FR1085710A - Porous emissive cathodes - Google Patents
Porous emissive cathodesInfo
- Publication number
- FR1085710A FR1085710A FR1085710DA FR1085710A FR 1085710 A FR1085710 A FR 1085710A FR 1085710D A FR1085710D A FR 1085710DA FR 1085710 A FR1085710 A FR 1085710A
- Authority
- FR
- France
- Prior art keywords
- emissive cathodes
- porous
- porous emissive
- cathodes
- emissive
- Prior art date
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2708052A GB733191A (en) | 1952-10-28 | 1952-10-28 | Improvements relating to cathodes for electron emissive devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1085710A true FR1085710A (en) | 1955-02-07 |
Family
ID=10253839
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1085710D Expired FR1085710A (en) | 1952-10-28 | 1953-10-28 | Porous emissive cathodes |
FR67359D Expired FR67359E (en) | 1952-10-28 | 1954-11-05 | Porous emissive cathodes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR67359D Expired FR67359E (en) | 1952-10-28 | 1954-11-05 | Porous emissive cathodes |
Country Status (2)
Country | Link |
---|---|
FR (2) | FR1085710A (en) |
GB (1) | GB733191A (en) |
-
1952
- 1952-10-28 GB GB2708052A patent/GB733191A/en not_active Expired
-
1953
- 1953-10-28 FR FR1085710D patent/FR1085710A/en not_active Expired
-
1954
- 1954-11-05 FR FR67359D patent/FR67359E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB733191A (en) | 1955-07-06 |
FR67359E (en) | 1958-03-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH328590A (en) | Thermionic cathode | |
FR1078606A (en) | Improvements to emissive cathodes | |
FR1085711A (en) | Advanced emissive cathodes | |
CH319026A (en) | Indirectly heated cathode | |
FR1053508A (en) | Improvements to thermionic cathodes | |
CH318309A (en) | Cathode | |
CH315730A (en) | electron microscope | |
FR1085710A (en) | Porous emissive cathodes | |
FR1060976A (en) | Thermionic cathode | |
FR1081526A (en) | Cathode enhancements | |
AT185472B (en) | cathode | |
CH320915A (en) | cathode | |
FR1053139A (en) | Improvements to thermionic cathodes | |
FR1089526A (en) | Cathode | |
AT190590B (en) | Oxide cathode | |
FR1111931A (en) | Thermionic cathode | |
FR1064865A (en) | Improvements to sintered thermionic cathodes | |
FR1033986A (en) | Thermoelectronic cathode | |
FR1060057A (en) | Electron tube | |
AT191436B (en) | Graphite anode | |
FR1103262A (en) | Improvements to thermionic cathodes | |
ES33958Y (en) | Electrode | |
FR1009479A (en) | Thermionic cathodes | |
AT180340B (en) | Hot cathode | |
ES27543Y (en) | Cathode |