NL6807899A - - Google Patents
Info
- Publication number
- NL6807899A NL6807899A NL6807899A NL6807899A NL6807899A NL 6807899 A NL6807899 A NL 6807899A NL 6807899 A NL6807899 A NL 6807899A NL 6807899 A NL6807899 A NL 6807899A NL 6807899 A NL6807899 A NL 6807899A
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- 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
- H01J9/047—Cathodes having impregnated bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2593967 | 1967-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6807899A true NL6807899A (https=) | 1968-12-09 |
Family
ID=10235778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6807899A NL6807899A (https=) | 1967-06-06 | 1968-06-05 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1570127A (https=) |
| NL (1) | NL6807899A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH582951A5 (https=) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie |
-
1968
- 1968-06-05 NL NL6807899A patent/NL6807899A/xx unknown
- 1968-06-06 FR FR1570127D patent/FR1570127A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1570127A (https=) | 1969-06-06 |