JPS52147054A - Electron cathode formation and its production - Google Patents
Electron cathode formation and its productionInfo
- Publication number
- JPS52147054A JPS52147054A JP6360176A JP6360176A JPS52147054A JP S52147054 A JPS52147054 A JP S52147054A JP 6360176 A JP6360176 A JP 6360176A JP 6360176 A JP6360176 A JP 6360176A JP S52147054 A JPS52147054 A JP S52147054A
- Authority
- JP
- Japan
- Prior art keywords
- production
- cathode formation
- electron cathode
- cathode filament
- electron
- 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.)
- Granted
Links
Landscapes
- Microwave Tubes (AREA)
Abstract
PURPOSE: Many holes are provided on the band-shaped thoriated tungsten wire and the cathode filament is formed by winding up spirally the wire, so that the cathode filament can be obtained which is long in life and well suitable for mass production and cheap in cost.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6360176A JPS52147054A (en) | 1976-06-02 | 1976-06-02 | Electron cathode formation and its production |
US06/010,311 US4230968A (en) | 1976-05-26 | 1979-02-07 | Cathode structure for magnetrons |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6360176A JPS52147054A (en) | 1976-06-02 | 1976-06-02 | Electron cathode formation and its production |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52147054A true JPS52147054A (en) | 1977-12-07 |
JPS6220650B2 JPS6220650B2 (en) | 1987-05-08 |
Family
ID=13233952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6360176A Granted JPS52147054A (en) | 1976-05-26 | 1976-06-02 | Electron cathode formation and its production |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52147054A (en) |
-
1976
- 1976-06-02 JP JP6360176A patent/JPS52147054A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6220650B2 (en) | 1987-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52147054A (en) | Electron cathode formation and its production | |
JPS5358199A (en) | Barbed plastic wire and production process therefor | |
JPS5245179A (en) | Method of manufacturing small size electric bulb | |
JPS5236782A (en) | Manufacturing method of komu type terminal | |
JPS5298373A (en) | Discharge lamp | |
JPS5218195A (en) | Superconducting wire process | |
JPS5226013A (en) | Compound tube | |
JPS52130273A (en) | Electron tube cathode | |
JPS52147055A (en) | Magnetron cathode formation and its production | |
JPS52132774A (en) | Electrode construction for electron tubes | |
JPS53962A (en) | Electronic tube cathode structure | |
JPS51133987A (en) | Electric bulb base and its manufacturing method | |
JPS5230150A (en) | Manufacturing system of electron radiation cathode rod | |
JPS52131287A (en) | Cutting method of filament | |
JPS5376739A (en) | Manufacture of cathode-ray tube | |
JPS5440559A (en) | Cathode structure of magnetron and its manufacture | |
JPS5210049A (en) | Spiral antenna | |
JPS5212686A (en) | Fluorescent material excited by slow electronray | |
JPS5224070A (en) | Productio method of magnetron anode | |
JPS52113074A (en) | Halogen sealed electric bulb | |
JPS52116289A (en) | Gas detecting element and its production | |
JPS5223252A (en) | Method of positioning electrodes of electron tubes | |
JPS52119059A (en) | Electron gun device | |
JPS51123321A (en) | A process for manufacturing textured polyester filament yarns | |
JPS5232158A (en) | Manufacturing method of heat conductive pipe with inner fins |