JPS537339A - Optical glass fiber and its production - Google Patents

Optical glass fiber and its production

Info

Publication number
JPS537339A
JPS537339A JP7688976A JP7688976A JPS537339A JP S537339 A JPS537339 A JP S537339A JP 7688976 A JP7688976 A JP 7688976A JP 7688976 A JP7688976 A JP 7688976A JP S537339 A JPS537339 A JP S537339A
Authority
JP
Japan
Prior art keywords
optical glass
production
glass fiber
water
glass fibers
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.)
Pending
Application number
JP7688976A
Other languages
Japanese (ja)
Inventor
Shiro Takahashi
Shuichi Shibata
Mitsuho Yasu
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7688976A priority Critical patent/JPS537339A/en
Publication of JPS537339A publication Critical patent/JPS537339A/en
Pending 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)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Abstract

PURPOSE:Water-resistant glass fibers of high reliability are readily produced by performing protection of the optical glass fibers with water-resistant glass simultaneously at the time of preparing waveguide structure with a crucible process.
JP7688976A 1976-06-29 1976-06-29 Optical glass fiber and its production Pending JPS537339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7688976A JPS537339A (en) 1976-06-29 1976-06-29 Optical glass fiber and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7688976A JPS537339A (en) 1976-06-29 1976-06-29 Optical glass fiber and its production

Publications (1)

Publication Number Publication Date
JPS537339A true JPS537339A (en) 1978-01-23

Family

ID=13618194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7688976A Pending JPS537339A (en) 1976-06-29 1976-06-29 Optical glass fiber and its production

Country Status (1)

Country Link
JP (1) JPS537339A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548705A (en) * 1978-10-03 1980-04-08 Sumitomo Electric Ind Ltd Optical fiber

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110342A (en) * 1974-02-07 1975-08-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110342A (en) * 1974-02-07 1975-08-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548705A (en) * 1978-10-03 1980-04-08 Sumitomo Electric Ind Ltd Optical fiber

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