FR2884042B1 - Magnetron - Google Patents

Magnetron Download PDF

Info

Publication number
FR2884042B1
FR2884042B1 FR0651139A FR0651139A FR2884042B1 FR 2884042 B1 FR2884042 B1 FR 2884042B1 FR 0651139 A FR0651139 A FR 0651139A FR 0651139 A FR0651139 A FR 0651139A FR 2884042 B1 FR2884042 B1 FR 2884042B1
Authority
FR
France
Prior art keywords
magnetron
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 - Fee Related
Application number
FR0651139A
Other languages
English (en)
Other versions
FR2884042A1 (fr
Inventor
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.)
Teledyne UK Ltd
Original Assignee
e2v Technologies 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 e2v Technologies UK Ltd filed Critical e2v Technologies UK Ltd
Publication of FR2884042A1 publication Critical patent/FR2884042A1/fr
Application granted granted Critical
Publication of FR2884042B1 publication Critical patent/FR2884042B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
FR0651139A 2005-03-31 2006-03-31 Magnetron Expired - Fee Related FR2884042B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0506580A GB2424753B (en) 2005-03-31 2005-03-31 Magnetron
GB0506580 2005-03-31

Publications (2)

Publication Number Publication Date
FR2884042A1 FR2884042A1 (fr) 2006-10-06
FR2884042B1 true FR2884042B1 (fr) 2018-09-28

Family

ID=34566786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0651139A Expired - Fee Related FR2884042B1 (fr) 2005-03-31 2006-03-31 Magnetron

Country Status (4)

Country Link
US (1) US7327088B2 (fr)
CN (1) CN1841635B (fr)
FR (1) FR2884042B1 (fr)
GB (1) GB2424753B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2447977B (en) * 2007-03-30 2011-08-10 E2V Tech Magnetrons
GB2480451A (en) * 2010-05-18 2011-11-23 E2V Tech Electron tube rf output window

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB988142A (en) * 1960-08-03 1965-04-07 Emi Ltd Improvements in or relating to devices having a window for transmitting high frequency energy
GB8925000D0 (en) * 1989-11-06 1990-05-30 Eev Ltd Magnetrons
US5461283A (en) * 1993-07-29 1995-10-24 Litton Systems, Inc. Magnetron output transition apparatus having a circular to rectangular waveguide adapter
DE69527087T2 (de) * 1994-03-31 2003-01-30 Ut Battelle Llc Mikrowellen-heizvorrichtung mit variabler frequenz
GB2297190B (en) * 1995-01-21 1998-12-23 Eev Ltd Electron tubes
JPH10321039A (ja) * 1997-05-15 1998-12-04 Matsushita Electron Corp マイクロ波放電ランプ装置
JP4670027B2 (ja) * 2000-10-18 2011-04-13 日立協和エンジニアリング株式会社 マグネトロン

Also Published As

Publication number Publication date
US20060220566A1 (en) 2006-10-05
FR2884042A1 (fr) 2006-10-06
GB0506580D0 (en) 2005-05-04
GB2424753B (en) 2009-02-18
CN1841635A (zh) 2006-10-04
US7327088B2 (en) 2008-02-05
CN1841635B (zh) 2010-05-12
GB2424753A (en) 2006-10-04

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 11

PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

Year of fee payment: 13

CD Change of name or company name

Owner name: TELEDYNE E2V (UK) LIMITED, GB

Effective date: 20180410

ST Notification of lapse

Effective date: 20191106