SE382885B - Katod for ett elektriskt urladdningsror - Google Patents

Katod for ett elektriskt urladdningsror

Info

Publication number
SE382885B
SE382885B SE7307547A SE7307547A SE382885B SE 382885 B SE382885 B SE 382885B SE 7307547 A SE7307547 A SE 7307547A SE 7307547 A SE7307547 A SE 7307547A SE 382885 B SE382885 B SE 382885B
Authority
SE
Sweden
Prior art keywords
catode
url
charge
electric
url charge
Prior art date
Application number
SE7307547A
Other languages
English (en)
Swedish (sv)
Inventor
Stratum A J A Van
N K Mitra
P Zalm
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE382885B publication Critical patent/SE382885B/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
SE7307547A 1972-05-30 1973-05-28 Katod for ett elektriskt urladdningsror SE382885B (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE382885B true SE382885B (sv) 1976-02-16

Family

ID=19816154

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7307547A SE382885B (sv) 1972-05-30 1973-05-28 Katod for ett elektriskt urladdningsror

Country Status (9)

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

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
US4168565A (en) * 1977-05-18 1979-09-25 Denki Kagaku Kogyo Kabushiki Kaisha Method for manufacturing thermionic cathode
US4137476A (en) * 1977-05-18 1979-01-30 Denki Kagaku Kogyo Kabushiki Kaisha 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
DE69409306T2 (de) * 1993-07-29 1998-07-30 Nippon Electric Co Thermisch emittierende Kathode, Herstellungsverfahren einer solchen thermisch emittierende Kathode und Elektronenstrahl-Gerät
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
CA990777A (en) 1976-06-08
FR2186722A1 (de) 1974-01-11
NL7207276A (de) 1973-12-04
GB1378138A (en) 1974-12-18
JPS555660B2 (de) 1980-02-08
DE2325274C3 (de) 1981-07-09
DE2325274A1 (de) 1973-12-13
DE2325274B2 (de) 1980-10-23
FR2186722B1 (de) 1976-09-17
US3823337A (en) 1974-07-09
JPS4944662A (de) 1974-04-26
CH554071A (de) 1974-09-13

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