JPS52152243A - Production of optical transmission glass fibers - Google Patents

Production of optical transmission glass fibers

Info

Publication number
JPS52152243A
JPS52152243A JP6912876A JP6912876A JPS52152243A JP S52152243 A JPS52152243 A JP S52152243A JP 6912876 A JP6912876 A JP 6912876A JP 6912876 A JP6912876 A JP 6912876A JP S52152243 A JPS52152243 A JP S52152243A
Authority
JP
Japan
Prior art keywords
optical transmission
production
glass fibers
transmission glass
perous
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
JP6912876A
Other languages
Japanese (ja)
Other versions
JPS5849492B2 (en
Inventor
Tsuneo Nakahara
Kunio Fujiwara
Masao Hoshikawa
Shiro Kurosaki
Gotaro Tanaka
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP6912876A priority Critical patent/JPS5849492B2/en
Publication of JPS52152243A publication Critical patent/JPS52152243A/en
Publication of JPS5849492B2 publication Critical patent/JPS5849492B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:Productivity is increased and optical transmission characteristics are improved by forming specific perous optical glass rods or pipes, containing a dopant therein then subjecting them to melt-spinning.
JP6912876A 1976-06-12 1976-06-12 Manufacturing method of glass fiber for optical transmission Expired JPS5849492B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6912876A JPS5849492B2 (en) 1976-06-12 1976-06-12 Manufacturing method of glass fiber for optical transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6912876A JPS5849492B2 (en) 1976-06-12 1976-06-12 Manufacturing method of glass fiber for optical transmission

Publications (2)

Publication Number Publication Date
JPS52152243A true JPS52152243A (en) 1977-12-17
JPS5849492B2 JPS5849492B2 (en) 1983-11-04

Family

ID=13393681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6912876A Expired JPS5849492B2 (en) 1976-06-12 1976-06-12 Manufacturing method of glass fiber for optical transmission

Country Status (1)

Country Link
JP (1) JPS5849492B2 (en)

Also Published As

Publication number Publication date
JPS5849492B2 (en) 1983-11-04

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