NL6914678A - - Google Patents
Info
- Publication number
- NL6914678A NL6914678A NL6914678A NL6914678A NL6914678A NL 6914678 A NL6914678 A NL 6914678A NL 6914678 A NL6914678 A NL 6914678A NL 6914678 A NL6914678 A NL 6914678A NL 6914678 A NL6914678 A NL 6914678A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/36—Tubes with flat electrodes, e.g. disc electrode
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/027—Construction of the gun or parts thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76279768A | 1968-09-26 | 1968-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6914678A true NL6914678A (cs) | 1970-04-01 |
Family
ID=25066056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6914678A NL6914678A (cs) | 1968-09-26 | 1969-09-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3648096A (cs) |
| DE (1) | DE1948820A1 (cs) |
| FR (1) | FR2063018A1 (cs) |
| GB (1) | GB1281913A (cs) |
| NL (1) | NL6914678A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004424A1 (en) * | 1978-03-23 | 1979-10-03 | Thorn Emi-Varian Limited | Thermionic cathode |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2449796C3 (de) * | 1974-10-19 | 1980-03-06 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorratskathode für eine gittergesteuerte Elektronenröhre und Verfahren zu ihrer Herstellung |
| US3967150A (en) * | 1975-01-31 | 1976-06-29 | Varian Associates | Grid controlled electron source and method of making same |
| US4263528A (en) * | 1978-05-03 | 1981-04-21 | Varian Associates, Inc. | Grid coating for thermionic electron emission suppression |
| US4250428A (en) * | 1979-05-09 | 1981-02-10 | The United States Of America As Represented By The Secretary Of The Army | Bonded cathode and electrode structure with layered insulation, and method of manufacture |
| FR2469792A1 (fr) * | 1979-11-09 | 1981-05-22 | Thomson Csf | Cathode thermo-ionique, son procede de fabrication et tube electronique incorporant une telle cathode |
| RU2290713C1 (ru) * | 2005-06-23 | 2006-12-27 | Государственное унитарное предприятие "Всероссийский электротехнический институт им. В.И. Ленина" | Пучково-плазменный свч-прибор |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1632135A (en) * | 1920-04-01 | 1927-06-14 | Western Electric Co | Electrode structure for electron-discharge devices |
| NL6504397A (cs) * | 1965-04-07 | 1966-10-10 |
-
1968
- 1968-09-26 US US762797A patent/US3648096A/en not_active Expired - Lifetime
-
1969
- 1969-09-08 GB GB44294/69A patent/GB1281913A/en not_active Expired
- 1969-09-26 FR FR6933045A patent/FR2063018A1/fr not_active Withdrawn
- 1969-09-26 NL NL6914678A patent/NL6914678A/xx unknown
- 1969-09-26 DE DE19691948820 patent/DE1948820A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004424A1 (en) * | 1978-03-23 | 1979-10-03 | Thorn Emi-Varian Limited | Thermionic cathode |
Also Published As
| Publication number | Publication date |
|---|---|
| US3648096A (en) | 1972-03-07 |
| DE1948820A1 (de) | 1970-04-02 |
| GB1281913A (en) | 1972-07-19 |
| FR2063018A1 (cs) | 1971-07-02 |