FR1442922A - System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes - Google Patents
System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubesInfo
- Publication number
- FR1442922A FR1442922A FR27811A FR27811A FR1442922A FR 1442922 A FR1442922 A FR 1442922A FR 27811 A FR27811 A FR 27811A FR 27811 A FR27811 A FR 27811A FR 1442922 A FR1442922 A FR 1442922A
- Authority
- FR
- France
- Prior art keywords
- concentrating
- guide
- electron beam
- permanent magnets
- traveling wave
- 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
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR27811A FR1442922A (en) | 1964-08-12 | 1965-08-10 | System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0092602 | 1964-08-12 | ||
FR27811A FR1442922A (en) | 1964-08-12 | 1965-08-10 | System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1442922A true FR1442922A (en) | 1966-06-17 |
Family
ID=25997756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR27811A Expired FR1442922A (en) | 1964-08-12 | 1965-08-10 | System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1442922A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2555744A1 (en) * | 1975-03-17 | 1976-09-23 | Ibm | MAGNETIC LENS |
-
1965
- 1965-08-10 FR FR27811A patent/FR1442922A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2555744A1 (en) * | 1975-03-17 | 1976-09-23 | Ibm | MAGNETIC LENS |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK103681C (en) | Permanent magnet system for controlling an electron beam over a longer distance, in particular for traveling wave tubes. | |
IT1027671B (en) | JUNCTION FOR LIGHT WAVE GUIDES | |
FR1494002A (en) | Light beam deflection system | |
DK119472B (en) | Method of culturing a virus. | |
BE812531A (en) | CATHOD BEAM TUBE WITH FAST RETURNING CATHODE | |
FR1442922A (en) | System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes | |
FR1513734A (en) | Distortion correction system for moving spot analyzers | |
NL159809B (en) | ELECTROMAGNETIC DEFLECTION Yokes. | |
IT1026105B (en) | COLLECTION OF IONS IN A PLASMA BY ACCELERATING A MAGNETIC FIELD WITH SELECTIVE POLARIZATION | |
FR1389878A (en) | System with permanent magnets to guide by concentrating on a long path the electron beam of an electric discharge tube more particularly for traveling wave tubes | |
BE813271R (en) | CATHOD BEAM TUBE WITH FAST RETURNING CATHODE | |
FR1442923A (en) | Focusing device for guiding an electron beam by concentrating it over a long path, more particularly for traveling wave tubes | |
FR1418392A (en) | Periodic permanent magnet electron beam concentrating device for traveling wave tubes | |
DK120048B (en) | Apparatus for making reinforced plastic tubes with at least one horizontally arranged centrifugal ion. | |
FR1525902A (en) | Improvements to optical systems for simultaneous guidance of a plurality of mobile units by multiple guiding beams | |
FR1538769A (en) | System of permanent magnets to produce a longitudinal magnetic field, intended to guide, by concentrating it, the electron beam of a tube with transit time | |
FR1372136A (en) | Permanent magnet system, especially for high power traveling wave tubes | |
NL145393B (en) | COMPACT ELECTROMAGNETIC DEFLECTING Yokes FOR AN ELECTRON BEAM TUBE. | |
FR1439341A (en) | Glass ceramic object, reinforced on its surface by ion exchange | |
FR1471751A (en) | Traveling wave tube fitted with a permanent magnet system | |
NL144431B (en) | RUNNING WAVE TUBE WITH A MAGNETIC FOCUSING SYSTEM THAT GENERATES A PERIODIC FIELD DISTRIBUTION. | |
FR1204164A (en) | Permanent magnet system for magnetron tubes | |
FR1465311A (en) | System of permanent magnets, in particular for traveling wave tubes | |
FR1465312A (en) | Improvements to permanent magnet systems, in particular for traveling wave tubes | |
FR1377728A (en) | System of permanent magnets, especially for traveling wave tubes |