NL272248A - - Google Patents
Info
- Publication number
- NL272248A NL272248A NL272248DA NL272248A NL 272248 A NL272248 A NL 272248A NL 272248D A NL272248D A NL 272248DA NL 272248 A NL272248 A NL 272248A
- 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
- H01J1/26—Supports for the emissive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR847062A FR1282691A (fr) | 1960-12-15 | 1960-12-15 | Perfectionnement aux cathodes à oxydes à chauffage indirect pour tubes électroniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL272248A true NL272248A (zh) |
Family
ID=8744850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL272248D NL272248A (zh) | 1960-12-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3262814A (zh) |
| DE (1) | DE1146207B (zh) |
| FR (1) | FR1282691A (zh) |
| GB (1) | GB994471A (zh) |
| LU (1) | LU40949A1 (zh) |
| NL (1) | NL272248A (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3500454A (en) * | 1967-11-16 | 1970-03-10 | Sylvania Electric Prod | Insulator heater coating for heater-cathode assembly |
| 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 |
| US4009409A (en) * | 1975-09-02 | 1977-02-22 | Gte Sylvania Incorporated | Fast warmup cathode and method of making same |
| NL8002665A (nl) * | 1980-05-09 | 1981-12-01 | Philips Nv | Werkwijze voor het van een thermisch zwart oppervlak voorzien van een metalen onderdeel. |
| JPH0677435B2 (ja) * | 1985-03-18 | 1994-09-28 | 株式会社日立製作所 | 傍熱形陰極の製造方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL81097C (zh) * | 1947-02-15 | Gen Electric | ||
| BE518861A (zh) * | 1952-04-01 | |||
| US2817572A (en) * | 1954-04-06 | 1957-12-24 | Telefunken Ges Fur Drahtlase T | Electrodes for electron discharge tubes |
| US2891879A (en) * | 1957-07-26 | 1959-06-23 | Westinghouse Electric Corp | Black coating of high thermal emissivity and process for applying the same |
| BE571711A (zh) * | 1957-10-04 | |||
| US2987423A (en) * | 1958-09-26 | 1961-06-06 | Rca Corp | Heat radiating coatings |
| US3068337A (en) * | 1958-12-05 | 1962-12-11 | Gen Electric | Vaporizer and method for making the same |
| NL101694C (zh) * | 1959-03-06 |
-
0
- NL NL272248D patent/NL272248A/xx unknown
-
1960
- 1960-12-15 FR FR847062A patent/FR1282691A/fr not_active Expired
-
1961
- 1961-12-12 LU LU40949D patent/LU40949A1/xx unknown
- 1961-12-12 GB GB44443/61A patent/GB994471A/en not_active Expired
- 1961-12-12 DE DEN20942A patent/DE1146207B/de active Pending
- 1961-12-14 US US159255A patent/US3262814A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1146207B (de) | 1963-03-28 |
| US3262814A (en) | 1966-07-26 |
| FR1282691A (fr) | 1962-01-27 |
| GB994471A (en) | 1965-06-10 |
| LU40949A1 (zh) | 1962-02-12 |