IL42696A - Periodic magnetically focused beam tube - Google Patents

Periodic magnetically focused beam tube

Info

Publication number
IL42696A
IL42696A IL42696A IL4269673A IL42696A IL 42696 A IL42696 A IL 42696A IL 42696 A IL42696 A IL 42696A IL 4269673 A IL4269673 A IL 4269673A IL 42696 A IL42696 A IL 42696A
Authority
IL
Israel
Prior art keywords
slab
disposed
major face
sheet
dielectric slab
Prior art date
Application number
IL42696A
Other languages
English (en)
Other versions
IL42696A0 (en
Original Assignee
Varian Associates
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Varian Associates filed Critical Varian Associates
Publication of IL42696A0 publication Critical patent/IL42696A0/xx
Publication of IL42696A publication Critical patent/IL42696A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
    • 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)
IL42696A 1972-08-07 1973-07-09 Periodic magnetically focused beam tube IL42696A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27840872A 1972-08-07 1972-08-07

Publications (2)

Publication Number Publication Date
IL42696A0 IL42696A0 (en) 1973-10-25
IL42696A true IL42696A (en) 1976-02-29

Family

ID=23064862

Family Applications (1)

Application Number Title Priority Date Filing Date
IL42696A IL42696A (en) 1972-08-07 1973-07-09 Periodic magnetically focused beam tube

Country Status (7)

Country Link
US (1) US3787747A (fr)
JP (1) JPS49124962A (fr)
DE (1) DE2338061A1 (fr)
FR (1) FR2195838B1 (fr)
GB (1) GB1406938A (fr)
IL (1) IL42696A (fr)
IT (1) IT992766B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909651A (en) * 1974-08-15 1975-09-30 Us Army Low-cost periodic permanent magnet and electrostatic focusing scheme for electron tubes
US3982152A (en) * 1974-11-25 1976-09-21 Raytheon Company Cascade crossed field device
US3971965A (en) * 1975-03-31 1976-07-27 The United States Of America As Represented By The Secretary Of The Army Internally-focused traveling wave tube
US4107573A (en) * 1977-02-02 1978-08-15 The United States Of America As Represented By The Secretary Of The Army Printed circuit traveling wave tube
US4232249A (en) * 1978-09-28 1980-11-04 Bell Telephone Laboratories, Incorporated Beam-switched traveling wave tube
US4392078A (en) * 1980-12-10 1983-07-05 General Electric Company Electron discharge device with a spatially periodic focused beam
US5227691A (en) * 1989-05-24 1993-07-13 Matsushita Electric Industrial Co., Ltd. Flat tube display apparatus
AU6086994A (en) * 1993-01-11 1994-08-15 Real Time Electronics Corporation High frequency scan converter
US6700454B2 (en) 2001-06-29 2004-03-02 Zvi Yaniv Integrated RF array using carbon nanotube cathodes
US7037370B2 (en) * 2003-02-06 2006-05-02 Mearini Gerald T Free-standing diamond structures and methods
FR2856189B1 (fr) * 2003-06-10 2007-02-16 Hutchinson Procede de fabrication d'un dispositif de codage magnetique, ainsi que le dispositif ainsi obtenu
US7538608B2 (en) * 2003-06-30 2009-05-26 Massachusetts Institute Of Technology Photonic crystal ribbon-beam traveling wave amplifier
US7193485B2 (en) 2003-08-12 2007-03-20 James A. Dayton, Jr. Method and apparatus for bi-planar backward wave oscillator
WO2008008504A2 (fr) * 2006-07-13 2008-01-17 Manhattan Technologies, Llc Appareil et procédé pour produire des oscillations électromagnétiques
US20100045160A1 (en) * 2008-08-20 2010-02-25 Manhattan Technologies Ltd. Multibeam doubly convergent electron gun
US8723137B1 (en) * 2012-10-17 2014-05-13 Innosys, Inc Hybrid magnet for vacuum electronic device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2812470A (en) * 1954-10-22 1957-11-05 Bell Telephone Labor Inc Periodic focusing in traveling wave tubes
US2911555A (en) * 1957-09-04 1959-11-03 Hughes Aircraft Co Traveling-wave tube
US3102211A (en) * 1959-08-19 1963-08-27 Varian Associates Adiabatic beam condenser method and apparatus
US3231780A (en) * 1960-10-14 1966-01-25 Sfd Lab Inc Meandering slow wave circuit having high impedance stub support means
US3504222A (en) * 1966-10-07 1970-03-31 Hitachi Ltd Slow-wave circuit including meander line and shielding therefor
US3610999A (en) * 1970-02-05 1971-10-05 Varian Associates Slow wave circuit and method of fabricating same
US3670196A (en) * 1971-02-24 1972-06-13 Raytheon Co Helix delay line for traveling wave devices
US3705327A (en) * 1971-06-02 1972-12-05 Allan W Scott Microwave generator with interleaved focusing and interaction structures

Also Published As

Publication number Publication date
IT992766B (it) 1975-09-30
FR2195838B1 (fr) 1977-02-25
FR2195838A1 (fr) 1974-03-08
US3787747A (en) 1974-01-22
JPS49124962A (fr) 1974-11-29
GB1406938A (en) 1975-09-17
IL42696A0 (en) 1973-10-25
DE2338061A1 (de) 1974-02-21

Similar Documents

Publication Publication Date Title
IL42696A (en) Periodic magnetically focused beam tube
US4461688A (en) Magnetically enhanced sputtering device having a plurality of magnetic field sources including improved plasma trapping device and method
US4162954A (en) Planar magnetron sputtering device
US3519854A (en) Thermionic converter with hall effect collection means
JPS60194072A (ja) 十字電磁界ダイオ−ド・スパツタリング・タ−ゲツト集成体
GB1403172A (en) Miniaturized microwave beam tube
EP0276090B1 (fr) Collecteur à particules chargées
GB654386A (en) Improvements in or relating to high frequency electronic discharge devices
US2797360A (en) Travelling wave amplifiers
US3324339A (en) Periodic permanent magnet electron beam focusing arrangement for traveling-wave tubes having plural interaction cavities in bore of each annular magnet
US3958147A (en) Traveling-wave tube with improved periodic permanent magnet focusing arrangement integrated with coupled cavity slow-wave structure
GB1451956A (en) Travelling wave tubes
US4597847A (en) Non-magnetic sputtering target
US2651000A (en) Reflex velocity modulated discharge device
CA1160672A (fr) Tube cathodique plat
GB1467487A (en) X-ray tubes
JPS5951446A (ja) 荷電粒子ビ−ムの軌道の偏向を変化させる方法
US2376707A (en) Space discharge device
JPH0621041A (ja) プレーナマグネトロンスパッタ装置
US3896329A (en) Permanent magnet beam focus structure for linear beam tubes
JPS6329786B2 (fr)
US2882439A (en) Travelling wave tube device
US2934666A (en) Electron gun
US3226587A (en) Cathode ray tube and magnetic deflection means therefor
US3316439A (en) Electron beam device