BE697243A - - Google Patents
Info
- Publication number
- BE697243A BE697243A BE697243DA BE697243A BE 697243 A BE697243 A BE 697243A BE 697243D A BE697243D A BE 697243DA BE 697243 A BE697243 A BE 697243A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2563066 | 1966-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE697243A true BE697243A (en:Method) | 1967-10-02 |
Family
ID=12171171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE697243D BE697243A (en:Method) | 1966-04-20 | 1967-04-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3427491A (en:Method) |
| BE (1) | BE697243A (en:Method) |
| DE (1) | DE1589230B2 (en:Method) |
| GB (1) | GB1178051A (en:Method) |
| NL (1) | NL146636B (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3505553A (en) * | 1966-05-12 | 1970-04-07 | Philips Corp | Radio-interference-free low-pressure mercury-vapor lamp |
| US3684401A (en) * | 1970-11-17 | 1972-08-15 | Westinghouse Electric Corp | Cathode-getter materials for sputter-ion pumps |
| NL193963C (nl) * | 1994-05-04 | 2001-03-02 | Matsushita Electric Works Ltd | Elektrode voor toepassing in een fluorescerende lamp en werkwijze ter vervaardiging daarvan. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2473358A (en) * | 1946-08-23 | 1949-06-14 | Raytheon Mfg Co | Cathode coating for electron discharge devices |
| US2820920A (en) * | 1952-09-17 | 1958-01-21 | Claude Ets | Manufacture of coated electrodes |
| BE526330A (en:Method) * | 1953-02-09 | |||
| US2849637A (en) * | 1956-02-02 | 1958-08-26 | Weiss Harry | Electrode for fluorescent lamp |
| US3312856A (en) * | 1963-03-26 | 1967-04-04 | Gen Electric | Rhenium supported metallic boride cathode emitters |
-
1967
- 1967-04-12 GB GB06717/67A patent/GB1178051A/en not_active Expired
- 1967-04-14 NL NL676705289A patent/NL146636B/xx unknown
- 1967-04-17 US US631221A patent/US3427491A/en not_active Expired - Lifetime
- 1967-04-18 DE DE19671589230 patent/DE1589230B2/de not_active Withdrawn
- 1967-04-19 BE BE697243D patent/BE697243A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1178051A (en) | 1970-01-14 |
| DE1589230B2 (de) | 1972-01-13 |
| NL146636B (nl) | 1975-07-15 |
| NL6705289A (en:Method) | 1967-10-23 |
| US3427491A (en) | 1969-02-11 |
| DE1589230A1 (de) | 1970-12-03 |