epitaxially grown in liqid phase. At this time the forbidden band width of the layer 18 is selected to be larger than that of the layer 19. Subsequently, the entire surface is covered with an SiO2 film 5, a hole is opened corresponding to the region forming a guard ring, Zn is diffused therein, and P type guard rings 21, 22 are formed. Thereafter, the film 5 surrounded therewith is removed, Zn is again diffused in the surface layer of the layer 19 thus exposed, and a photodetecting region 20 is formed. In this configuration the portion having large radius of curvature at the ends of the rings 21, 22 is intruded into the layer 18, and the P-N junction of the region 20 is disposed in the layer 19.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12353079A JPS5646570A (en) | 1979-09-26 | 1979-09-26 | Avalanche photodiode |
US06/187,744 US4383266A (en) | 1979-09-26 | 1980-09-16 | Avalanche photo diode |
GB8031240A GB2060257B (en) | 1979-09-26 | 1980-09-26 | Guard rings for avalanche photo diodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12353079A JPS5646570A (en) | 1979-09-26 | 1979-09-26 | Avalanche photodiode |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5646570A true JPS5646570A (en) | 1981-04-27 |
JPS6138871B2 JPS6138871B2 (en) | 1986-09-01 |
Family
ID=14862884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12353079A Granted JPS5646570A (en) | 1979-09-26 | 1979-09-26 | Avalanche photodiode |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5646570A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57190370A (en) * | 1981-05-18 | 1982-11-22 | Fujitsu Ltd | Semiconductor light receiving element |
US5098851A (en) * | 1989-02-10 | 1992-03-24 | Hitachi, Ltd. | Fabricating a semiconductor photodetector by annealing to smooth the PN junction |
-
1979
- 1979-09-26 JP JP12353079A patent/JPS5646570A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57190370A (en) * | 1981-05-18 | 1982-11-22 | Fujitsu Ltd | Semiconductor light receiving element |
JPS6259475B2 (en) * | 1981-05-18 | 1987-12-11 | Fujitsu Ltd | |
US5098851A (en) * | 1989-02-10 | 1992-03-24 | Hitachi, Ltd. | Fabricating a semiconductor photodetector by annealing to smooth the PN junction |
Also Published As
Publication number | Publication date |
---|---|
JPS6138871B2 (en) | 1986-09-01 |
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