ES446781A1 - Glass compositions - Google Patents

Glass compositions

Info

Publication number
ES446781A1
ES446781A1 ES446781A ES446781A ES446781A1 ES 446781 A1 ES446781 A1 ES 446781A1 ES 446781 A ES446781 A ES 446781A ES 446781 A ES446781 A ES 446781A ES 446781 A1 ES446781 A1 ES 446781A1
Authority
ES
Spain
Prior art keywords
oxide
sodium
potassium
compounds
oxides
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
ES446781A
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.)
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
Publication of ES446781A1 publication Critical patent/ES446781A1/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
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • 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
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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
    • 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
    • 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
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/863—Vessels or containers characterised by the material thereof

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)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

A method of preparing glass for a cathode ray tube envelope for displaying television images, comprising melting a mixture of silicon dioxide or sodium or potassium silicate, sodium and potassium oxide, or sodium and potassium feldspar, barium oxide, alumina and, optionally, lead oxide, antimony thioxide, arsenic trioxide, fluoride, strontium oxide and zirconium oxide or zirconium silicate or compounds that produce these oxides, for heating mutual compounds of the mentioned oxides in amounts adequate to obtain a Li2O-free glass within the following range of compositions in percent by weight: (see graph) (Machine-translation by Google Translate, not legally binding)
ES446781A 1975-04-09 1976-04-07 Glass compositions Expired ES446781A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7504202A NL7504202A (en) 1975-04-09 1975-04-09 GLASS FOR CATHOD BEAM TUBES FOR DISPLAY OF TELEVISION IMAGES.

Publications (1)

Publication Number Publication Date
ES446781A1 true ES446781A1 (en) 1977-10-01

Family

ID=19823533

Family Applications (1)

Application Number Title Priority Date Filing Date
ES446781A Expired ES446781A1 (en) 1975-04-09 1976-04-07 Glass compositions

Country Status (12)

Country Link
JP (1) JPS51123209A (en)
AT (1) AT345905B (en)
AU (1) AU498819B2 (en)
BE (1) BE840488A (en)
BR (1) BR7602162A (en)
CA (1) CA1051041A (en)
DE (1) DE2613124C2 (en)
ES (1) ES446781A1 (en)
FR (1) FR2306948A1 (en)
GB (1) GB1518875A (en)
IT (1) IT1058778B (en)
NL (1) NL7504202A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7705731A (en) * 1977-05-25 1978-11-28 Philips Nv CATHOD BEAM TUBE.
FR2560870B1 (en) * 1984-03-09 1991-06-21 Corning Glass Works LOW LEAD OXIDE GLASSES USEFUL FOR THE PRODUCTION OF ELECTRICAL COMPONENTS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6907309A (en) * 1969-05-13 1970-11-17
BE757012A (en) * 1969-10-03 1971-04-02 Philips Nv GLASS FOR CATHODIC RAY TUBES USED FOR THE REPRODUCTION OF TELEVISION IMAGES
DE2142491B2 (en) * 1971-08-25 1975-05-28 Fried. Krupp Gmbh, 4300 Essen Cooling tower
NL7203860A (en) * 1972-03-23 1973-09-25

Also Published As

Publication number Publication date
BR7602162A (en) 1976-10-05
IT1058778B (en) 1982-05-10
AU498819B2 (en) 1979-03-29
AT345905B (en) 1978-10-10
NL7504202A (en) 1976-10-12
DE2613124A1 (en) 1976-10-14
JPS5435213B2 (en) 1979-11-01
CA1051041A (en) 1979-03-20
BE840488A (en) 1976-10-07
ATA246376A (en) 1978-02-15
FR2306948A1 (en) 1976-11-05
GB1518875A (en) 1978-07-26
JPS51123209A (en) 1976-10-27
DE2613124C2 (en) 1983-01-27
AU1284976A (en) 1977-10-13

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