JPS60176939A - 光フアイバ用プリフオ−ムの製造装置 - Google Patents

光フアイバ用プリフオ−ムの製造装置

Info

Publication number
JPS60176939A
JPS60176939A JP3251284A JP3251284A JPS60176939A JP S60176939 A JPS60176939 A JP S60176939A JP 3251284 A JP3251284 A JP 3251284A JP 3251284 A JP3251284 A JP 3251284A JP S60176939 A JPS60176939 A JP S60176939A
Authority
JP
Japan
Prior art keywords
core
crucible
mold
glass
clad
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
JP3251284A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6346012B2 (enrdf_load_stackoverflow
Inventor
Nariyuki Mitachi
成幸 三田地
Shiro Takahashi
志郎 高橋
Yasutake Oishi
泰丈 大石
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.)
Nippon Telegraph and Telephone Corp
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 JP3251284A priority Critical patent/JPS60176939A/ja
Publication of JPS60176939A publication Critical patent/JPS60176939A/ja
Publication of JPS6346012B2 publication Critical patent/JPS6346012B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01265Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01268Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by casting
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/80Non-oxide glasses or glass-type compositions
    • C03B2201/82Fluoride glasses, e.g. ZBLAN glass

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)
JP3251284A 1984-02-24 1984-02-24 光フアイバ用プリフオ−ムの製造装置 Granted JPS60176939A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3251284A JPS60176939A (ja) 1984-02-24 1984-02-24 光フアイバ用プリフオ−ムの製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3251284A JPS60176939A (ja) 1984-02-24 1984-02-24 光フアイバ用プリフオ−ムの製造装置

Publications (2)

Publication Number Publication Date
JPS60176939A true JPS60176939A (ja) 1985-09-11
JPS6346012B2 JPS6346012B2 (enrdf_load_stackoverflow) 1988-09-13

Family

ID=12361029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3251284A Granted JPS60176939A (ja) 1984-02-24 1984-02-24 光フアイバ用プリフオ−ムの製造装置

Country Status (1)

Country Link
JP (1) JPS60176939A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03232734A (ja) * 1990-02-08 1991-10-16 Kokusai Denshin Denwa Co Ltd <Kdd> フッ化物ガラスファイバ用母材の製造方法及び装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03232734A (ja) * 1990-02-08 1991-10-16 Kokusai Denshin Denwa Co Ltd <Kdd> フッ化物ガラスファイバ用母材の製造方法及び装置

Also Published As

Publication number Publication date
JPS6346012B2 (enrdf_load_stackoverflow) 1988-09-13

Similar Documents

Publication Publication Date Title
US4145200A (en) Production of optical glass fibers
US4466818A (en) Double crucible method of fabricating optical fibers
US4519826A (en) Optical fibers having a fluoride glass cladding and method of making
US4897100A (en) Apparatus and process for fiberizing fluoride glasses using a double crucible and the compositions produced thereby
US5106400A (en) Casting core/clad glass preforms method and apparatus
US5656058A (en) Apparatus for inserting a core fiber into a partially molten cladding glass to form an optical fiber preform
US5879426A (en) Process for making optical fibers from core and cladding glass rods
US4163654A (en) Method of manufacturing graded index optical fibers
US5055120A (en) Fluoride glass fibers with reduced defects
US4289516A (en) Low loss optical fibers
US5679127A (en) Apparatus for drawing glass from a containment vessel to make optical fiber preforms
JPS62288127A (ja) ガラスファイバ線引き用母材の製造方法
JPS60176939A (ja) 光フアイバ用プリフオ−ムの製造装置
JP2566128B2 (ja) 光ファイバ用プリフォームの製造用鋳型およびこの鋳型を用いた光ファイバ用プリフォームの製造方法
JPS60176938A (ja) 光フアイバ用プリフオ−ムの製造方法
JPS6321232A (ja) 光フアイバ用プリフオ−ムの製造方法
JPH0535096B2 (enrdf_load_stackoverflow)
JPH0218294B2 (enrdf_load_stackoverflow)
JPS593030A (ja) 赤外光フアイバ母材の製造方法
JPS6121175B2 (enrdf_load_stackoverflow)
JPS6311535A (ja) 光ファイバ用プリフォームの製造用鋳型
JPS6035297B2 (ja) 滴下回転光フアイバ用母材の製造方法
JPH0667769B2 (ja) 光フアイバ用母材の製造方法およびその製造装置
JPS6245181B2 (enrdf_load_stackoverflow)
JPH0764577B2 (ja) カルコゲナイドガラスファイバー用プリフォームの製造方法