CH438417A - Process for manufacturing a flat grid for a cathode ray tube and grid obtained according to this process - Google Patents

Process for manufacturing a flat grid for a cathode ray tube and grid obtained according to this process

Info

Publication number
CH438417A
CH438417A CH881065A CH881065A CH438417A CH 438417 A CH438417 A CH 438417A CH 881065 A CH881065 A CH 881065A CH 881065 A CH881065 A CH 881065A CH 438417 A CH438417 A CH 438417A
Authority
CH
Switzerland
Prior art keywords
grid
manufacturing
obtained according
ray tube
cathode ray
Prior art date
Application number
CH881065A
Other languages
French (fr)
Inventor
Raymond Cahen Roger
Pierre Drifford Jean
Original Assignee
Cft Comp Fse Television
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 Cft Comp Fse Television filed Critical Cft Comp Fse Television
Publication of CH438417A publication Critical patent/CH438417A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • 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
    • H01J2893/0024—Planar grids
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Particle Accelerators (AREA)
  • Wire Processing (AREA)
CH881065A 1964-06-25 1965-06-23 Process for manufacturing a flat grid for a cathode ray tube and grid obtained according to this process CH438417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979564A FR1407802A (en) 1964-06-25 1964-06-25 Improvements to flat grids for cathode ray tubes and their manufacturing processes

Publications (1)

Publication Number Publication Date
CH438417A true CH438417A (en) 1967-06-30

Family

ID=8833161

Family Applications (1)

Application Number Title Priority Date Filing Date
CH881065A CH438417A (en) 1964-06-25 1965-06-23 Process for manufacturing a flat grid for a cathode ray tube and grid obtained according to this process

Country Status (13)

Country Link
US (1) US3357459A (en)
AT (1) AT260312B (en)
BE (1) BE665457A (en)
BR (1) BR6570583D0 (en)
CH (1) CH438417A (en)
DE (1) DE1277307B (en)
DK (1) DK111898B (en)
ES (2) ES314584A1 (en)
FR (1) FR1407802A (en)
GB (1) GB1076003A (en)
LU (1) LU48920A1 (en)
NL (1) NL146324B (en)
SE (1) SE305884B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1566330A (en) * 1968-02-01 1969-05-09
JPS606066B2 (en) * 1979-04-18 1985-02-15 ソニー株式会社 Color cathode ray tube grid device
US4790786A (en) * 1987-05-18 1988-12-13 Zenith Elecronics Corporation Factory fixture frame for an in-process tension mask color cathode ray tube
US4934974A (en) * 1987-12-31 1990-06-19 Zenith Electronics Corporation Factory fixture frame with means for temporarily and removably supporting an in-process tension mask for a color cathode ray tube
US4772238A (en) * 1987-12-30 1988-09-20 Zenith Electronics Corporation Foil mask stretching apparatus and process
US5613889A (en) * 1995-07-26 1997-03-25 Nosker; Richard W. Method of making a tensioned focus mask

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2068675A (en) * 1935-01-16 1937-01-26 Richard D Heller Method of and apparatus for manufacturing screens
GB721523A (en) * 1952-01-08 1955-01-05 Chromatic Television Lab Inc Display surface for color television tubes
NL193792A (en) * 1954-01-14
US2998033A (en) * 1957-02-12 1961-08-29 Sylvania Electric Prod Apparatus for producing cathode ray tubes
US3212532A (en) * 1963-02-19 1965-10-19 Westinghouse Electric Corp Grid winding

Also Published As

Publication number Publication date
NL146324B (en) 1975-06-16
US3357459A (en) 1967-12-12
GB1076003A (en) 1967-07-19
AT260312B (en) 1968-02-26
BR6570583D0 (en) 1973-07-10
SE305884B (en) 1968-11-11
ES318475A1 (en) 1966-03-16
ES314584A1 (en) 1966-03-01
NL6508168A (en) 1965-12-27
LU48920A1 (en) 1965-08-25
DK111898B (en) 1968-10-21
BE665457A (en) 1965-10-01
DE1277307B (en) 1968-09-12
FR1407802A (en) 1965-08-06

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