[go: up one dir, main page]

FR1286724A - Thermo-emissive cathode - Google Patents

Thermo-emissive cathode

Info

Publication number
FR1286724A
FR1286724A FR850235A FR850235A FR1286724A FR 1286724 A FR1286724 A FR 1286724A FR 850235 A FR850235 A FR 850235A FR 850235 A FR850235 A FR 850235A FR 1286724 A FR1286724 A FR 1286724A
Authority
FR
France
Prior art keywords
thermo
emissive cathode
emissive
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
FR850235A
Other languages
French (fr)
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to FR850235A priority Critical patent/FR1286724A/en
Application granted granted Critical
Publication of FR1286724A publication Critical patent/FR1286724A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J1/24—Insulating layer or body located between heater and emissive material
    • 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
    • H01J1/22—Heaters
FR850235A 1961-01-20 1961-01-20 Thermo-emissive cathode Expired FR1286724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR850235A FR1286724A (en) 1961-01-20 1961-01-20 Thermo-emissive cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850235A FR1286724A (en) 1961-01-20 1961-01-20 Thermo-emissive cathode

Publications (1)

Publication Number Publication Date
FR1286724A true FR1286724A (en) 1962-03-09

Family

ID=8747106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850235A Expired FR1286724A (en) 1961-01-20 1961-01-20 Thermo-emissive cathode

Country Status (1)

Country Link
FR (1) FR1286724A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351801A (en) * 1965-02-16 1967-11-07 John F Richter Cathode cylinder having a heater member supported by a plurality of flexible metal bands

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351801A (en) * 1965-02-16 1967-11-07 John F Richter Cathode cylinder having a heater member supported by a plurality of flexible metal bands

Similar Documents

Publication Publication Date Title
BE618813A (en) Diazabicyclo-octanes
BE613722A (en) Mixer-reducer
BR6244974D0 (en) DENTIFICATIONS
CH382075A (en) Tap-striker
FR1286724A (en) Thermo-emissive cathode
BE613082A (en) Weigher-bagger
AT234422B (en) Haymaker
BE618789A (en) Moulinégaren
BE612444A (en) 7-dehydrosterols
BE615346A (en) Alkylalkoxyalkylhydrazones
FI36632A (en) Rengöringspreparat i styckeform
ES90255Y (en) Improved box-pack
ES90050Y (en) Improved insole-sole
ES86860Y (en) Improved box-pack
ES104772Y (en) Glasswasher
ES86965Y (en) Paperweight-calendar
ES89753Y (en) Girdle-pants
BE615418R (en) Organosiloxymethylalkanes
BE614430R (en) Sorteerinrichting
BE614353R (en) Stookinrichting
BE612814R (en) Multistabiele geheugeninrichting
ES88296Y (en) Switch-switch
BE611656R (en) Kinderzeteltje
ES88301Y (en) Girdle-pants
ES85117Y (en) Scraper-saws