BE625855A - - Google Patents

Info

Publication number
BE625855A
BE625855A BE625855DA BE625855A BE 625855 A BE625855 A BE 625855A BE 625855D A BE625855D A BE 625855DA BE 625855 A BE625855 A BE 625855A
Authority
BE
Belgium
Application number
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.)
Publication of BE625855A publication Critical patent/BE625855A/xx
Priority to US179853A priority Critical patent/US3109123A/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/04Cathodes
    • H01J23/05Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/30Cold cathodes, e.g. field-emissive cathode
    • H01J1/304Field-emissive cathodes
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
    • H01J21/06Tubes with a single discharge path having electrostatic control means only
    • H01J21/10Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/14Tubes with means for concentrating the electron stream, e.g. beam tetrode
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/42Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587Multi-cavity magnetrons
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/46Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0029Electron beam tubes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/46Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H05H2001/4645Radiofrequency discharges
    • H05H2001/4652Inductively coupled
    • H05H2001/466Electrodes
BE625855D 1962-03-15 BE625855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US179853A US3109123A (en) 1962-03-15 1962-03-15 Electron discharge devices with a sharp edged cathode

Publications (1)

Publication Number Publication Date
BE625855A true BE625855A (en)

Family

ID=22658253

Family Applications (1)

Application Number Title Priority Date Filing Date
BE625855D BE625855A (en) 1962-03-15

Country Status (6)

Country Link
US (1) US3109123A (en)
BE (1) BE625855A (en)
DE (1) DE1441243B2 (en)
GB (1) GB969833A (en)
NL (2) NL285091A (en)
SE (1) SE316239B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305753A (en) * 1963-05-03 1967-02-21 Westinghouse Electric Corp Magnetron having magnetic bias of such strength as to make cyclotron frequency equal to twice pi frequency, useful for cold cathode operation
US3619709A (en) * 1970-07-06 1971-11-09 Ratheon Co Gridded crossed field traveling wave device
US3921027A (en) * 1974-09-13 1975-11-18 Joe Shelton Microwave beam tube
US4894586A (en) * 1988-02-18 1990-01-16 Litton Systems, Inc. Crossed-field amplifier bias circuit and method for improved starting
US4975656A (en) * 1989-03-31 1990-12-04 Litton Systems, Inc. Enhanced secondary electron emitter
US5159241A (en) * 1990-10-25 1992-10-27 General Dynamics Corporation Air Defense Systems Division Single body relativistic magnetron
RU2007777C1 (en) * 1992-04-15 1994-02-15 Предприятие "Плутон" Magnetron
US5327094A (en) * 1992-12-11 1994-07-05 Litton Systems, Inc. Jitter suppression in crossed-field amplifier by use of field emitter
IL106905A (en) * 1993-09-03 1997-01-10 Israel State Magnetron construction particularly useful as a relativistic magnetron
JP3390562B2 (en) * 1994-06-28 2003-03-24 シャープ株式会社 Magnetron and microwave oven
US5874806A (en) * 1996-10-02 1999-02-23 Litton Systems, Inc. Passive jitter reduction in crossed-field amplifier with secondary emission material on anode vanes
JP3333421B2 (en) * 1997-02-28 2002-10-15 シャープ株式会社 Flat magnetron
RU2133515C1 (en) * 1997-12-09 1999-07-20 Махов Владимир Ильич Cathode unit for electronic devices and electronic device
US6686696B2 (en) * 2001-03-08 2004-02-03 Genvac Aerospace Corporation Magnetron with diamond coated cathode
US20100062288A1 (en) * 2005-11-18 2010-03-11 David Weber System for generation of useful electrical energy from isotopic electron emission

Also Published As

Publication number Publication date
SE316239B (en) 1969-10-20
NL285091A (en)
DE1441243A1 (en) 1970-07-09
NL130734C (en)
US3109123A (en) 1963-10-29
DE1441243B2 (en) 1970-07-09
GB969833A (en) 1964-09-16

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