JPS5595264A - Photoelectron multiplier - Google Patents
Photoelectron multiplierInfo
- Publication number
- JPS5595264A JPS5595264A JP223179A JP223179A JPS5595264A JP S5595264 A JPS5595264 A JP S5595264A JP 223179 A JP223179 A JP 223179A JP 223179 A JP223179 A JP 223179A JP S5595264 A JPS5595264 A JP S5595264A
- Authority
- JP
- Japan
- Prior art keywords
- container
- dynodes
- prevent
- conductor layers
- keep
- 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
Landscapes
- Electron Tubes For Measurement (AREA)
Abstract
PURPOSE: To prevent the electrostatic light emission and reduce the dark currents, by roughening the inner surface of a container to keep the secondary electron emission ratio less than 1 and providing conductor layers on the outer surface of the container and applying thereto a potential nearly equal to that of dynodes facing each other.
CONSTITUTION: The inner surface of an air-tight glass container 1, in which sealed are a photoelectric surface 2 at one end and leads 3 at the other end, is roughened by etching treatment with hydrofluoric acid type aqueous solution or the like to make a rough surface 8, and a plurality of dynodes 5, an output electrode 6, and a focusing electrode 7 are mounted on an electrode retaining board 4 within the container 1. Further, axially divided cylindrical conductor layers 9 are applied onto the outer surface of the container 1, and applied thereto is a potential nearly equal to that of dynodes 5 facing each other. The rough surface 8 can keep the secondary electron emission ratio less than 1 to prevent the fluorescence generation from the container wall bombarded by electrons and the conductor layers 9 can prevent the electrostatic light emission from the container wall to decrease the dark currents, so that detection precision for very small currents can be improved.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP223179A JPS5595264A (en) | 1979-01-16 | 1979-01-16 | Photoelectron multiplier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP223179A JPS5595264A (en) | 1979-01-16 | 1979-01-16 | Photoelectron multiplier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5595264A true JPS5595264A (en) | 1980-07-19 |
JPS5640941B2 JPS5640941B2 (en) | 1981-09-24 |
Family
ID=11523571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP223179A Granted JPS5595264A (en) | 1979-01-16 | 1979-01-16 | Photoelectron multiplier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5595264A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5043628A (en) * | 1989-03-24 | 1991-08-27 | U.S. Philips Corp. | Fast photomultiplier tube having a high collection homogeneity |
EP0727808A1 (en) * | 1995-02-16 | 1996-08-21 | Hamamatsu Photonics K.K. | Photomultiplier tube |
WO2009115083A2 (en) * | 2008-03-20 | 2009-09-24 | Tesat-Spacecom Gmbh & Co. Kg | Rf component and the method thereof for surface finishing |
-
1979
- 1979-01-16 JP JP223179A patent/JPS5595264A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5043628A (en) * | 1989-03-24 | 1991-08-27 | U.S. Philips Corp. | Fast photomultiplier tube having a high collection homogeneity |
EP0727808A1 (en) * | 1995-02-16 | 1996-08-21 | Hamamatsu Photonics K.K. | Photomultiplier tube |
WO2009115083A2 (en) * | 2008-03-20 | 2009-09-24 | Tesat-Spacecom Gmbh & Co. Kg | Rf component and the method thereof for surface finishing |
WO2009115083A3 (en) * | 2008-03-20 | 2009-11-26 | Tesat-Spacecom Gmbh & Co. Kg | Rf component and the method thereof for surface finishing |
Also Published As
Publication number | Publication date |
---|---|
JPS5640941B2 (en) | 1981-09-24 |
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