BE571711A - - Google Patents

Info

Publication number
BE571711A
BE571711A BE571711DA BE571711A BE 571711 A BE571711 A BE 571711A BE 571711D A BE571711D A BE 571711DA BE 571711 A BE571711 A BE 571711A
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 BE571711A publication Critical patent/BE571711A/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
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
    • 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
    • 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)
BE571711D 1957-10-04 BE571711A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL221344 1957-10-04
NL225825 1958-03-13

Publications (1)

Publication Number Publication Date
BE571711A true BE571711A (da)

Family

ID=26641626

Family Applications (1)

Application Number Title Priority Date Filing Date
BE571711D BE571711A (da) 1957-10-04

Country Status (7)

Country Link
US (1) US2949557A (da)
BE (1) BE571711A (da)
CH (1) CH366905A (da)
DE (1) DE1063718B (da)
FR (1) FR1204038A (da)
GB (1) GB829339A (da)
NL (1) NL95320C (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318716A (en) * 1962-09-11 1967-05-09 Pennsalt Chemicals Corp Foam reduction and coating
NL272248A (da) * 1960-12-15
DE1180468B (de) * 1961-04-21 1964-10-29 Siemens Elektrogeraete Gmbh Garraum eines HF-Strahlungsherdes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526054A (en) * 1940-03-13 1950-10-17 M O Valve Co Ltd Electrode assembly for very highfrequency electron discharge devices
GB582162A (en) * 1940-03-13 1946-11-07 M O Valve Co Ltd Improvements in thermionic valves adapted to operate at very high frequencies
BE518861A (da) * 1952-04-01

Also Published As

Publication number Publication date
CH366905A (de) 1963-01-31
DE1063718B (de) 1959-08-20
US2949557A (en) 1960-08-16
GB829339A (en) 1960-03-02
NL95320C (da)
FR1204038A (fr) 1960-01-22

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