JPS6349331B2 - - Google Patents
Info
- Publication number
- JPS6349331B2 JPS6349331B2 JP1964781A JP1964781A JPS6349331B2 JP S6349331 B2 JPS6349331 B2 JP S6349331B2 JP 1964781 A JP1964781 A JP 1964781A JP 1964781 A JP1964781 A JP 1964781A JP S6349331 B2 JPS6349331 B2 JP S6349331B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- nickel
- mesh
- cathodes
- electron tube
- 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
Landscapes
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1964781A JPS57134836A (en) | 1981-02-13 | 1981-02-13 | Cathode for electron tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1964781A JPS57134836A (en) | 1981-02-13 | 1981-02-13 | Cathode for electron tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57134836A JPS57134836A (en) | 1982-08-20 |
JPS6349331B2 true JPS6349331B2 (enrdf_load_stackoverflow) | 1988-10-04 |
Family
ID=12005024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1964781A Granted JPS57134836A (en) | 1981-02-13 | 1981-02-13 | Cathode for electron tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57134836A (enrdf_load_stackoverflow) |
-
1981
- 1981-02-13 JP JP1964781A patent/JPS57134836A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57134836A (en) | 1982-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2912611A (en) | Thermionic cathodes | |
US4675570A (en) | Tungsten-iridium impregnated cathode | |
US3879830A (en) | Cathode for electron discharge device having highly adherent emissive coating of nickel and nickel coated carbonates | |
US3110081A (en) | Manufacture of thermionic bodies | |
US4982133A (en) | Dispenser cathode and manufacturing method therefor | |
US2945150A (en) | Thermionic cathodes and methods of making | |
US4626470A (en) | Impregnated cathode | |
JPH04232252A (ja) | ディスペーサーカソード用のスパッタリングされたスカンジュウム酸化物被覆およびその製造方法 | |
JPS6349331B2 (enrdf_load_stackoverflow) | ||
US3238596A (en) | Method of fabricating a matrix cathode | |
CA1150763A (en) | Method of fabricating a dispenser cathode | |
JPS6360499B2 (enrdf_load_stackoverflow) | ||
US2858470A (en) | Cathode for electron discharge devices | |
US3722045A (en) | Methods of improving adherence of emissive material in thermionic cathodes | |
EP0157634B1 (en) | Tungsten-iridium impregnated cathode | |
US3015560A (en) | Method of fabricating cathode for electron discharge devices | |
US2744838A (en) | Electron discharge device cathode and method of making same | |
Tuck | The use of platinum metals in modern thermionic emitters | |
KR20000009399A (ko) | 음극선관용 음극 및 그 제조방법 | |
US3166836A (en) | Manufacture of electron tube cathodes | |
JPS5835337B2 (ja) | ニジデンシホウシヤソウオユウスル デンキヨク | |
JPS612226A (ja) | 含浸形陰極 | |
JPH0562686A (ja) | アルカリ蓄電池用基板およびその製造法 | |
JPS6017831A (ja) | 含浸型陰極 | |
JP2685835B2 (ja) | 含浸型陰極の製造方法 |