JPS55154341A - Multicomponent glass fiber for weather-resistant light transmission - Google Patents

Multicomponent glass fiber for weather-resistant light transmission

Info

Publication number
JPS55154341A
JPS55154341A JP6030579A JP6030579A JPS55154341A JP S55154341 A JPS55154341 A JP S55154341A JP 6030579 A JP6030579 A JP 6030579A JP 6030579 A JP6030579 A JP 6030579A JP S55154341 A JPS55154341 A JP S55154341A
Authority
JP
Japan
Prior art keywords
multicomponent glass
light transmission
glass fiber
weather
multicomponent
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.)
Granted
Application number
JP6030579A
Other languages
Japanese (ja)
Other versions
JPS5953222B2 (en
Inventor
Kunihide Sawamura
Takeshi Takano
Hironori Maki
Mitsuo Kasori
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP54060305A priority Critical patent/JPS5953222B2/en
Publication of JPS55154341A publication Critical patent/JPS55154341A/en
Publication of JPS5953222B2 publication Critical patent/JPS5953222B2/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
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

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)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)

Abstract

PURPOSE:To provide a multicomponent glass fiber for the light transmission with reduced alkali elution, excellent weather resistance, dimensional stability and remarkably improved durable life or the like, comprising a multicomponent glass for a core portion and a multicomponent glass for a clad layer with a reduced alkali content. CONSTITUTION:A multicomponent glass fiber for a step-type light transmission formed from (A) a multicomponent glass for a core portion comprising SiO2; 40- 80wt% (hereinafter %), which may be replaced by GeO2 within a range of 30% or less, Al2O3; 0.5-7%, an alkali metal oxide: 10-23%, CaO; 0-12%, ZrO2; 1-12%, B2O3; 0-15% and MgO; 0-5%, and (B) a multicomponent glass for a clad layer comprising SiO2; 60-80%, Al2O3; 0.5-10%, an alkali metal oxide; 9-17%, CaO; 0-5%, one or more of a component selected from ZnO, ZrO2, and TiO2; 0-7%, MgO; 0-4% and B2O3; 10-15%.
JP54060305A 1979-05-18 1979-05-18 Weather-resistant multi-component glass fiber for optical communications Expired JPS5953222B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54060305A JPS5953222B2 (en) 1979-05-18 1979-05-18 Weather-resistant multi-component glass fiber for optical communications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54060305A JPS5953222B2 (en) 1979-05-18 1979-05-18 Weather-resistant multi-component glass fiber for optical communications

Publications (2)

Publication Number Publication Date
JPS55154341A true JPS55154341A (en) 1980-12-01
JPS5953222B2 JPS5953222B2 (en) 1984-12-24

Family

ID=13138307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54060305A Expired JPS5953222B2 (en) 1979-05-18 1979-05-18 Weather-resistant multi-component glass fiber for optical communications

Country Status (1)

Country Link
JP (1) JPS5953222B2 (en)

Also Published As

Publication number Publication date
JPS5953222B2 (en) 1984-12-24

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