NL298401A - - Google Patents
Info
- Publication number
- NL298401A NL298401A NL298401DA NL298401A NL 298401 A NL298401 A NL 298401A NL 298401D A NL298401D A NL 298401DA NL 298401 A NL298401 A NL 298401A
- 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
- H01J1/14—Solid thermionic cathodes characterised by the 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 |
|---|---|---|---|
| CH1142262A CH403090A (en) | 1962-09-27 | 1962-09-27 | Hot cathode for electron tubes and process for their manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL298401A true NL298401A (en) | 1965-11-25 |
Family
ID=4373329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL298401D NL298401A (en) | 1962-09-27 | 1963-09-25 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH403090A (en) |
| FR (1) | FR1370363A (en) |
| GB (1) | GB1015272A (en) |
| NL (1) | NL298401A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5814016B2 (en) * | 1978-03-31 | 1983-03-17 | 株式会社日立製作所 | Substrate metal plate material for directly heated oxide cathode |
| US7795792B2 (en) * | 2006-02-08 | 2010-09-14 | Varian Medical Systems, Inc. | Cathode structures for X-ray tubes |
-
1962
- 1962-09-27 CH CH1142262A patent/CH403090A/en unknown
-
1963
- 1963-09-25 GB GB3770963A patent/GB1015272A/en not_active Expired
- 1963-09-25 FR FR44028A patent/FR1370363A/en not_active Expired
- 1963-09-25 NL NL298401D patent/NL298401A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1015272A (en) | 1965-12-31 |
| CH403090A (en) | 1965-11-30 |
| FR1370363A (en) | 1964-08-21 |