BE550302A - - Google Patents
Info
- Publication number
- BE550302A BE550302A BE550302DA BE550302A BE 550302 A BE550302 A BE 550302A BE 550302D A BE550302D A BE 550302DA BE 550302 A BE550302 A BE 550302A
- Authority
- BE
- Belgium
Links
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
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US528296A US2864028A (en) | 1955-08-15 | 1955-08-15 | Thermionic dispenser cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE550302A true BE550302A (instruction) |
Family
ID=24105076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE550302D BE550302A (instruction) | 1955-08-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2864028A (instruction) |
| BE (1) | BE550302A (instruction) |
| CH (1) | CH344139A (instruction) |
| DE (1) | DE1047321B (instruction) |
| FR (1) | FR1173168A (instruction) |
| GB (1) | GB800219A (instruction) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1180435B (de) * | 1958-12-12 | 1964-10-29 | Varta Ag | Kontinuierliches Verfahren zur Herstellung gesinterter Gerueste fuer Folienelektroden, insbesondere Bandelektroden, fuer elektrische Akkumulatoren |
| US3113236A (en) * | 1959-06-23 | 1963-12-03 | Philips Corp | Oxide dispenser type cathode |
| US3258636A (en) * | 1961-09-01 | 1966-06-28 | Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal | |
| US3594885A (en) * | 1969-06-16 | 1971-07-27 | Varian Associates | Method for fabricating a dimpled concave dispenser cathode incorporating a grid |
| GB1582837A (en) * | 1976-07-10 | 1981-01-14 | Emi Varian Ltd | Electron emitter |
| US4101800A (en) * | 1977-07-06 | 1978-07-18 | The United States Of America As Represented By The Secretary Of The Navy | Controlled-porosity dispenser cathode |
| GB2100502B (en) * | 1978-11-30 | 1983-08-03 | Varian Associates | Dispenser cathodes |
| FR2469792A1 (fr) * | 1979-11-09 | 1981-05-22 | Thomson Csf | Cathode thermo-ionique, son procede de fabrication et tube electronique incorporant une telle cathode |
| JPS59501887A (ja) * | 1982-10-12 | 1984-11-08 | ヒユ−ズ・エアクラフト・カンパニ− | 制御された有孔性のデイスペンサ陰極 |
| DE3913338C2 (de) * | 1989-04-22 | 1999-12-02 | Aeg Elektronische Roehren Gmbh | Einbettmasse, insbesondere für Kathoden von Elektronenröhren, Verfahren zur Herstellung einer solchen Einbettmasse und Verwendung einer solchen Einbettmasse |
| FR2647952A1 (fr) * | 1989-05-30 | 1990-12-07 | Thomson Tubes Electroniques | Cathode thermoelectronique impregnee pour tube electronique |
| JPH11339633A (ja) * | 1997-11-04 | 1999-12-10 | Sony Corp | 含浸型陰極およびその製造方法、並びに電子銃および電子管 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2121589A (en) * | 1934-06-28 | 1938-06-21 | Westinghouse Electric & Mfg Co | Emissive incandescent cathode |
| GB450035A (en) * | 1935-05-07 | 1936-07-09 | Ets Claude Paz & Silva | Improvements in electrodes for high-pressure metallic vapour electric discharge tubes |
| US2452075A (en) * | 1941-12-18 | 1948-10-26 | Raytheon Mfg Co | Velocity modulation electron discharge tube |
| DE879872C (de) * | 1942-08-19 | 1953-06-15 | Siemens Ag | Kathode zur Erzeugung eines Elektronenstrahles |
| US2459841A (en) * | 1943-06-08 | 1949-01-25 | Glenn F Rouse | Cathode |
| US2647216A (en) * | 1950-04-01 | 1953-07-28 | Rca Corp | Dispenser cathode |
| DE895479C (de) * | 1951-11-20 | 1953-11-02 | Siemens Ag | Kathode fuer elektrische Entladungsgefaesse |
| NL83577C (instruction) * | 1952-07-23 |
-
0
- BE BE550302D patent/BE550302A/xx unknown
-
1955
- 1955-08-15 US US528296A patent/US2864028A/en not_active Expired - Lifetime
-
1956
- 1956-08-10 GB GB24558/56A patent/GB800219A/en not_active Expired
- 1956-08-11 DE DEN12600A patent/DE1047321B/de active Pending
- 1956-08-13 CH CH344139D patent/CH344139A/de unknown
- 1956-08-14 FR FR1173168D patent/FR1173168A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB800219A (en) | 1958-08-20 |
| US2864028A (en) | 1958-12-09 |
| CH344139A (de) | 1960-01-31 |
| FR1173168A (fr) | 1959-02-20 |
| DE1047321B (de) | 1958-12-24 |