FR791984A - Anodes and process for making them - Google Patents

Anodes and process for making them

Info

Publication number
FR791984A
FR791984A FR791984DA FR791984A FR 791984 A FR791984 A FR 791984A FR 791984D A FR791984D A FR 791984DA FR 791984 A FR791984 A FR 791984A
Authority
FR
France
Prior art keywords
anodes
making
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)
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.)
Speer Carbon Co
Original Assignee
Speer Carbon Co
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 Speer Carbon Co filed Critical Speer Carbon Co
Application granted granted Critical
Publication of FR791984A publication Critical patent/FR791984A/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
    • 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
    • H01J2893/002—Chemical composition and manufacture chemical
    • H01J2893/0021—Chemical composition and manufacture chemical carbon
FR791984D 1934-07-03 1935-07-02 Anodes and process for making them Expired FR791984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US791984XA 1934-07-03 1934-07-03

Publications (1)

Publication Number Publication Date
FR791984A true FR791984A (en) 1935-12-20

Family

ID=22149039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791984D Expired FR791984A (en) 1934-07-03 1935-07-02 Anodes and process for making them

Country Status (1)

Country Link
FR (1) FR791984A (en)

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