AU574194B2 - Opticalfibre preform manufacture - Google Patents

Opticalfibre preform manufacture

Info

Publication number
AU574194B2
AU574194B2 AU43822/85A AU4382285A AU574194B2 AU 574194 B2 AU574194 B2 AU 574194B2 AU 43822/85 A AU43822/85 A AU 43822/85A AU 4382285 A AU4382285 A AU 4382285A AU 574194 B2 AU574194 B2 AU 574194B2
Authority
AU
Australia
Prior art keywords
opticalfibre
preform manufacture
preform
manufacture
opticalfibre preform
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.)
Ceased
Application number
AU43822/85A
Other languages
English (en)
Other versions
AU4382285A (en
Inventor
Yoichi Ishiguro
Michihisa Kyoto
Minoru Watanabe
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
Publication of AU4382285A publication Critical patent/AU4382285A/en
Application granted granted Critical
Publication of AU574194B2 publication Critical patent/AU574194B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C03B37/014Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • 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
    • C03B37/014Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
AU43822/85A 1984-09-19 1985-06-19 Opticalfibre preform manufacture Ceased AU574194B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59194793A JPS6172644A (ja) 1984-09-19 1984-09-19 低損失光フアイバの製造方法
JP59-194793U 1984-09-19

Publications (2)

Publication Number Publication Date
AU4382285A AU4382285A (en) 1986-03-27
AU574194B2 true AU574194B2 (en) 1988-06-30

Family

ID=16330348

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43822/85A Ceased AU574194B2 (en) 1984-09-19 1985-06-19 Opticalfibre preform manufacture

Country Status (8)

Country Link
US (1) US4664690A (en, 2012)
EP (1) EP0175067B1 (en, 2012)
JP (1) JPS6172644A (en, 2012)
KR (1) KR890003707B1 (en, 2012)
AU (1) AU574194B2 (en, 2012)
CA (1) CA1238246A (en, 2012)
DE (1) DE3565249D1 (en, 2012)
DK (1) DK162384C (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU609621B2 (en) * 1988-06-28 1991-05-02 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
JPH0791081B2 (ja) * 1986-07-03 1995-10-04 住友電気工業株式会社 シングルモ−ドフアイバ用ガラス母材の製造方法
JP2565712B2 (ja) * 1987-07-20 1996-12-18 株式会社フジクラ 光フアイバの製造方法
JP2640745B2 (ja) * 1987-07-20 1997-08-13 株式会社 フジクラ 不透明ガラスプリフオームの製造方法
JP2640746B2 (ja) * 1987-08-03 1997-08-13 株式会社 フジクラ 光フアイバ用中間製品の製造方法
US5303318A (en) * 1991-11-01 1994-04-12 Nippon Telegraph & Telephone Corporation High power acceptable optical fiber and fabrication method thereof
US5641333A (en) * 1995-12-01 1997-06-24 Corning Incorporated Increasing the retention of Ge02 during production of glass articles
KR20020012547A (ko) * 1999-04-26 2002-02-16 알프레드 엘. 미첼슨 낮은 물 피크를 갖는 광도파관 섬유 및 이의 제조방법
US6904772B2 (en) * 2000-12-22 2005-06-14 Corning Incorporated Method of making a glass preform for low water peak optical fiber
US6723435B1 (en) * 2001-08-28 2004-04-20 Nanogram Corporation Optical fiber preforms
KR101166205B1 (ko) * 2003-03-21 2012-07-18 헤라에우스 테네보 게엠베하 모재의 제조를 위한 합성 실리카 글래스 튜브, 수직 인발공정을 이용한 합성 실리카 글래스 튜브의 제조방법 및상기 튜브의 이용
US20110100064A1 (en) * 2004-12-23 2011-05-05 Nextrom Holling, S. A. Method and apparatus for manufacturing an optical fiber core rod
EP3718976A4 (en) * 2017-12-01 2021-09-22 Furukawa Electric Co. Ltd. DEVICE FOR MANUFACTURING GLASS BODY, PROCESS FOR MANUFACTURING GLASS BODY, SOOT TRANSPORT MECHANISM AND SOOT HEATING MECHANISM

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
US4338111A (en) * 1979-12-20 1982-07-06 Nippon Telegraph & Telephone Public Corporation Process for producing a glass preform for optical fiber
US4552576A (en) * 1983-08-22 1985-11-12 The Furukawa Electric Co., Ltd. Method of fabricating optical glass base material and apparatus for fabricating the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933454A (en) * 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
US4367085A (en) * 1980-01-07 1983-01-04 Nippon Telegraph & Telephone Public Corporation Method of fabricating multi-mode optical fiber preforms
JPS5711842A (en) * 1980-06-26 1982-01-21 Nippon Telegr & Teleph Corp <Ntt> Preparation of base material for optical fiber and preparing apparatus
JPS57140328A (en) * 1981-02-20 1982-08-30 Hitachi Ltd Manufacture of base material for optical fiber
US4378985A (en) * 1981-06-04 1983-04-05 Corning Glass Works Method and apparatus for forming an optical waveguide fiber
JPS58140336A (ja) * 1982-02-12 1983-08-20 Shin Etsu Chem Co Ltd 光フアイバ−用母材の製造方法
JPS6148437A (ja) * 1984-08-17 1986-03-10 Sumitomo Electric Ind Ltd GeO↓2−SiO↓2系ガラス母材の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338111A (en) * 1979-12-20 1982-07-06 Nippon Telegraph & Telephone Public Corporation Process for producing a glass preform for optical fiber
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
US4552576A (en) * 1983-08-22 1985-11-12 The Furukawa Electric Co., Ltd. Method of fabricating optical glass base material and apparatus for fabricating the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU609621B2 (en) * 1988-06-28 1991-05-02 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber

Also Published As

Publication number Publication date
KR860002430A (ko) 1986-04-26
US4664690A (en) 1987-05-12
DE3565249D1 (en) 1988-11-03
DK400585A (da) 1986-03-20
EP0175067A1 (en) 1986-03-26
JPS6172644A (ja) 1986-04-14
DK162384C (da) 1992-03-23
DK400585D0 (da) 1985-09-02
AU4382285A (en) 1986-03-27
CA1238246A (en) 1988-06-21
EP0175067B1 (en) 1988-09-28
DK162384B (da) 1991-10-21
JPH05350B2 (en, 2012) 1993-01-05
KR890003707B1 (ko) 1989-09-30

Similar Documents

Publication Publication Date Title
AU585919B2 (en) Moulding process
AU4222285A (en) Pyrrolobenzimidazoles
AU3839785A (en) Sammelpackung
AU4254685A (en) Arylhydroxamates
AU577938B2 (en) Glass preform manufacture
AU4256585A (en) 1-heteroaryl-4-aryl-pyrazolin-5-ones
AU3749685A (en) Induktionsmotor
AU4105285A (en) Tetrahydrofuran-2-ylmethylamines
AU4061285A (en) Schaltersicherungseinheit
AU571114B2 (en) Glass preform manufacture
AU574194B2 (en) Opticalfibre preform manufacture
AU550789B2 (en) Blow moulding
AU584104B2 (en) Novel isoindolinyl-alkyl-piperazines
AU4118385A (en) Verbindungselement
AU590229B2 (en) Novel homopropargylamines
AU569067B2 (en) Preform preparation
AU4061585A (en) Automatisk fadolsaftapningsanlaeg
AU4271085A (en) Metallophosphoaluminates
AU4216685A (en) Aminocarnitines
AU3067684A (en) Helicoplane
AU4336485A (en) Preform fabrication process
AU4200785A (en) Diamino - 6 - halogeno - 5 - alkylthio-pyrimidines
AU3884285A (en) Heibmangel
AU4271185A (en) Ferrophosphoaluminates
AU4163585A (en) Benzothiopyranones