BE358352A - - Google Patents
Info
- Publication number
- BE358352A BE358352A BE358352DA BE358352A BE 358352 A BE358352 A BE 358352A BE 358352D A BE358352D A BE 358352DA BE 358352 A BE358352 A BE 358352A
- 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
-
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
- H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an 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
- 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 |
|---|---|---|---|
| DES85829D DE535091C (en) | 1928-05-26 | 1928-05-26 | Process for the production of glow cathodes in which barium is deposited directly on the core wire by distillation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE358352A true BE358352A (en) |
Family
ID=7512603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE358352D BE358352A (en) | 1928-05-26 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE358352A (en) |
| DE (1) | DE535091C (en) |
-
0
- BE BE358352D patent/BE358352A/xx unknown
-
1928
- 1928-05-26 DE DES85829D patent/DE535091C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE535091C (en) | 1931-10-05 |