NL146636B - IMPROVEMENT OF AN ELECTRODE FOR AN ELECTRIC DISCHARGE TUBE, AS WELL AS DISCHARGE TUBE FITTED WITH SUCH ELECTRODE. - Google Patents
IMPROVEMENT OF AN ELECTRODE FOR AN ELECTRIC DISCHARGE TUBE, AS WELL AS DISCHARGE TUBE FITTED WITH SUCH ELECTRODE.Info
- Publication number
- NL146636B NL146636B NL676705289A NL6705289A NL146636B NL 146636 B NL146636 B NL 146636B NL 676705289 A NL676705289 A NL 676705289A NL 6705289 A NL6705289 A NL 6705289A NL 146636 B NL146636 B NL 146636B
- Authority
- NL
- Netherlands
- Prior art keywords
- electrode
- discharge tube
- improvement
- well
- electric discharge
- Prior art date
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 (2)
Publication Number | Publication Date |
---|---|
NL6705289A NL6705289A (en) | 1967-10-23 |
NL146636B true NL146636B (en) | 1975-07-15 |
Family
ID=12171171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL676705289A NL146636B (en) | 1966-04-20 | 1967-04-14 | IMPROVEMENT OF AN ELECTRODE FOR AN ELECTRIC DISCHARGE TUBE, AS WELL AS DISCHARGE TUBE FITTED WITH SUCH ELECTRODE. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3427491A (en) |
BE (1) | BE697243A (en) |
DE (1) | DE1589230B2 (en) |
GB (1) | GB1178051A (en) |
NL (1) | NL146636B (en) |
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 (en) * | 1994-05-04 | 2001-03-02 | Matsushita Electric Works Ltd | Electrode for use in a fluorescent lamp and method for its manufacture. |
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) * | 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/en unknown
- 1967-04-17 US US631221A patent/US3427491A/en not_active Expired - Lifetime
- 1967-04-18 DE DE19671589230 patent/DE1589230B2/en not_active Withdrawn
- 1967-04-19 BE BE697243D patent/BE697243A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1589230B2 (en) | 1972-01-13 |
DE1589230A1 (en) | 1970-12-03 |
US3427491A (en) | 1969-02-11 |
NL6705289A (en) | 1967-10-23 |
GB1178051A (en) | 1970-01-14 |
BE697243A (en) | 1967-10-02 |
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