CA1003964A - Magnetron cathode - Google Patents

Magnetron cathode

Info

Publication number
CA1003964A
CA1003964A CA187,967A CA187967A CA1003964A CA 1003964 A CA1003964 A CA 1003964A CA 187967 A CA187967 A CA 187967A CA 1003964 A CA1003964 A CA 1003964A
Authority
CA
Canada
Prior art keywords
magnetron cathode
magnetron
cathode
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
Application number
CA187,967A
Other versions
CA187967S (en
Inventor
Maurice Esterson
Francis J. Weaver
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
English Electric Valve Co 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Application granted granted Critical
Publication of CA1003964A publication Critical patent/CA1003964A/en
Expired 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
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
CA187,967A 1972-12-21 1973-12-12 Magnetron cathode Expired CA1003964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5913672A GB1399260A (en) 1972-12-21 1972-12-21 Magnetrons

Publications (1)

Publication Number Publication Date
CA1003964A true CA1003964A (en) 1977-01-18

Family

ID=10483125

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,967A Expired CA1003964A (en) 1972-12-21 1973-12-12 Magnetron cathode

Country Status (6)

Country Link
US (1) US3899714A (en)
JP (1) JPS4998168A (en)
CA (1) CA1003964A (en)
FR (1) FR2211746A1 (en)
GB (1) GB1399260A (en)
NL (1) NL7317243A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242067A (en) * 1975-09-29 1977-04-01 New Japan Radio Co Ltd Magnetron cathode construction
US5280218A (en) * 1991-09-24 1994-01-18 Raytheon Company Electrodes with primary and secondary emitters for use in cross-field tubes
US5327094A (en) * 1992-12-11 1994-07-05 Litton Systems, Inc. Jitter suppression in crossed-field amplifier by use of field emitter
US5412281A (en) * 1993-03-31 1995-05-02 Litton Systems, Inc. Phase smoothing cathode for reduced noise crossed-field amplifier
JP3803432B2 (en) * 1995-10-30 2006-08-02 セイコーエプソン株式会社 Lamp unit and image reading apparatus using the same
GB2317741B (en) * 1995-12-12 1999-02-17 Lg Electronics Inc Magnetron
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
US5977714A (en) * 1997-04-16 1999-11-02 Adamovski; Victor Isaevich Magnetron anodes having refractory material and cooled by fluid boiling
RU2136076C1 (en) 1998-01-08 1999-08-27 Махов Владимир Ильич Magnetron
RU2183363C2 (en) 1998-01-08 2002-06-10 Махов Владимир Ильич M-type device
US6485346B1 (en) 2000-05-26 2002-11-26 Litton Systems, Inc. Field emitter for microwave devices and the method of its production
JP4355135B2 (en) * 2002-11-13 2009-10-28 新日本無線株式会社 Pulse magnetron

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736838A (en) * 1951-04-03 1956-02-28 Richard B Nelson Starting apparatus for a cold cathode electron discharge device
US2822499A (en) * 1955-02-17 1958-02-04 Bell Telephone Labor Inc Cathodes for electron discharge devices
US2818528A (en) * 1956-09-17 1957-12-31 Bell Telephone Labor Inc Electron discharge device
US3297901A (en) * 1964-06-05 1967-01-10 Litton Industries Inc Dispenser cathode for use in high power magnetron devices
NL130735C (en) * 1965-08-16 1900-01-01
DE1541026B2 (en) * 1966-12-14 1971-08-19 Philips Patentverwaltung Gmbh, 2000 Hamburg CIRCULAR CYLINDER CATHOD FOR A MAGNETIC TUBE

Also Published As

Publication number Publication date
GB1399260A (en) 1975-07-02
FR2211746A1 (en) 1974-07-19
US3899714A (en) 1975-08-12
NL7317243A (en) 1974-06-25
JPS4998168A (en) 1974-09-17

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