FR1075731A - Manufacturing process of flat grids for vacuum tubes - Google Patents

Manufacturing process of flat grids for vacuum tubes

Info

Publication number
FR1075731A
FR1075731A FR1075731DA FR1075731A FR 1075731 A FR1075731 A FR 1075731A FR 1075731D A FR1075731D A FR 1075731DA FR 1075731 A FR1075731 A FR 1075731A
Authority
FR
France
Prior art keywords
manufacturing process
vacuum tubes
flat grids
grids
flat
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Application granted granted Critical
Publication of FR1075731A publication Critical patent/FR1075731A/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
    • H01J2893/0025—Manufacture by winding wire upon a support
FR1075731D 1952-03-22 1953-03-19 Manufacturing process of flat grids for vacuum tubes Expired FR1075731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1075731XA 1952-03-22 1952-03-22

Publications (1)

Publication Number Publication Date
FR1075731A true FR1075731A (en) 1954-10-19

Family

ID=22317275

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1075731D Expired FR1075731A (en) 1952-03-22 1953-03-19 Manufacturing process of flat grids for vacuum tubes

Country Status (1)

Country Link
FR (1) FR1075731A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998033A (en) * 1957-02-12 1961-08-29 Sylvania Electric Prod Apparatus for producing cathode ray tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998033A (en) * 1957-02-12 1961-08-29 Sylvania Electric Prod Apparatus for producing cathode ray tubes

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