NL268393A - - Google Patents
Info
- Publication number
- NL268393A NL268393A NL268393DA NL268393A NL 268393 A NL268393 A NL 268393A NL 268393D A NL268393D A NL 268393DA NL 268393 A NL268393 A NL 268393A
- Authority
- NL
- Netherlands
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
- H01J1/22—Heaters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50706A US3195004A (en) | 1960-08-19 | 1960-08-19 | Cathode heater for electron discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL268393A true NL268393A (xx) |
Family
ID=21966900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL268393D NL268393A (xx) | 1960-08-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3195004A (xx) |
| DE (1) | DE1141388B (xx) |
| ES (1) | ES269986A1 (xx) |
| GB (1) | GB922440A (xx) |
| NL (1) | NL268393A (xx) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3246197A (en) * | 1962-10-02 | 1966-04-12 | Westinghouse Electric Corp | Cathode heater having an aluminum oxide and tungesten coating |
| FR1355710A (fr) * | 1963-02-06 | 1964-03-20 | Radiotechnique | Perfectionnement aux filaments de chauffage de cathodes pour tubes électroniques |
| DE1281039B (de) * | 1963-09-25 | 1968-10-24 | Telefunken Patent | Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren |
| FR1398135A (fr) * | 1964-03-27 | 1965-05-07 | Commissariat Energie Atomique | Procédé de stabilisation de sources thermoioniques et source thermoionique conforme à celles obtenues par application dudit procédé ou d'un procédé analogue |
| US3328201A (en) * | 1964-04-27 | 1967-06-27 | Rca Corp | Heater for electron tubes |
| US3737714A (en) * | 1964-12-18 | 1973-06-05 | Sylvania Electric Prod | Dark coated heater for vacuum tube cathode |
| US3450565A (en) * | 1964-12-18 | 1969-06-17 | Sylvania Electric Prod | Method of coating heater coils |
| GB1129615A (en) * | 1965-03-11 | 1968-10-09 | English Electric Valve Co Ltd | Improvements in or relating to electron discharge device cathodes |
| US3401297A (en) * | 1965-08-23 | 1968-09-10 | Varian Associates | Thermionic cathodes for electron discharge devices with improved refractory metal heater wires |
| NL6512348A (xx) * | 1965-09-23 | 1967-03-28 | ||
| US3494779A (en) * | 1965-09-29 | 1970-02-10 | Ncr Co | Oxygen-dominated phosphor films |
| SE337065B (xx) * | 1967-03-07 | 1971-07-26 | Varian Associates | |
| US3500454A (en) * | 1967-11-16 | 1970-03-10 | Sylvania Electric Prod | Insulator heater coating for heater-cathode assembly |
| DE2317445C3 (de) * | 1973-04-06 | 1982-09-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zum Herstellen eines Heizkörpers für eine indirekt geheizte Kathode |
| DE2317446C3 (de) * | 1973-04-06 | 1983-11-10 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zum Herstellen eines Heizelementes für eine indirekt geheizte Kathode |
| US4126489A (en) * | 1973-07-17 | 1978-11-21 | Varian Associates, Inc. | Method of making cathode heaters |
| JPS5165861A (en) * | 1974-12-05 | 1976-06-07 | Sony Corp | Toranjisutano baiasukairo |
| US10741351B1 (en) * | 2019-08-01 | 2020-08-11 | Lockheed Martin Corporation | Multi-apertured conduction heater |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL38569C (xx) * | 1933-06-24 | |||
| US2724788A (en) * | 1952-02-12 | 1955-11-22 | Electrons Inc | Indirectly heated cathode for gas tubes |
| US3029360A (en) * | 1958-04-29 | 1962-04-10 | Rca Corp | Heater wire coating process |
| US3005926A (en) * | 1959-05-22 | 1961-10-24 | Westinghouse Electric Corp | Cathode for electron discharge device |
| NL250741A (xx) * | 1959-07-16 |
-
0
- NL NL268393D patent/NL268393A/xx unknown
-
1960
- 1960-08-19 US US50706A patent/US3195004A/en not_active Expired - Lifetime
-
1961
- 1961-07-18 DE DER30772A patent/DE1141388B/de active Pending
- 1961-07-21 GB GB26618/61A patent/GB922440A/en not_active Expired
- 1961-08-18 ES ES0269986A patent/ES269986A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1141388B (de) | 1962-12-20 |
| GB922440A (en) | 1963-04-03 |
| US3195004A (en) | 1965-07-13 |
| ES269986A1 (es) | 1961-11-16 |