ATE89950T1 - Kathoden fuer magnetrons. - Google Patents

Kathoden fuer magnetrons.

Info

Publication number
ATE89950T1
ATE89950T1 AT89300156T AT89300156T ATE89950T1 AT E89950 T1 ATE89950 T1 AT E89950T1 AT 89300156 T AT89300156 T AT 89300156T AT 89300156 T AT89300156 T AT 89300156T AT E89950 T1 ATE89950 T1 AT E89950T1
Authority
AT
Austria
Prior art keywords
conductor
cathode
magnetrons
emissive material
passed
Prior art date
Application number
AT89300156T
Other languages
English (en)
Inventor
Ian David Pitt
Paul Andrew Jerram
John Walter Kerr
Original Assignee
Eev 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 Eev Ltd filed Critical Eev Ltd
Application granted granted Critical
Publication of ATE89950T1 publication Critical patent/ATE89950T1/de

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

Landscapes

  • Microwave Tubes (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Weting (AREA)
AT89300156T 1988-01-20 1989-01-09 Kathoden fuer magnetrons. ATE89950T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8801176A GB2214704B (en) 1988-01-20 1988-01-20 Magnetrons
EP89300156A EP0329269B1 (de) 1988-01-20 1989-01-09 Kathoden für Magnetrons

Publications (1)

Publication Number Publication Date
ATE89950T1 true ATE89950T1 (de) 1993-06-15

Family

ID=10630223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89300156T ATE89950T1 (de) 1988-01-20 1989-01-09 Kathoden fuer magnetrons.

Country Status (6)

Country Link
US (1) US5172030A (de)
EP (1) EP0329269B1 (de)
JP (1) JPH01296542A (de)
AT (1) ATE89950T1 (de)
DE (1) DE68906685T2 (de)
GB (1) GB2214704B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238903B (en) * 1989-12-08 1994-10-19 Eev Ltd Magnetrons
RU2197029C2 (ru) * 2001-02-15 2003-01-20 Сысоев Анатолий Петрович Магнетрон с управляющим электродом
RU2357318C1 (ru) * 2007-08-31 2009-05-27 Ямчук Андрей Юрьевич Магнетрон с регулируемой мощностью
CN108321068B (zh) * 2017-12-15 2019-12-03 南京三乐集团有限公司 一种行波管用的异形结构阴极及其制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB274301A (en) * 1926-08-30 1927-07-21 Mackie & Sons Ltd J Improvements relating to doffing motions for spinning, twisting, and like machines
GB527145A (en) * 1938-03-31 1940-10-03 Telefunken Gmbh Improvements in or relating to thermionic cathodes for use in electron discharge tubes
US2653268A (en) * 1950-05-01 1953-09-22 Beverly D Kumpfer Directly heated cathode structure
GB766881A (en) * 1953-10-14 1957-01-30 British Thomson Houston Co Ltd Improvements relating to cathodes for high power valves
GB761684A (en) * 1954-04-02 1956-11-21 Mullard Radio Valve Co Ltd Improvements in or relating to cathodes for electric discharge tubes
DE1059114B (de) * 1955-02-02 1959-06-11 Western Electric Co Kathode fuer Hochleistungs-Magnetrons und Verfahren fuer ihre Herstellung
GB1023598A (en) * 1964-05-11 1966-03-23 English Electric Valve Co Ltd Improvements in or relating to magnetron cathodes
US3297901A (en) * 1964-06-05 1967-01-10 Litton Industries Inc Dispenser cathode for use in high power magnetron devices
GB1129615A (en) * 1965-03-11 1968-10-09 English Electric Valve Co Ltd Improvements in or relating to electron discharge device cathodes
NL130735C (de) * 1965-08-16 1900-01-01
US3441779A (en) * 1966-04-06 1969-04-29 Siemens Ag Cathode having an end face carrier for an emission substance and the production thereof
US3514661A (en) * 1968-07-05 1970-05-26 Spectra Mat Inc Directly heated dispenser cathode structure and the method of fabricating same
DE2215477C3 (de) * 1972-03-29 1975-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vorratskathode, insbesondere MK-Kathode
JPS54109364A (en) * 1978-02-15 1979-08-27 Hitachi Ltd Constituent for magnetron cathode
JPS54162954A (en) * 1978-06-14 1979-12-25 Mitsubishi Electric Corp Hot-cathode
FR2445605A1 (fr) * 1978-12-27 1980-07-25 Thomson Csf Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
GB2109625A (en) * 1981-11-12 1983-06-02 English Electric Valve Co Ltd Magnetrons
US4547693A (en) * 1983-05-25 1985-10-15 M/A Com, Inc. Re-entrant cathode support

Also Published As

Publication number Publication date
DE68906685D1 (de) 1993-07-01
GB2214704A (en) 1989-09-06
EP0329269A1 (de) 1989-08-23
JPH01296542A (ja) 1989-11-29
EP0329269B1 (de) 1993-05-26
US5172030A (en) 1992-12-15
GB2214704B (en) 1992-05-06
DE68906685T2 (de) 1993-09-02
GB8801176D0 (en) 1988-02-17

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties