FR970336A - non-emissive electrodes for electronic discharge tubes - Google Patents

non-emissive electrodes for electronic discharge tubes

Info

Publication number
FR970336A
FR970336A FR970336DA FR970336A FR 970336 A FR970336 A FR 970336A FR 970336D A FR970336D A FR 970336DA FR 970336 A FR970336 A FR 970336A
Authority
FR
France
Prior art keywords
discharge tubes
electronic discharge
emissive electrodes
emissive
electrodes
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Maurice Arditi
Vincent J De Santis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR970336A publication Critical patent/FR970336A/en
Expired legal-status Critical Current

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
    • 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
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments
FR970336D 1947-08-19 1948-08-13 non-emissive electrodes for electronic discharge tubes Expired FR970336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US970336XA 1947-08-19 1947-08-19

Publications (1)

Publication Number Publication Date
FR970336A true FR970336A (en) 1951-01-03

Family

ID=22260466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970336D Expired FR970336A (en) 1947-08-19 1948-08-13 non-emissive electrodes for electronic discharge tubes

Country Status (1)

Country Link
FR (1) FR970336A (en)

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