CA918181A - Glass for television display cathode-ray tubes - Google Patents

Glass for television display cathode-ray tubes

Info

Publication number
CA918181A
CA918181A CA082385A CA82385A CA918181A CA 918181 A CA918181 A CA 918181A CA 082385 A CA082385 A CA 082385A CA 82385 A CA82385 A CA 82385A CA 918181 A CA918181 A CA 918181A
Authority
CA
Canada
Prior art keywords
glass
ray tubes
television display
display cathode
cathode
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
CA082385A
Inventor
M. La Grouw Coenraad
W. T. Van Den Wittenboer Cornelus
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 CA918181A publication Critical patent/CA918181A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
CA082385A 1969-05-13 1970-05-11 Glass for television display cathode-ray tubes Expired CA918181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6907309A NL6907309A (en) 1969-05-13 1969-05-13

Publications (1)

Publication Number Publication Date
CA918181A true CA918181A (en) 1973-01-02

Family

ID=19806938

Family Applications (1)

Application Number Title Priority Date Filing Date
CA082385A Expired CA918181A (en) 1969-05-13 1970-05-11 Glass for television display cathode-ray tubes

Country Status (7)

Country Link
AU (1) AU1465170A (en)
BE (1) BE750252A (en)
CA (1) CA918181A (en)
DE (1) DE2019403A1 (en)
FR (1) FR2047673A5 (en)
GB (1) GB1261873A (en)
NL (1) NL6907309A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7504202A (en) * 1975-04-09 1976-10-12 Philips Nv GLASS FOR CATHOD BEAM TUBES FOR DISPLAY OF TELEVISION IMAGES.

Also Published As

Publication number Publication date
DE2019403A1 (en) 1970-11-19
AU1465170A (en) 1971-11-11
BE750252A (en) 1970-11-12
GB1261873A (en) 1972-01-26
NL6907309A (en) 1970-11-17
FR2047673A5 (en) 1971-03-12

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