IT992766B - Tubo a fascio elettronico periodico messo a fuoco magneticamente - Google Patents

Tubo a fascio elettronico periodico messo a fuoco magneticamente

Info

Publication number
IT992766B
IT992766B IT27320/73A IT2732073A IT992766B IT 992766 B IT992766 B IT 992766B IT 27320/73 A IT27320/73 A IT 27320/73A IT 2732073 A IT2732073 A IT 2732073A IT 992766 B IT992766 B IT 992766B
Authority
IT
Italy
Prior art keywords
beam tube
electronic beam
periodic electronic
magnetically focused
focused periodic
Prior art date
Application number
IT27320/73A
Other languages
English (en)
Inventor
A Scott
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
Application granted granted Critical
Publication of IT992766B publication Critical patent/IT992766B/it

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
IT27320/73A 1972-08-07 1973-07-31 Tubo a fascio elettronico periodico messo a fuoco magneticamente IT992766B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT992766B true IT992766B (it) 1975-09-30

Family

ID=23064862

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27320/73A IT992766B (it) 1972-08-07 1973-07-31 Tubo a fascio elettronico periodico messo a fuoco magneticamente

Country Status (7)

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

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
WO2005017939A2 (en) * 2003-06-30 2005-02-24 Massachusetts Institute Of Technology Ribbon-beam travelling wave amplifier with a single-sided slow-wave structure
US7193485B2 (en) 2003-08-12 2007-03-20 James A. Dayton, Jr. Method and apparatus for bi-planar backward wave oscillator
US7679462B2 (en) 2006-07-13 2010-03-16 Manhattan Technologies, Llc Apparatus and method for producing electromagnetic oscillations
WO2010065170A1 (en) * 2008-08-20 2010-06-10 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
FR2195838B1 (it) 1977-02-25
IL42696A (en) 1976-02-29
IL42696A0 (en) 1973-10-25
FR2195838A1 (it) 1974-03-08
US3787747A (en) 1974-01-22
DE2338061A1 (de) 1974-02-21
JPS49124962A (it) 1974-11-29
GB1406938A (en) 1975-09-17

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