BE519027A - - Google Patents

Info

Publication number
BE519027A
BE519027A BE519027DA BE519027A BE 519027 A BE519027 A BE 519027A BE 519027D A BE519027D A BE 519027DA BE 519027 A BE519027 A BE 519027A
Authority
BE
Belgium
Application number
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.)
Publication of BE519027A publication Critical patent/BE519027A/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
    • H01J1/20—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
    • 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
BE519027D 1952-04-09 BE519027A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL168731 1952-04-09

Publications (1)

Publication Number Publication Date
BE519027A true BE519027A (en:Method)

Family

ID=19750556

Family Applications (1)

Application Number Title Priority Date Filing Date
BE519027D BE519027A (en:Method) 1952-04-09

Country Status (7)

Country Link
US (1) US2925514A (en:Method)
BE (1) BE519027A (en:Method)
CH (1) CH318310A (en:Method)
ES (1) ES208641A1 (en:Method)
FR (1) FR1074360A (en:Method)
GB (1) GB725851A (en:Method)
NL (1) NL95281C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914836A1 (de) * 1979-04-11 1980-10-16 Siemens Ag Elektrodenaktivierungsmasse fuer eine gasentladungsroehre

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076915A (en) * 1954-12-24 1963-02-05 Egyesuelt Izzolampa Cathode assembly and method of making same
GB1137124A (en) * 1964-12-23 1968-12-18 Nat Res Dev Thermionic electron emitter
DE1234861B (de) * 1965-07-05 1967-02-23 Siemens Ag Vorratskathode fuer elektrische Entladungsgefaesse
DE1283403B (de) * 1966-08-05 1968-11-21 Siemens Ag Mittelbar geheizte Vorratskathode fuer elektrische Entladungsgefaesse
US6603250B2 (en) * 2001-08-27 2003-08-05 Osram Sylvania Inc. Cathode coating for thermionic arc discharge lamp cathodes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1922244A (en) * 1930-09-13 1933-08-15 Fansteel Prod Co Inc Electrode and method of making the same
US2085605A (en) * 1934-05-11 1937-06-29 Gen Electric Thermionic cathode for electric discharge devices
US2107945A (en) * 1934-11-20 1938-02-08 Gen Electric Cathode structure
GB624009A (en) * 1942-11-14 1949-05-26 Philips Nv Improvements in or relating to electric discharge tubes
BE477491A (en:Method) * 1943-05-28
NL69486C (en:Method) * 1947-11-26
BE486753A (en:Method) * 1948-01-15
NL91132C (en:Method) * 1951-11-29
NL91131C (en:Method) * 1951-11-29
GB731454A (en) * 1952-10-28 1955-06-08 Vickers Electrical Co Ltd Improvements relating to electron emissive devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914836A1 (de) * 1979-04-11 1980-10-16 Siemens Ag Elektrodenaktivierungsmasse fuer eine gasentladungsroehre

Also Published As

Publication number Publication date
ES208641A1 (es) 1953-07-01
FR1074360A (fr) 1954-10-05
GB725851A (en) 1955-03-09
NL95281C (en:Method)
CH318310A (de) 1956-12-31
US2925514A (en) 1960-02-16

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