GB492055A - Improvements in secondary emission electron multipliers - Google Patents
Improvements in secondary emission electron multipliersInfo
- Publication number
- GB492055A GB492055A GB973237A GB973237A GB492055A GB 492055 A GB492055 A GB 492055A GB 973237 A GB973237 A GB 973237A GB 973237 A GB973237 A GB 973237A GB 492055 A GB492055 A GB 492055A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emission electron
- secondary emission
- electron multipliers
- multipliers
- specifications
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
- H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/32—Secondary emission electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electron Tubes For Measurement (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
In a multi-stage secondary emission electron multiplier, an anode and plates which provide the electric field are formed of a copper-nickel alloy. Specifications 345,375 and 492,059, [both in Group XL], are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB973237A GB492055A (en) | 1937-04-06 | 1937-04-06 | Improvements in secondary emission electron multipliers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB973237A GB492055A (en) | 1937-04-06 | 1937-04-06 | Improvements in secondary emission electron multipliers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB492055A true GB492055A (en) | 1938-09-14 |
Family
ID=9877700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB973237A Expired GB492055A (en) | 1937-04-06 | 1937-04-06 | Improvements in secondary emission electron multipliers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB492055A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750071C (en) * | 1939-06-21 | 1944-12-12 | Process for the production of electron multipliers with electrodes of different secondary emissivity |
-
1937
- 1937-04-06 GB GB973237A patent/GB492055A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750071C (en) * | 1939-06-21 | 1944-12-12 | Process for the production of electron multipliers with electrodes of different secondary emissivity |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB492055A (en) | Improvements in secondary emission electron multipliers | |
GB498843A (en) | Improvements in or relating to electron multiplier discharge devices | |
GB482168A (en) | Improvement in secondary electron emission electrode | |
AU105214B2 (en) | Improvements in or relating to secondary emission electron multipliers | |
AU108153B2 (en) | Improvements in or relating to secondary emission electron multipliers | |
GB469283A (en) | Improvements in or relating to secondary emission electron multipliers | |
AU316137A (en) | Improvements in or relating to secondary emission electron multipliers | |
AU403337A (en) | Improvements in or relating to secondary emission electron multipliers | |
AU110472B2 (en) | Improvements in thermionic rectifiers feeding secondary emission electron multipliers | |
GB403604A (en) | Improvements in and relating to electric discharge devices | |
AU299139A (en) | Improvements in thermionic rectifiers feeding secondary emission electron multipliers | |
AU108587B2 (en) | Improvements in or relating to electron discharge tubes embodying secondary electron emissive electrodes | |
AU105634B2 (en) | Improvements in or relating to electric discharge tubes having secondary emission electrodes | |
AU106359B2 (en) | Improvements in or relating to electric discharge tubes having secondary emission electrodes | |
AU113340B2 (en) | Improvements in electric modulating arrangements comprising an electron multiplier | |
AU102525B2 (en) | Secondary electron multiplier | |
GB513879A (en) | Improvements in or relating to electron multipliers | |
GB423092A (en) | Improvements in or relating to electron discharge devices | |
GB442414A (en) | Improvements in and relating to grid-controlled electric discharge rectifiers | |
GB486709A (en) | Electric condensers | |
AU428638A (en) | Improvements in or relating to electron discharge tubes embodying secondary electron emissive electrodes | |
AU105208B2 (en) | Improvements in or relating to secondary emissive electron discharge tubes | |
AU121038A (en) | Improvements in or relating to electric discharge tubes having secondary emission electrodes | |
AU65238A (en) | Improvements in or relating to electric discharge tubes having secondary emission electrodes | |
GB469111A (en) | Improvements in or relating to electron discharge apparatus |