IT984422B - Vetro per tubi catodici per la presentazione di immagini tele visive - Google Patents

Vetro per tubi catodici per la presentazione di immagini tele visive

Info

Publication number
IT984422B
IT984422B IT6779173A IT6779173A IT984422B IT 984422 B IT984422 B IT 984422B IT 6779173 A IT6779173 A IT 6779173A IT 6779173 A IT6779173 A IT 6779173A IT 984422 B IT984422 B IT 984422B
Authority
IT
Italy
Prior art keywords
tele
presentation
glass
visual images
cathode tubes
Prior art date
Application number
IT6779173A
Other languages
English (en)
Italian (it)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT984422B publication Critical patent/IT984422B/it

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
    • C03C3/078—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
    • 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
    • C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
    • C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
    • 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)
  • Electrodes For Cathode-Ray Tubes (AREA)
IT6779173A 1972-03-23 1973-03-20 Vetro per tubi catodici per la presentazione di immagini tele visive IT984422B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7203860A NL7203860A (de) 1972-03-23 1972-03-23

Publications (1)

Publication Number Publication Date
IT984422B true IT984422B (it) 1974-11-20

Family

ID=19815680

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6779173A IT984422B (it) 1972-03-23 1973-03-20 Vetro per tubi catodici per la presentazione di immagini tele visive

Country Status (10)

Country Link
JP (1) JPS497316A (de)
BE (1) BE797134A (de)
BR (1) BR7301974D0 (de)
CA (1) CA977781A (de)
DE (1) DE2311665B2 (de)
ES (1) ES412891A1 (de)
FR (1) FR2177042B1 (de)
GB (1) GB1396223A (de)
IT (1) IT984422B (de)
NL (1) NL7203860A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7401936A (nl) * 1974-02-13 1975-08-15 Philips Nv Glas voor kathodestraalbuizen voor televisie- ave.
NL7504202A (nl) * 1975-04-09 1976-10-12 Philips Nv Glas voor kathodestraalbuizen voor weergave van televisiebeelden.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU303854A1 (ru) * 1969-05-05 1971-07-16 Е. А. Файнберг, С. Э. Питерских , О. М. Смирнова Электровакуумное стекло

Also Published As

Publication number Publication date
ES412891A1 (es) 1975-12-16
BR7301974D0 (pt) 1974-07-25
CA977781A (en) 1975-11-11
GB1396223A (en) 1975-06-04
AU5344573A (en) 1974-09-19
FR2177042A1 (de) 1973-11-02
FR2177042B1 (de) 1977-09-02
NL7203860A (de) 1973-09-25
DE2311665B2 (de) 1979-08-30
DE2311665A1 (de) 1973-10-04
JPS497316A (de) 1974-01-23
BE797134A (fr) 1973-09-21

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