CH344139A - Supply cathode for electric discharge tubes - Google Patents
Supply cathode for electric discharge tubesInfo
- Publication number
- CH344139A CH344139A CH344139DA CH344139A CH 344139 A CH344139 A CH 344139A CH 344139D A CH344139D A CH 344139DA CH 344139 A CH344139 A CH 344139A
- Authority
- CH
- Switzerland
- Prior art keywords
- electric discharge
- discharge tubes
- supply cathode
- cathode
- supply
- Prior art date
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 |
---|---|
CH344139A true CH344139A (en) | 1960-01-31 |
Family
ID=24105076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH344139D CH344139A (en) | 1955-08-15 | 1956-08-13 | Supply cathode for electric discharge tubes |
Country Status (6)
Country | Link |
---|---|
US (1) | US2864028A (en) |
BE (1) | BE550302A (en) |
CH (1) | CH344139A (en) |
DE (1) | DE1047321B (en) |
FR (1) | FR1173168A (en) |
GB (1) | GB800219A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1180435B (en) * | 1958-12-12 | 1964-10-29 | Varta Ag | Continuous process for the production of sintered frameworks for foil electrodes, in particular strip electrodes, for electric accumulators |
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 (en) * | 1979-11-09 | 1981-05-22 | Thomson Csf | THERMO-IONIC CATHODE, ITS MANUFACTURING METHOD, AND ELECTRONIC TUBE INCORPORATING SUCH A CATHODE |
EP0121564B1 (en) * | 1982-10-12 | 1987-11-25 | Hughes Aircraft Company | Method for fabricating a dispenser-reservoir housing for a dispenser cathode |
DE3913338C2 (en) * | 1989-04-22 | 1999-12-02 | Aeg Elektronische Roehren Gmbh | Investment material, in particular for cathodes of electron tubes, method for producing such an investment material and use of such an investment material |
FR2647952A1 (en) * | 1989-05-30 | 1990-12-07 | Thomson Tubes Electroniques | IMPREGNATED THERMOELECTRONIC CATHODE FOR ELECTRONIC TUBE |
JPH11339633A (en) * | 1997-11-04 | 1999-12-10 | Sony Corp | Impregnated cathode and manufacture therefor and electron gun and electronic tube |
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 (en) * | 1942-08-19 | 1953-06-15 | Siemens Ag | Cathode for generating an electron beam |
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 (en) * | 1951-11-20 | 1953-11-02 | Siemens Ag | Cathode for electrical discharge vessels |
NL83577C (en) * | 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/en active Pending
- 1956-08-13 CH CH344139D patent/CH344139A/en unknown
- 1956-08-14 FR FR1173168D patent/FR1173168A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE550302A (en) | |
FR1173168A (en) | 1959-02-20 |
GB800219A (en) | 1958-08-20 |
US2864028A (en) | 1958-12-09 |
DE1047321B (en) | 1958-12-24 |
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