NL7207276A - - Google Patents

Info

Publication number
NL7207276A
NL7207276A NL7207276A NL7207276A NL7207276A NL 7207276 A NL7207276 A NL 7207276A NL 7207276 A NL7207276 A NL 7207276A NL 7207276 A NL7207276 A NL 7207276A NL 7207276 A NL7207276 A NL 7207276A
Authority
NL
Netherlands
Application number
NL7207276A
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 filed Critical
Priority to NL7207276A priority Critical patent/NL7207276A/xx
Priority to DE2325274A priority patent/DE2325274C3/de
Priority to CA172,128A priority patent/CA990777A/en
Priority to US00363877A priority patent/US3823337A/en
Priority to GB2515573A priority patent/GB1378138A/en
Priority to CH755273A priority patent/CH554071A/xx
Priority to JP5875873A priority patent/JPS555660B2/ja
Priority to SE7307547A priority patent/SE382885B/xx
Priority to FR7319646A priority patent/FR2186722B1/fr
Publication of NL7207276A publication Critical patent/NL7207276A/xx

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
    • H01J1/15—Cathodes heated directly by an electric current
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/148—Solid thermionic cathodes characterised by the material with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material
NL7207276A 1972-05-30 1972-05-30 NL7207276A (enrdf_load_stackoverflow)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL7207276A NL7207276A (enrdf_load_stackoverflow) 1972-05-30 1972-05-30
DE2325274A DE2325274C3 (de) 1972-05-30 1973-05-18 Direkt heizbare Kathode für eine elektrische Entladungsröhre
CA172,128A CA990777A (en) 1972-05-30 1973-05-24 Directly heated cathode
US00363877A US3823337A (en) 1972-05-30 1973-05-25 Cathode for an electric discharge tube
GB2515573A GB1378138A (en) 1972-05-30 1973-05-25 Thermionic cathode for an electric discharge tube
CH755273A CH554071A (de) 1972-05-30 1973-05-25 Kathode fuer eine elektrische entladungsroehre.
JP5875873A JPS555660B2 (enrdf_load_stackoverflow) 1972-05-30 1973-05-28
SE7307547A SE382885B (sv) 1972-05-30 1973-05-28 Katod for ett elektriskt urladdningsror
FR7319646A FR2186722B1 (enrdf_load_stackoverflow) 1972-05-30 1973-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7207276A NL7207276A (enrdf_load_stackoverflow) 1972-05-30 1972-05-30

Publications (1)

Publication Number Publication Date
NL7207276A true NL7207276A (enrdf_load_stackoverflow) 1973-12-04

Family

ID=19816154

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7207276A NL7207276A (enrdf_load_stackoverflow) 1972-05-30 1972-05-30

Country Status (9)

Country Link
US (1) US3823337A (enrdf_load_stackoverflow)
JP (1) JPS555660B2 (enrdf_load_stackoverflow)
CA (1) CA990777A (enrdf_load_stackoverflow)
CH (1) CH554071A (enrdf_load_stackoverflow)
DE (1) DE2325274C3 (enrdf_load_stackoverflow)
FR (1) FR2186722B1 (enrdf_load_stackoverflow)
GB (1) GB1378138A (enrdf_load_stackoverflow)
NL (1) NL7207276A (enrdf_load_stackoverflow)
SE (1) SE382885B (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019081A (en) * 1974-10-25 1977-04-19 Bbc Brown Boveri & Company Limited Reaction cathode
JPS607335B2 (ja) * 1974-11-29 1985-02-23 カナデイアン、パテンツ、アンド、デイベラツプメント、リミテツド 熱電子放射陰極
US4055780A (en) * 1975-04-10 1977-10-25 National Institute For Researches In Inorganic Materials Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride
US4009409A (en) * 1975-09-02 1977-02-22 Gte Sylvania Incorporated Fast warmup cathode and method of making same
US4054946A (en) * 1976-09-28 1977-10-18 Bell Telephone Laboratories, Incorporated Electron source of a single crystal of lanthanum hexaboride emitting surface of (110) crystal plane
US4137476A (en) * 1977-05-18 1979-01-30 Denki Kagaku Kogyo Kabushiki Kaisha Thermionic cathode
US4168565A (en) * 1977-05-18 1979-09-25 Denki Kagaku Kogyo Kabushiki Kaisha Method for manufacturing thermionic cathode
US4258283A (en) * 1978-08-31 1981-03-24 Balzers Aktiengesellschaft Fur Hochvakuumtechnik Und Dunne Schichten Cathode for electron emission
FR2445605A1 (fr) * 1978-12-27 1980-07-25 Thomson Csf Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
JPS57196443A (en) * 1981-05-29 1982-12-02 Denki Kagaku Kogyo Kk Manufacture of hot cathode
EP0637046B1 (en) * 1993-07-29 1998-04-01 Nec Corporation Thermoionic emissive cathode method of fabricating the same thermoionic emissive cathode and electron beam apparatus
JP2010157490A (ja) * 2008-12-02 2010-07-15 Canon Inc 電子放出素子および該電子放出素子を用いた表示パネル

Also Published As

Publication number Publication date
DE2325274B2 (de) 1980-10-23
FR2186722A1 (enrdf_load_stackoverflow) 1974-01-11
DE2325274A1 (de) 1973-12-13
JPS555660B2 (enrdf_load_stackoverflow) 1980-02-08
GB1378138A (en) 1974-12-18
CH554071A (de) 1974-09-13
DE2325274C3 (de) 1981-07-09
US3823337A (en) 1974-07-09
JPS4944662A (enrdf_load_stackoverflow) 1974-04-26
CA990777A (en) 1976-06-08
SE382885B (sv) 1976-02-16
FR2186722B1 (enrdf_load_stackoverflow) 1976-09-17

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Legal Events

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