ES406667A1 - Colour tv picture tube - Google Patents

Colour tv picture tube

Info

Publication number
ES406667A1
ES406667A1 ES406667A ES406667A ES406667A1 ES 406667 A1 ES406667 A1 ES 406667A1 ES 406667 A ES406667 A ES 406667A ES 406667 A ES406667 A ES 406667A ES 406667 A1 ES406667 A1 ES 406667A1
Authority
ES
Spain
Prior art keywords
openings
fader
shadow
colour
picture tube
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
ES406667A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES406667A1 publication Critical patent/ES406667A1/en
Expired legal-status Critical Current

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
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • H01J9/144—Mask treatment related to the process of dot deposition during manufacture of luminescent screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

A manufacturing method for enhancing color television picture tubes, which refers to the manufacture of a shadow fader. The method includes reducing the size of the shadow fader openings by spray coating, while maintaining a forced current through those openings and in the spray direction. The method also includes restoring the openings to their original size by dissolving the deposited layer. (Machine-translation by Google Translate, not legally binding)
ES406667A 1971-09-15 1972-09-14 Colour tv picture tube Expired ES406667A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4292471A GB1364078A (en) 1971-09-15 1971-09-15 Colour tv picture tube

Publications (1)

Publication Number Publication Date
ES406667A1 true ES406667A1 (en) 1975-09-16

Family

ID=10426575

Family Applications (1)

Application Number Title Priority Date Filing Date
ES406667A Expired ES406667A1 (en) 1971-09-15 1972-09-14 Colour tv picture tube

Country Status (7)

Country Link
JP (1) JPS4838975A (en)
AU (1) AU471570B2 (en)
DE (1) DE2244710A1 (en)
ES (1) ES406667A1 (en)
FR (1) FR2153027B1 (en)
GB (1) GB1364078A (en)
NL (1) NL7212493A (en)

Also Published As

Publication number Publication date
AU4650372A (en) 1974-03-21
GB1364078A (en) 1974-08-21
DE2244710A1 (en) 1973-03-22
FR2153027B1 (en) 1977-09-02
FR2153027A1 (en) 1973-04-27
JPS4838975A (en) 1973-06-08
NL7212493A (en) 1973-03-19
AU471570B2 (en) 1976-04-29

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