NL6909169A - - Google Patents

Info

Publication number
NL6909169A
NL6909169A NL6909169A NL6909169A NL6909169A NL 6909169 A NL6909169 A NL 6909169A NL 6909169 A NL6909169 A NL 6909169A NL 6909169 A NL6909169 A NL 6909169A NL 6909169 A NL6909169 A NL 6909169A
Authority
NL
Netherlands
Application number
NL6909169A
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 filed Critical
Publication of NL6909169A publication Critical patent/NL6909169A/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
    • H01J1/26—Supports for the emissive material
    • 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
NL6909169A 1968-06-18 1969-06-16 NL6909169A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681764509 DE1764509A1 (de) 1968-06-18 1968-06-18 Thorium-Film-Kathode fuer elektrische Entladungsgefaesse

Publications (1)

Publication Number Publication Date
NL6909169A true NL6909169A (xx) 1969-12-22

Family

ID=5698015

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6909169A NL6909169A (xx) 1968-06-18 1969-06-16

Country Status (3)

Country Link
DE (1) DE1764509A1 (xx)
FR (1) FR2011137A6 (xx)
NL (1) NL6909169A (xx)

Also Published As

Publication number Publication date
DE1764509A1 (de) 1971-08-05
FR2011137A6 (en) 1970-02-27

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