BE518861A - - Google Patents
Info
- Publication number
- BE518861A BE518861A BE518861DA BE518861A BE 518861 A BE518861 A BE 518861A BE 518861D A BE518861D A BE 518861DA BE 518861 A BE518861 A BE 518861A
- 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
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US279888A US2723363A (en) | 1952-04-01 | 1952-04-01 | Cathode and method of producing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518861A true BE518861A (en) |
Family
ID=23070780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518861D BE518861A (en) | 1952-04-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2723363A (en) |
| BE (1) | BE518861A (en) |
| DE (1) | DE967715C (en) |
| FR (1) | FR1073802A (en) |
| GB (1) | GB725719A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2768321A (en) * | 1955-05-02 | 1956-10-23 | Rca Corp | Indirectly heated electron emitter for power tubes and the like |
| NL95320C (en) * | 1957-10-04 | |||
| US3034479A (en) * | 1957-10-17 | 1962-05-15 | Larsh | Apparatus for flow coating the slots of a slotted stator |
| DE1080700B (en) * | 1958-05-17 | 1960-04-28 | Deutsche Elektronik Gmbh | Process for the production of an indirectly heated cathode, in particular for magnetrons with high oscillating power, and cathode produced according to this process |
| NL272248A (en) * | 1960-12-15 | |||
| GB1004776A (en) * | 1961-03-15 | 1965-09-15 | Gen Electric | Improvements in cathode construction |
| DE1133835B (en) * | 1961-12-16 | 1962-07-26 | Telefunken Patent | Process for the production of an indirectly heated cathode for an electrical discharge tube |
| US3475161A (en) * | 1967-03-14 | 1969-10-28 | Howmet Corp | Method of forming cemented carbide coatings on metal surfaces by employing volatile,organic liquid solvents and organic binders |
| US3958146A (en) * | 1974-02-08 | 1976-05-18 | Gte Sylvania Incorporated | Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof |
| US3881126A (en) * | 1974-03-06 | 1975-04-29 | Gte Sylvania Inc | Fast warm-up cathode assembly |
| US4569198A (en) * | 1983-03-11 | 1986-02-11 | Technion, Incorporated | Heater/emitter assembly |
| USRE32918E (en) * | 1983-03-11 | 1989-05-09 | Technion, Inc. | Heater/emitter assembly |
| US4730449A (en) * | 1983-07-26 | 1988-03-15 | Technion, Inc. | Radiation transfer thrusters for low thrust applications |
| DE19828158C1 (en) * | 1998-06-24 | 1999-11-25 | Siemens Ag | Indirectly heated cathode, especially for X-ray tube |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1886705A (en) * | 1926-02-06 | 1932-11-08 | Arsene N Lucian | Indirect electron excitation for thermionic vacuum tubes |
| US2115828A (en) * | 1935-04-13 | 1938-05-03 | Bell Telephone Labor Inc | Electron emitting cathode and method of preparation |
| DE710283C (en) * | 1936-10-03 | 1941-09-09 | Aeg | Coating of tantalum carbide on non-emission electrodes of electrical discharge vessels and method for its application |
| DE715156C (en) * | 1937-07-23 | 1941-12-16 | Aeg | Method for applying a coating of zirconium and / or niobium carbide or a coating made from an admixture of these carbides to tantalum carbide on electrodes that are not used for emission |
| US2284655A (en) * | 1939-10-26 | 1942-06-02 | Lorenz C Ag | Electric discharge tube |
| NL54775C (en) * | 1940-01-24 | |||
| NL65083C (en) * | 1942-02-06 | |||
| US2438732A (en) * | 1947-03-15 | 1948-03-30 | Eitel Mcculough Inc | Electron tube cathode |
-
0
- BE BE518861D patent/BE518861A/xx unknown
-
1952
- 1952-04-01 US US279888A patent/US2723363A/en not_active Expired - Lifetime
-
1953
- 1953-03-25 GB GB8242/53A patent/GB725719A/en not_active Expired
- 1953-03-27 FR FR1073802D patent/FR1073802A/en not_active Expired
- 1953-04-02 DE DEG11418A patent/DE967715C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2723363A (en) | 1955-11-08 |
| GB725719A (en) | 1955-03-09 |
| FR1073802A (en) | 1954-09-29 |
| DE967715C (en) | 1957-12-05 |