FR1425287A - Porous metal cathode - Google Patents
Porous metal cathodeInfo
- Publication number
- FR1425287A FR1425287A FR984533A FR984533A FR1425287A FR 1425287 A FR1425287 A FR 1425287A FR 984533 A FR984533 A FR 984533A FR 984533 A FR984533 A FR 984533A FR 1425287 A FR1425287 A FR 1425287A
- Authority
- FR
- France
- Prior art keywords
- porous metal
- metal cathode
- cathode
- porous
- metal
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR984533A FR1425287A (en) | 1964-08-05 | 1964-08-07 | Porous metal cathode |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6408978A NL6408978A (en) | 1964-08-05 | 1964-08-05 | |
FR984533A FR1425287A (en) | 1964-08-05 | 1964-08-07 | Porous metal cathode |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1425287A true FR1425287A (en) | 1966-01-24 |
Family
ID=26209320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR984533A Expired FR1425287A (en) | 1964-08-05 | 1964-08-07 | Porous metal cathode |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1425287A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010742A1 (en) * | 1978-11-06 | 1980-05-14 | Westinghouse Electric Corporation | H.I.D. lamp electrode comprising barium-calcium niobate or tantalate |
FR2514945A1 (en) * | 1981-10-20 | 1983-04-22 | Thomson Csf | Indirectly heated cathode e.g. for CRT - where thin tube made of refractory metal is used to carry pastille impregnated with emitter material, esp. barium scandate |
CN114644517A (en) * | 2022-03-29 | 2022-06-21 | 南京三乐集团有限公司 | High-performance aluminate source for terahertz traveling wave tube and preparation method thereof |
-
1964
- 1964-08-07 FR FR984533A patent/FR1425287A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010742A1 (en) * | 1978-11-06 | 1980-05-14 | Westinghouse Electric Corporation | H.I.D. lamp electrode comprising barium-calcium niobate or tantalate |
FR2514945A1 (en) * | 1981-10-20 | 1983-04-22 | Thomson Csf | Indirectly heated cathode e.g. for CRT - where thin tube made of refractory metal is used to carry pastille impregnated with emitter material, esp. barium scandate |
CN114644517A (en) * | 2022-03-29 | 2022-06-21 | 南京三乐集团有限公司 | High-performance aluminate source for terahertz traveling wave tube and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH473479A (en) | Electrochemical element | |
FR87362E (en) | Metal coffin | |
CH433817A (en) | Reference electrode | |
FR1396858A (en) | Porous metals | |
FR1476551A (en) | New styrylethanolamines | |
CH445308A (en) | Sledge | |
CH464542A (en) | Iron alloy | |
FR1425287A (en) | Porous metal cathode | |
CH466584A (en) | alloy | |
FR82442E (en) | Metal partition | |
FR1403907A (en) | Crane | |
FR1408409A (en) | Mobile crane | |
CH450733A (en) | Copper-iron-aluminum alloy | |
AT268349B (en) | Steel alloy | |
FR1455678A (en) | Alloy, indium-bismuth-gold | |
FR1411823A (en) | Metal seat | |
DK118615B (en) | Stencil. | |
FR1391956A (en) | Metal frame | |
AT256757B (en) | Pushbutton assembly | |
FR1409283A (en) | Phone | |
CH477755A (en) | Thermionic supply cathode | |
CH466583A (en) | alloy | |
FR1330789A (en) | Metal partition | |
FR94556E (en) | Metal frame. | |
CH409711A (en) | Small ringtone |