BE673331A - - Google Patents
Info
- Publication number
- BE673331A BE673331A BE673331DA BE673331A BE 673331 A BE673331 A BE 673331A BE 673331D A BE673331D A BE 673331DA BE 673331 A BE673331 A BE 673331A
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US418591A US3400294A (en) | 1964-12-07 | 1964-12-07 | Heated cathode and method of manufacture |
| US680517A US3528156A (en) | 1964-12-07 | 1967-11-03 | Method of manufacturing heated cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE673331A true BE673331A (xx) | 1966-04-01 |
Family
ID=27024193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE673331D BE673331A (xx) | 1964-12-07 | 1965-12-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US3400294A (xx) |
| BE (1) | BE673331A (xx) |
| FR (1) | FR1460995A (xx) |
| NL (1) | NL6515865A (xx) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3581144A (en) * | 1969-03-27 | 1971-05-25 | Gen Electric | Metal-clad insulated electrical heater |
| US3671792A (en) * | 1969-10-29 | 1972-06-20 | Itt | Fast warm-up indirectly heated cathode structure |
| US3710161A (en) * | 1970-10-30 | 1973-01-09 | Gen Electric | Quick-heating impregnated planar cathode |
| US3722045A (en) * | 1971-06-30 | 1973-03-27 | Gte Sylvania Inc | Methods of improving adherence of emissive material in thermionic cathodes |
| US3720985A (en) * | 1971-06-30 | 1973-03-20 | Gte Sylvania Inc | Method of improving adherence of emissive material in thermionic cathodes |
| JPS51147171A (en) * | 1975-06-11 | 1976-12-17 | Sony Corp | Flat surface multilayer cathode |
| FR2476386A1 (fr) * | 1980-02-15 | 1981-08-21 | Thomson Csf | Element chauffant pour cathode a chauffage indirect, procede de fabrication d'un tel element et cathode a chauffage indirect comportant un tel element |
| US5713775A (en) * | 1995-05-02 | 1998-02-03 | Massachusetts Institute Of Technology | Field emitters of wide-bandgap materials and methods for their fabrication |
| US6984928B2 (en) * | 2002-03-05 | 2006-01-10 | Mineta Company Ltd. | Coil filament |
| US20200113020A1 (en) * | 2018-10-05 | 2020-04-09 | Serendipity Technologies Llc | Low power high-efficiency heating element |
| US20210106056A1 (en) * | 2019-10-10 | 2021-04-15 | Tuanfang Liu | Atomization core |
| US11244800B2 (en) | 2020-06-18 | 2022-02-08 | Axcelis Technologies, Inc. | Stepped indirectly heated cathode with improved shielding |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1431825A (en) * | 1921-07-18 | 1922-10-10 | Lemoine Henri Guido | Electric resistance heater |
| US2451297A (en) * | 1944-08-01 | 1948-10-12 | Rca Corp | Rugged gaseous discharge triodes |
| US2577239A (en) * | 1949-09-12 | 1951-12-04 | Eitel Mccullough Inc | Cathode and heater structure for electron tubes |
| US2981897A (en) * | 1954-10-22 | 1961-04-25 | Gen Electric | Electric discharge device and socket |
| US3041209A (en) * | 1955-06-28 | 1962-06-26 | Gen Electric | Method of making a thermionic cathode |
| US2864968A (en) * | 1955-10-14 | 1958-12-16 | Varian Associates | Cathode structure |
| GB820504A (en) * | 1956-07-20 | 1959-09-23 | Mullard Radio Valve Co Ltd | Improvements in and relating to cathodes |
| US3226806A (en) * | 1960-03-18 | 1966-01-04 | Eitel Mccullough Inc | Method of making a cathode heater assembly |
| FR1260743A (fr) * | 1960-03-31 | 1961-05-12 | Thomson Houston Comp Francaise | Procédé de fabrication de cathodes à chauffage indirect pour tubes électroniqueset cathodes fabriquées suivant ce procédé |
| US3307241A (en) * | 1963-10-14 | 1967-03-07 | Litton Prec Products Inc | Process for making cathodes |
-
1964
- 1964-12-07 US US418591A patent/US3400294A/en not_active Expired - Lifetime
-
1965
- 1965-12-06 BE BE673331D patent/BE673331A/xx unknown
- 1965-12-07 NL NL6515865A patent/NL6515865A/xx unknown
- 1965-12-07 FR FR41173A patent/FR1460995A/fr not_active Expired
-
1967
- 1967-11-03 US US680517A patent/US3528156A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL6515865A (xx) | 1966-06-08 |
| US3400294A (en) | 1968-09-03 |
| FR1460995A (fr) | 1966-12-02 |
| US3528156A (en) | 1970-09-15 |