GB491287A - Improvements in secondary electron emitting electrodes suitable for electron discharge devices - Google Patents
Improvements in secondary electron emitting electrodes suitable for electron discharge devicesInfo
- Publication number
- GB491287A GB491287A GB578/38A GB57838A GB491287A GB 491287 A GB491287 A GB 491287A GB 578/38 A GB578/38 A GB 578/38A GB 57838 A GB57838 A GB 57838A GB 491287 A GB491287 A GB 491287A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- electron
- borate
- jan
- conductive base
- 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
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/32—Secondary-electron-emitting electrodes
Landscapes
- Discharge Lamp (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US123203A US2147669A (en) | 1937-01-30 | 1937-01-30 | Secondary electron emitting electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB491287A true GB491287A (en) | 1938-08-30 |
Family
ID=22407273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB578/38A Expired GB491287A (en) | 1937-01-30 | 1938-01-07 | Improvements in secondary electron emitting electrodes suitable for electron discharge devices |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2147669A (enrdf_load_stackoverflow) |
| BE (1) | BE426040A (enrdf_load_stackoverflow) |
| CH (1) | CH204059A (enrdf_load_stackoverflow) |
| DE (1) | DE750047C (enrdf_load_stackoverflow) |
| GB (1) | GB491287A (enrdf_load_stackoverflow) |
| NL (1) | NL51148C (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2428289A (en) * | 1942-11-07 | 1947-09-30 | Charles Schiffman | Electron tube coating |
| US2443324A (en) * | 1942-11-07 | 1948-06-15 | Charles Schiffman | Electronic tube |
| US2527981A (en) * | 1945-08-23 | 1950-10-31 | Bramley Jenny | Secondary-electron emission |
| US2639963A (en) * | 1948-04-05 | 1953-05-26 | Sylvania Electric Prod | Secondary emitter and method of manufacture |
| US2530946A (en) * | 1949-04-02 | 1950-11-21 | Bell Telephone Labor Inc | Secondary electron emitter |
| US2846338A (en) * | 1954-08-03 | 1958-08-05 | William G Shepherd | Secondary electron emitter |
| US4047999A (en) * | 1974-09-19 | 1977-09-13 | Francis John Salgo | Method of making a mobile ion film memory |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE356578A (enrdf_load_stackoverflow) * | 1927-12-14 | |||
| US2141322A (en) * | 1935-06-25 | 1938-12-27 | Rca Corp | Cascaded secondary electron emitter amplifier |
-
0
- NL NL51148D patent/NL51148C/xx active
- BE BE426040D patent/BE426040A/xx unknown
-
1937
- 1937-01-30 US US123203A patent/US2147669A/en not_active Expired - Lifetime
-
1938
- 1938-01-07 GB GB578/38A patent/GB491287A/en not_active Expired
- 1938-01-28 CH CH204059D patent/CH204059A/de unknown
- 1938-02-01 DE DER101443D patent/DE750047C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE750047C (de) | 1944-12-11 |
| US2147669A (en) | 1939-02-21 |
| BE426040A (enrdf_load_stackoverflow) | |
| NL51148C (enrdf_load_stackoverflow) | |
| CH204059A (de) | 1939-04-15 |
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