FR773855A - Improved electrode and its manufacturing process - Google Patents

Improved electrode and its manufacturing process

Info

Publication number
FR773855A
FR773855A FR773855DA FR773855A FR 773855 A FR773855 A FR 773855A FR 773855D A FR773855D A FR 773855DA FR 773855 A FR773855 A FR 773855A
Authority
FR
France
Prior art keywords
manufacturing process
improved electrode
electrode
improved
manufacturing
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.)
Hygrade Sylvania Corp
Original Assignee
Hygrade Sylvania 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 Hygrade Sylvania Corp filed Critical Hygrade Sylvania Corp
Application granted granted Critical
Publication of FR773855A publication Critical patent/FR773855A/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
    • 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
FR773855D 1933-06-02 1934-05-31 Improved electrode and its manufacturing process Expired FR773855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US773855XA 1933-06-02 1933-06-02

Publications (1)

Publication Number Publication Date
FR773855A true FR773855A (en) 1934-11-27

Family

ID=22137753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773855D Expired FR773855A (en) 1933-06-02 1934-05-31 Improved electrode and its manufacturing process

Country Status (1)

Country Link
FR (1) FR773855A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345804A1 (en) * 1976-03-27 1977-10-21 Philips Nv PROCESS FOR THE REALIZATION OF ELECTRODES IN THE FORM OF A GRID FOR ELECTRONIC TUBES AND ELECTRODE SO REALIZED
FR2353131A1 (en) * 1976-05-28 1977-12-23 Philips Nv ELECTRODE, ESPECIALLY IN THE FORM OF A GRID, FOR ELECTRONIC TUBES AND ITS MANUFACTURING PROCESS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345804A1 (en) * 1976-03-27 1977-10-21 Philips Nv PROCESS FOR THE REALIZATION OF ELECTRODES IN THE FORM OF A GRID FOR ELECTRONIC TUBES AND ELECTRODE SO REALIZED
FR2353131A1 (en) * 1976-05-28 1977-12-23 Philips Nv ELECTRODE, ESPECIALLY IN THE FORM OF A GRID, FOR ELECTRONIC TUBES AND ITS MANUFACTURING PROCESS

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