CA974394A - Method of manufacturing a picture display screen for a cathode ray tube for displaying colour pictures - Google Patents

Method of manufacturing a picture display screen for a cathode ray tube for displaying colour pictures

Info

Publication number
CA974394A
CA974394A CA141,862A CA141862A CA974394A CA 974394 A CA974394 A CA 974394A CA 141862 A CA141862 A CA 141862A CA 974394 A CA974394 A CA 974394A
Authority
CA
Canada
Prior art keywords
manufacturing
display screen
ray tube
cathode ray
picture display
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
CA141,862A
Other languages
English (en)
Other versions
CA141862S (en
Inventor
Johannes J.A. Jonkers
Eric T. Ferguson
Pieter M. Van Den Avoort
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA974394A publication Critical patent/CA974394A/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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
CA141,862A 1971-05-12 1972-05-11 Method of manufacturing a picture display screen for a cathode ray tube for displaying colour pictures Expired CA974394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106493A NL7106493A (OSRAM) 1971-05-12 1971-05-12

Publications (1)

Publication Number Publication Date
CA974394A true CA974394A (en) 1975-09-16

Family

ID=19813139

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,862A Expired CA974394A (en) 1971-05-12 1972-05-11 Method of manufacturing a picture display screen for a cathode ray tube for displaying colour pictures

Country Status (5)

Country Link
CA (1) CA974394A (OSRAM)
DE (1) DE2220334A1 (OSRAM)
FR (1) FR2137710B1 (OSRAM)
GB (1) GB1387292A (OSRAM)
NL (1) NL7106493A (OSRAM)

Also Published As

Publication number Publication date
FR2137710B1 (OSRAM) 1977-04-01
GB1387292A (en) 1975-03-12
DE2220334A1 (de) 1972-11-23
FR2137710A1 (OSRAM) 1972-12-29
NL7106493A (OSRAM) 1972-11-14

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