CH487496A - Process for the production of an electrical discharge tube with at least one electrode not used for electron emission - Google Patents

Process for the production of an electrical discharge tube with at least one electrode not used for electron emission

Info

Publication number
CH487496A
CH487496A CH815169A CH815169A CH487496A CH 487496 A CH487496 A CH 487496A CH 815169 A CH815169 A CH 815169A CH 815169 A CH815169 A CH 815169A CH 487496 A CH487496 A CH 487496A
Authority
CH
Switzerland
Prior art keywords
electrode
production
discharge tube
electron emission
electrical discharge
Prior art date
Application number
CH815169A
Other languages
German (de)
Inventor
Sigmund Den Dulk Ernst
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH487496A publication Critical patent/CH487496A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
CH815169A 1968-05-31 1969-05-29 Process for the production of an electrical discharge tube with at least one electrode not used for electron emission CH487496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6807777A NL6807777A (en) 1968-05-31 1968-05-31

Publications (1)

Publication Number Publication Date
CH487496A true CH487496A (en) 1970-03-15

Family

ID=19803805

Family Applications (1)

Application Number Title Priority Date Filing Date
CH815169A CH487496A (en) 1968-05-31 1969-05-29 Process for the production of an electrical discharge tube with at least one electrode not used for electron emission

Country Status (11)

Country Link
US (1) US3611523A (en)
AT (1) AT287860B (en)
BE (1) BE733810A (en)
CH (1) CH487496A (en)
DE (1) DE1924004A1 (en)
ES (1) ES367842A1 (en)
FR (1) FR2009749A1 (en)
GB (1) GB1224869A (en)
NL (1) NL6807777A (en)
PL (1) PL71409B1 (en)
ZA (1) ZA693594B (en)

Also Published As

Publication number Publication date
AT287860B (en) 1971-02-10
PL71409B1 (en) 1974-06-29
DE1924004A1 (en) 1969-12-04
NL6807777A (en) 1969-12-02
US3611523A (en) 1971-10-12
ZA693594B (en) 1971-01-27
GB1224869A (en) 1971-03-10
FR2009749A1 (en) 1970-02-06
ES367842A1 (en) 1971-06-16
BE733810A (en) 1969-12-01

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Legal Events

Date Code Title Description
PL Patent ceased