CH228317A - Oxide cathode and process for its manufacture. - Google Patents

Oxide cathode and process for its manufacture.

Info

Publication number
CH228317A
CH228317A CH228317DA CH228317A CH 228317 A CH228317 A CH 228317A CH 228317D A CH228317D A CH 228317DA CH 228317 A CH228317 A CH 228317A
Authority
CH
Switzerland
Prior art keywords
manufacture
oxide cathode
cathode
oxide
Prior art date
Application number
Other languages
German (de)
Inventor
Reszvenytarsasag Villamossagi
Original Assignee
Egyesuelt Izzolampa
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 Egyesuelt Izzolampa filed Critical Egyesuelt Izzolampa
Publication of CH228317A publication Critical patent/CH228317A/en

Links

Classifications

    • 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
    • H01J9/042—Manufacture, activation of the emissive part
    • 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
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
CH228317D 1940-02-21 1940-12-16 Oxide cathode and process for its manufacture. CH228317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU228317X 1940-02-21

Publications (1)

Publication Number Publication Date
CH228317A true CH228317A (en) 1943-08-15

Family

ID=10978375

Family Applications (1)

Application Number Title Priority Date Filing Date
CH228317D CH228317A (en) 1940-02-21 1940-12-16 Oxide cathode and process for its manufacture.

Country Status (3)

Country Link
BE (1) BE440192A (en)
CH (1) CH228317A (en)
FR (1) FR869892A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147735A (en) 1995-09-21 1997-06-06 Matsushita Electron Corp Cathode-ray tube emitter material and manufacture thereof
US5925976A (en) * 1996-11-12 1999-07-20 Matsushita Electronics Corporation Cathode for electron tube having specific emissive material

Also Published As

Publication number Publication date
BE440192A (en)
FR869892A (en) 1942-02-23

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