FR2126685A5 - - Google Patents
Info
- Publication number
- FR2126685A5 FR2126685A5 FR7146965A FR7146965A FR2126685A5 FR 2126685 A5 FR2126685 A5 FR 2126685A5 FR 7146965 A FR7146965 A FR 7146965A FR 7146965 A FR7146965 A FR 7146965A FR 2126685 A5 FR2126685 A5 FR 2126685A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2106745A DE2106745C3 (en) | 1971-02-12 | 1971-02-12 | Indirectly heated multi-purpose storage cathode for electrical discharge vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2126685A5 true FR2126685A5 (en) | 1972-10-06 |
Family
ID=5798602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7146965A Expired FR2126685A5 (en) | 1971-02-12 | 1971-12-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3719855A (en) |
| DE (1) | DE2106745C3 (en) |
| FR (1) | FR2126685A5 (en) |
| GB (1) | GB1359582A (en) |
| IT (1) | IT947378B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004006313A (en) * | 2002-04-18 | 2004-01-08 | Seiko Epson Corp | Manufacturing method of electro-optical device, electro-optical device, and electronic apparatus |
| CN104505321B (en) * | 2014-11-18 | 2016-08-17 | 安徽华东光电技术研究所 | Multi-beam cathode filament etching method |
| US11094493B2 (en) * | 2019-08-01 | 2021-08-17 | Lockheed Martin Corporation | Emitter structures for enhanced thermionic emission |
-
1971
- 1971-02-12 DE DE2106745A patent/DE2106745C3/en not_active Expired
- 1971-12-28 FR FR7146965A patent/FR2126685A5/fr not_active Expired
-
1972
- 1972-01-12 GB GB134872A patent/GB1359582A/en not_active Expired
- 1972-01-27 US US00221163A patent/US3719855A/en not_active Expired - Lifetime
- 1972-02-08 IT IT20319/72A patent/IT947378B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT947378B (en) | 1973-05-21 |
| DE2106745C3 (en) | 1974-01-03 |
| DE2106745B2 (en) | 1973-06-14 |
| GB1359582A (en) | 1974-07-10 |
| US3719855A (en) | 1973-03-06 |
| DE2106745A1 (en) | 1972-12-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |