GB749830A - A method of making grids for electron-discharge devices - Google Patents
A method of making grids for electron-discharge devicesInfo
- Publication number
- GB749830A GB749830A GB309153A GB309153A GB749830A GB 749830 A GB749830 A GB 749830A GB 309153 A GB309153 A GB 309153A GB 309153 A GB309153 A GB 309153A GB 749830 A GB749830 A GB 749830A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electron
- discharge devices
- ring
- making grids
- vanes
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
- H01J2893/0022—Manufacture
Landscapes
- Radiation-Therapy Devices (AREA)
Abstract
749,830. Velocity-modulated tubes. SPERRY CORPORATION. Feb. 3, 1953, No. 3091/53. Class 39 (1). [Also in Group XXII] A grid for a klystron comprises a ring 27 and a plurality of arcuate vanes 26 extending across the aperture of the ring. The ring has a diameter of the order of <SP>1</SP>/ 10 th of an inch and is preferably of gold, copper or nickel; the vanes may be of tungsten or molybdenum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB309153A GB749830A (en) | 1953-02-03 | 1953-02-03 | A method of making grids for electron-discharge devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB309153A GB749830A (en) | 1953-02-03 | 1953-02-03 | A method of making grids for electron-discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB749830A true GB749830A (en) | 1956-06-06 |
Family
ID=9751774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB309153A Expired GB749830A (en) | 1953-02-03 | 1953-02-03 | A method of making grids for electron-discharge devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB749830A (en) |
-
1953
- 1953-02-03 GB GB309153A patent/GB749830A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1262408A (en) | X-ray generating assembly and system | |
GB534696A (en) | Improvements in or relating to electron discharge devices for very high frequencies | |
GB749830A (en) | A method of making grids for electron-discharge devices | |
GB1477501A (en) | Counting devices | |
GB592532A (en) | Improvements in or relating to electron discharge devices | |
GB925551A (en) | Periodic electrostatically focused beam tubes | |
GB592750A (en) | Improvements in or relating to electron discharge apparatus and electrodes for use therein | |
GB579384A (en) | Improvements in or relating to electron discharge devices | |
GB712266A (en) | Improvements in velocity-modulation tubes | |
GB790406A (en) | Velocity-modulated electron tube apparatus | |
GB812597A (en) | Electron gun for tubular beam | |
GB717034A (en) | Improvements in or relating to the manufacture of porous metal bodies | |
GB694844A (en) | Contact arrangement for the electron tubes of high frequency apparatus | |
GB943485A (en) | Apparatus and method for generating brillouin electron flow | |
GB716684A (en) | Electron tubes | |
GB744815A (en) | Electron discharge tube grid production | |
GB522496A (en) | Improvements in or relating to thermionic valves | |
GB478373A (en) | Improvements in cathodes and other electrodes of thermionic discharge apparatus | |
GB759552A (en) | A grid for electric discharge tubes | |
GB579965A (en) | Improvements in the manufacture of cathode-ray tubes | |
GB618364A (en) | Improvements in or relating to electron discharge devices | |
GB807971A (en) | Improvements in or relating to methods of manufacturing thermionic valves | |
GB984577A (en) | Method of manufacturing an electron tube | |
GB918602A (en) | Electron-beam tubes | |
GB582484A (en) | Improvements in resonators used with electron discharge devices of the velocity modulated type |