NL8020101A - Omkeerbaar periodiek magnetisch focusseersysteem. - Google Patents
Omkeerbaar periodiek magnetisch focusseersysteem. Download PDFInfo
- Publication number
- NL8020101A NL8020101A NL8020101A NL8020101A NL8020101A NL 8020101 A NL8020101 A NL 8020101A NL 8020101 A NL8020101 A NL 8020101A NL 8020101 A NL8020101 A NL 8020101A NL 8020101 A NL8020101 A NL 8020101A
- Authority
- NL
- Netherlands
- Prior art keywords
- pole shoes
- grids
- meshes
- permanent magnets
- pole
- Prior art date
Links
- 230000002441 reversible effect Effects 0.000 title claims description 32
- 230000000737 periodic effect Effects 0.000 title claims description 21
- 230000006698 induction Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 230000005415 magnetization Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Microwave Tubes (AREA)
- Particle Accelerators (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU8000008 | 1980-01-28 | ||
| PCT/SU1980/000008 WO1981002221A1 (fr) | 1980-01-28 | 1980-01-28 | Systeme de focalisation magnetique periodique reversible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8020101A true NL8020101A (nl) | 1981-12-01 |
Family
ID=21616579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8020101A NL8020101A (nl) | 1980-01-28 | 1980-01-28 | Omkeerbaar periodiek magnetisch focusseersysteem. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4433270A (enExample) |
| JP (1) | JPS57500217A (enExample) |
| DE (1) | DE3050257C1 (enExample) |
| NL (1) | NL8020101A (enExample) |
| WO (1) | WO1981002221A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3248693A1 (de) * | 1982-12-30 | 1984-07-05 | Siemens AG, 1000 Berlin und 8000 München | Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem |
| FR2637122A1 (fr) * | 1988-09-23 | 1990-03-30 | Thomson Csf | Dispositif correcteur de trajectoires pour tube electronique |
| US5332948A (en) * | 1992-05-13 | 1994-07-26 | Litton Systems, Inc. | X-z geometry periodic permanent magnet focusing system |
| US5744910A (en) * | 1993-04-02 | 1998-04-28 | Litton Systems, Inc. | Periodic permanent magnet focusing system for electron beam |
| US5932972A (en) * | 1997-02-24 | 1999-08-03 | Litton Systems, Inc. | Electron gun for a multiple beam klystron |
| AU4242600A (en) | 1999-04-20 | 2000-11-02 | Cytologix Corporation | Fluid exchange in a chamber on a microscope slide |
| RU2152142C1 (ru) * | 1999-10-13 | 2000-06-27 | Богомолов Алексей Сергеевич | Способ и устройство получения ускоренных заряженных частиц |
| US6856081B2 (en) * | 2002-07-09 | 2005-02-15 | Communications & Power Industries, Inc. | Method and apparatus for magnetic focusing of off-axis electron beam |
| US7116051B2 (en) * | 2003-07-16 | 2006-10-03 | Vancil Bernard K | Multibeam klystron |
| FR2925217B1 (fr) * | 2007-12-14 | 2013-05-24 | Thales Sa | Structure hyperfrequences pour tube microondes avec dispositif de confinement du faisceau a aimants permanents et refroidissement ameliore |
| WO2012057166A1 (ja) * | 2010-10-27 | 2012-05-03 | 株式会社Ｐａｒａｍ | 電子レンズおよび電子ビーム装置 |
| CN119764144B (zh) * | 2024-12-27 | 2025-11-21 | 北京真空电子技术研究所(中国电子科技集团公司第十二研究所） | 一种磁四极子周期单元、聚焦系统及聚焦阵列 |
| CN119811959B (zh) * | 2025-01-06 | 2025-11-25 | 北京真空电子技术研究所(中国电子科技集团公司第十二研究所） | 一种二维平面阵列多通道周期永磁聚焦系统及其设计方法 |
| CN120149131B (zh) * | 2025-03-18 | 2025-11-14 | 北京真空电子技术研究所(中国电子科技集团公司第十二研究所） | 一种一维阵列多通道周期永磁聚焦系统及其设计方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE22389E (en) * | 1940-07-13 | 1943-11-02 | Electron beam concentrating | |
| US3021447A (en) * | 1953-02-06 | 1962-02-13 | Varian Associates | Electron tube apparatus |
| DE1190108B (de) * | 1955-09-29 | 1965-04-01 | Telefunken Patent | Einrichtung zur gebuendelten Fuehrung des Elektronenstrahles einer Lauffeldroehre |
| US3020440A (en) * | 1959-06-25 | 1962-02-06 | Rca Corp | Electron beam device |
| NL279385A (enExample) * | 1961-06-09 | |||
| NL133615C (enExample) * | 1962-10-04 | |||
| DE1491426A1 (de) * | 1964-08-12 | 1969-05-22 | Siemens Ag | Permanentmagnetsystem zur gebuendelten Fuehrung eines Elektrodenstrahls ueber eine lengere Wegstrecke,insbesondere fuer Wanderfeldroehren |
| US3436588A (en) * | 1966-11-10 | 1969-04-01 | Varian Associates | Electrostatically focused klystron having cavities with common wall structures and reentrant focusing lens housings |
| US3475644A (en) * | 1967-04-14 | 1969-10-28 | Varian Associates | Linear beam tube employing a shielded beam focus solenoid having a reentrant cathode pole piece |
| US3665242A (en) * | 1970-07-01 | 1972-05-23 | Philips Corp | Permanent magnetic focusing device for multi-cavity klystrons |
| GB1528155A (en) * | 1973-02-16 | 1978-10-11 | English Electric Valve Co Ltd | Travelling wave tubes |
| GB1528156A (en) * | 1973-02-16 | 1978-10-11 | English Electric Valve Co Ltd | Travelling wave tubes |
| GB1451956A (en) * | 1973-02-16 | 1976-10-06 | English Electric Valve Co Ltd | Travelling wave tubes |
| SU661642A1 (ru) * | 1975-11-17 | 1979-05-05 | Предприятие П/Я М-5174 | Магнитна линза |
-
1980
- 1980-01-28 JP JP55501668A patent/JPS57500217A/ja active Pending
- 1980-01-28 US US06/293,627 patent/US4433270A/en not_active Expired - Fee Related
- 1980-01-28 DE DE19803050257 patent/DE3050257C1/de not_active Expired
- 1980-01-28 WO PCT/SU1980/000008 patent/WO1981002221A1/ru not_active Ceased
- 1980-01-28 NL NL8020101A patent/NL8020101A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US4433270A (en) | 1984-02-21 |
| DE3050257A1 (en) | 1982-03-25 |
| WO1981002221A1 (fr) | 1981-08-06 |
| DE3050257C1 (de) | 1984-10-04 |
| JPS57500217A (enExample) | 1982-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1A | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BI | The patent application has been withdrawn |