BE359997A - - Google Patents
Info
- Publication number
- BE359997A BE359997A BE359997DA BE359997A BE 359997 A BE359997 A BE 359997A BE 359997D A BE359997D A BE 359997DA BE 359997 A BE359997 A BE 359997A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT311705X | 1928-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE359997A true BE359997A (en) |
Family
ID=3671355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE359997D BE359997A (en) | 1928-05-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE359997A (en) |
| DE (1) | DE578123C (en) |
| FR (1) | FR673964A (en) |
| GB (1) | GB311705A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL50262C (en) * | 1937-03-30 | |||
| DE914418C (en) * | 1939-02-19 | 1954-07-01 | Fernseh Gmbh | Discharge tubes with a secondary emitting insulating surface |
| DE1189648B (en) * | 1962-08-07 | 1965-03-25 | Bosch Elektronik Gmbh | Method for producing a gas discharge lamp, in particular a discharge flash lamp, and device for this |
| CN105023820B (en) * | 2014-04-29 | 2017-03-15 | 安徽华东光电技术研究所 | Vacuum treatment method of multi-injection cathode assembly |
-
0
- BE BE359997D patent/BE359997A/xx unknown
-
1929
- 1929-04-10 DE DEV25133D patent/DE578123C/en not_active Expired
- 1929-04-24 FR FR673964D patent/FR673964A/en not_active Expired
- 1929-04-25 GB GB12866/29A patent/GB311705A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR673964A (en) | 1930-01-22 |
| DE578123C (en) | 1933-06-09 |
| GB311705A (en) | 1930-06-05 |