CA2404622C - Magnetrons - Google Patents

Magnetrons Download PDF

Info

Publication number
CA2404622C
CA2404622C CA2404622A CA2404622A CA2404622C CA 2404622 C CA2404622 C CA 2404622C CA 2404622 A CA2404622 A CA 2404622A CA 2404622 A CA2404622 A CA 2404622A CA 2404622 C CA2404622 C CA 2404622C
Authority
CA
Canada
Prior art keywords
magnetron
cathode
anode
decoupling plate
plate
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 - Lifetime
Application number
CA2404622A
Other languages
English (en)
French (fr)
Other versions
CA2404622A1 (en
Inventor
Kesar Saleem
Michael Barry Clive Brady
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Teledyne UK Ltd
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 Teledyne UK Ltd filed Critical Teledyne UK Ltd
Publication of CA2404622A1 publication Critical patent/CA2404622A1/en
Application granted granted Critical
Publication of CA2404622C publication Critical patent/CA2404622C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
    • H01J23/48—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit for linking interaction circuit with coaxial lines; Devices of the coupled helices type
    • 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
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/54—Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, 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
    • H01J25/58—Magnetrons, 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
    • H01J25/587—Multi-cavity magnetrons

Landscapes

  • Microwave Tubes (AREA)
  • Weting (AREA)
CA2404622A 2000-03-30 2001-03-30 Magnetrons Expired - Lifetime CA2404622C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0007783.4 2000-03-30
GB0007783A GB2368184B (en) 2000-03-30 2000-03-30 Magnetrons
PCT/GB2001/001473 WO2001075928A1 (en) 2000-03-30 2001-03-30 Magnetrons

Publications (2)

Publication Number Publication Date
CA2404622A1 CA2404622A1 (en) 2001-10-11
CA2404622C true CA2404622C (en) 2010-05-11

Family

ID=9888801

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2404622A Expired - Lifetime CA2404622C (en) 2000-03-30 2001-03-30 Magnetrons

Country Status (11)

Country Link
US (1) US7026761B2 (https=)
EP (1) EP1273023B1 (https=)
JP (1) JP4774181B2 (https=)
CN (1) CN1316538C (https=)
AT (1) ATE328361T1 (https=)
AU (1) AU2001242658A1 (https=)
CA (1) CA2404622C (https=)
DE (1) DE60120145T2 (https=)
ES (1) ES2265422T3 (https=)
GB (1) GB2368184B (https=)
WO (1) WO2001075928A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2457046A (en) * 2008-01-30 2009-08-05 E2V Tech Anode structure for a magnetron

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL49516C (https=) * 1935-02-28
US3315121A (en) * 1961-04-27 1967-04-18 Gen Electric Crossed-field electric discharge device
US3458753A (en) * 1965-08-30 1969-07-29 Gen Electric Crossed-field discharge devices and couplers therefor and oscillators and amplifiers incorporating the same
GB1548038A (en) * 1976-09-16 1979-07-04 Emi Varian Ltd Spin tuned magnetrons
GB8925000D0 (en) * 1989-11-06 1990-05-30 Eev Ltd Magnetrons
US5280218A (en) * 1991-09-24 1994-01-18 Raytheon Company Electrodes with primary and secondary emitters for use in cross-field tubes

Also Published As

Publication number Publication date
CA2404622A1 (en) 2001-10-11
EP1273023A1 (en) 2003-01-08
US20030150722A1 (en) 2003-08-14
DE60120145T2 (de) 2007-05-24
AU2001242658A1 (en) 2001-10-15
CN1432186A (zh) 2003-07-23
CN1316538C (zh) 2007-05-16
ATE328361T1 (de) 2006-06-15
GB2368184A (en) 2002-04-24
EP1273023B1 (en) 2006-05-31
JP4774181B2 (ja) 2011-09-14
ES2265422T3 (es) 2007-02-16
US7026761B2 (en) 2006-04-11
JP2003529903A (ja) 2003-10-07
WO2001075928A1 (en) 2001-10-11
GB0007783D0 (en) 2000-05-17
GB2368184B (en) 2004-08-18
DE60120145D1 (de) 2006-07-06

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MKEX Expiry

Effective date: 20210330