GB1023598A - Improvements in or relating to magnetron cathodes - Google Patents

Improvements in or relating to magnetron cathodes

Info

Publication number
GB1023598A
GB1023598A GB19505/64A GB1950564A GB1023598A GB 1023598 A GB1023598 A GB 1023598A GB 19505/64 A GB19505/64 A GB 19505/64A GB 1950564 A GB1950564 A GB 1950564A GB 1023598 A GB1023598 A GB 1023598A
Authority
GB
United Kingdom
Prior art keywords
tungsten
molybdenum
aluminate
spacers
filled
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
GB19505/64A
Other languages
English (en)
Inventor
Brian Frederick Cooper
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
Priority to GB19505/64A priority Critical patent/GB1023598A/en
Priority to DE19651491342 priority patent/DE1491342B1/de
Priority to FR15793A priority patent/FR1434627A/fr
Priority to CH635565A priority patent/CH421312A/fr
Priority to SE6079/65A priority patent/SE320437B/xx
Priority to NL6505936A priority patent/NL6505936A/xx
Publication of GB1023598A publication Critical patent/GB1023598A/en
Priority to US695804A priority patent/US3441781A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details 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
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
  • Powder Metallurgy (AREA)
GB19505/64A 1964-05-11 1964-05-11 Improvements in or relating to magnetron cathodes Expired GB1023598A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB19505/64A GB1023598A (en) 1964-05-11 1964-05-11 Improvements in or relating to magnetron cathodes
DE19651491342 DE1491342B1 (de) 1964-05-11 1965-05-03 Zylindrische Barium-Kalzium-Aluminat-Kathode fuer Magnetronroehren und Verfahren zu ihrer Herstellung
FR15793A FR1434627A (fr) 1964-05-11 1965-05-05 Cathodes en aluminate de baryum et de calcium notamment pour magnétrons
CH635565A CH421312A (fr) 1964-05-11 1965-05-07 Cathode aux aluminates de baryum et de calcium, procédé pour sa fabrication et utilisation de cette cathode
SE6079/65A SE320437B (ko) 1964-05-11 1965-05-10
NL6505936A NL6505936A (ko) 1964-05-11 1965-05-11
US695804A US3441781A (en) 1964-05-11 1968-01-04 Microwave tube cathode of the bariumcalcium aluminate type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19505/64A GB1023598A (en) 1964-05-11 1964-05-11 Improvements in or relating to magnetron cathodes

Publications (1)

Publication Number Publication Date
GB1023598A true GB1023598A (en) 1966-03-23

Family

ID=10130478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19505/64A Expired GB1023598A (en) 1964-05-11 1964-05-11 Improvements in or relating to magnetron cathodes

Country Status (6)

Country Link
US (1) US3441781A (ko)
CH (1) CH421312A (ko)
DE (1) DE1491342B1 (ko)
GB (1) GB1023598A (ko)
NL (1) NL6505936A (ko)
SE (1) SE320437B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501617A (en) * 1967-11-24 1970-03-17 Chicago Bridge & Iron Co Apparatus for sublimating and evaporating metals

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214704B (en) * 1988-01-20 1992-05-06 English Electric Valve Co Ltd Magnetrons
RU2007777C1 (ru) * 1992-04-15 1994-02-15 Предприятие "Плутон" Магнетрон

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891074A (en) * 1931-02-19 1932-12-13 Gen Electric Cathode for electric discharge devices
US3201639A (en) * 1955-02-09 1965-08-17 Philips Corp Thermionic dispenser cathode
US3160780A (en) * 1961-01-17 1964-12-08 Philips Corp Indirectly heated cathode
FR1307503A (fr) * 1961-01-23 1962-10-26 S F D Lab Procédé pour interrompre le fonctionnement d'un dispositif électronique à champs croisés
US3210575A (en) * 1961-03-07 1965-10-05 Podolsky Leon Thermoelectron engine having composite emitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501617A (en) * 1967-11-24 1970-03-17 Chicago Bridge & Iron Co Apparatus for sublimating and evaporating metals

Also Published As

Publication number Publication date
DE1491342B1 (de) 1969-11-13
NL6505936A (ko) 1965-11-12
SE320437B (ko) 1970-02-09
CH421312A (fr) 1966-09-30
US3441781A (en) 1969-04-29

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