GB658779A - Electron lenses for use in vacuum tubes - Google Patents
Electron lenses for use in vacuum tubesInfo
- Publication number
- GB658779A GB658779A GB28183/48A GB2818348A GB658779A GB 658779 A GB658779 A GB 658779A GB 28183/48 A GB28183/48 A GB 28183/48A GB 2818348 A GB2818348 A GB 2818348A GB 658779 A GB658779 A GB 658779A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resonator
- low potential
- electrode
- oct
- slot
- 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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/12—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator with pencil-like electron stream in the axis of the resonators
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
658,779. Electric discharge apparatus. STANDARD TELEPHONES & CABLES, Ltd. Oct. 29, 1948, No. 28183. Convention date, Oct. 31, 1947. [Class 39 (i)] In a velocity-modulated tube, Fig. 2, in which the beam from an electron gun 6 is passed, after velocity modulation by the bunched resonator 10, through a low potential drift tube 11 and then through a catcher resonator 12, the resonator 12 is conically shaped at 19 to focus the beam, and the conical portion is, as shown in Fig. 4, circumferentially slotted at 3 and has a low potential electrode 5 disposed behind the slot so arranged as to correct aberration of the beam due to its modulation. The low potential electrode 5 may be secured, Fig. 5, by conducting brackets 27 extending from the drift electrode 11. In this case the brackets extend through holes in the resonator walls and the electrode 5 is covered by a housing 30 welded to the inside wall of the resonator to prevent interference. More than one slot and associated low potential electrode may be provided in the conical element 19, Fig. 6 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR658779X | 1947-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB658779A true GB658779A (en) | 1951-10-10 |
Family
ID=9009299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28183/48A Expired GB658779A (en) | 1947-10-31 | 1948-10-29 | Electron lenses for use in vacuum tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB658779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594530A (en) * | 1983-05-20 | 1986-06-10 | Cgr Mev | Accelerating self-focusing cavity for charged particles |
-
1948
- 1948-10-29 GB GB28183/48A patent/GB658779A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594530A (en) * | 1983-05-20 | 1986-06-10 | Cgr Mev | Accelerating self-focusing cavity for charged particles |
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