CH320913A - Cathode for electrical discharge vessels - Google Patents

Cathode for electrical discharge vessels

Info

Publication number
CH320913A
CH320913A CH320913DA CH320913A CH 320913 A CH320913 A CH 320913A CH 320913D A CH320913D A CH 320913DA CH 320913 A CH320913 A CH 320913A
Authority
CH
Switzerland
Prior art keywords
cathode
electrical discharge
discharge vessels
vessels
electrical
Prior art date
Application number
Other languages
German (de)
Inventor
Nat Katz Helmut Dr Phil
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH320913A publication Critical patent/CH320913A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode
CH320913D 1952-04-10 1953-04-07 Cathode for electrical discharge vessels CH320913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE320913X 1952-04-10

Publications (1)

Publication Number Publication Date
CH320913A true CH320913A (en) 1957-04-15

Family

ID=6158122

Family Applications (1)

Application Number Title Priority Date Filing Date
CH320913D CH320913A (en) 1952-04-10 1953-04-07 Cathode for electrical discharge vessels

Country Status (2)

Country Link
CH (1) CH320913A (en)
FR (1) FR1074460A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821205A1 (en) * 2001-02-19 2002-08-23 Thomson Tubes & Displays Electron gun incorporating a cathode made from a mixture containing barium and a co-evaporative material to reduce parasitic emissions

Also Published As

Publication number Publication date
FR1074460A (en) 1954-10-06

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