DK267985A - Fremgangsmaade til fremstilling af glasraaemne til optiske fibre - Google Patents

Fremgangsmaade til fremstilling af glasraaemne til optiske fibre Download PDF

Info

Publication number: DK267985A
Authority: DK; Denmark
Prior art keywords: optical fibers; glass frame; manufacturing glass; manufacturing; frame
Prior art date: 1984-06-18

Application number

DK267985A

Other languages

English (en)

Other versions

DK163658B (da

DK267985D0 (da

DK163658C (da

Inventor

Michihisa Kyoto

Minoru Watanabe

Shigeru Tanaka

Motohiro Nakahara

Original Assignee

Sumitomo Electric Industries

Nippon Telegraph & Telephone

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.)

1984-06-18

Filing date

1985-06-13

Publication date

1985-12-19

1985-06-13 Application filed by Sumitomo Electric Industries, Nippon Telegraph & Telephone filed Critical Sumitomo Electric Industries

1985-06-13 Publication of DK267985D0 publication Critical patent/DK267985D0/da

1985-12-19 Publication of DK267985A publication Critical patent/DK267985A/da

1992-03-23 Publication of DK163658B publication Critical patent/DK163658B/da

1992-08-17 Application granted granted Critical

1992-08-17 Publication of DK163658C publication Critical patent/DK163658C/da

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
- C03B37/10—Non-chemical treatment
- C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture 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]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
- C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture 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]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S65/00—Glass manufacturing
- Y10S65/90—Drying, dehydration, minimizing oh groups

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (AREA)
Glass Compositions (AREA)
Manufacture, Treatment Of Glass Fibers (AREA)
Glass Melting And Manufacturing (AREA)

DK267985A 1984-06-18 1985-06-13 Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre DK163658C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP12378384		1984-06-18
JP59123783A JP2549615B2 (ja)	1984-06-18	1984-06-18	光フアイバ用ガラス母材の焼結方法

Publications (4)

Publication Number	Publication Date
DK267985D0 DK267985D0 (da)	1985-06-13
DK267985A true DK267985A (da)	1985-12-19
DK163658B DK163658B (da)	1992-03-23
DK163658C DK163658C (da)	1992-08-17

Family

ID=14869180

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK267985A DK163658C (da)	1984-06-18	1985-06-13	Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre

Country Status (8)

Country	Link
US (1)	US4902325A (da)
EP (1)	EP0167054B1 (da)
JP (1)	JP2549615B2 (da)
KR (1)	KR890001123B1 (da)
AU (1)	AU574793B2 (da)
CA (1)	CA1265711A (da)
DE (1)	DE3566528D1 (da)
DK (1)	DK163658C (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
JPS61174146A (ja) *	1985-01-25	1986-08-05	Sumitomo Electric Ind Ltd	光フアイバ及びその製造方法
DE3511439A1 (de) *	1985-03-29	1986-10-09	Philips Patentverwaltung Gmbh, 2000 Hamburg	Verfahren zur herstellung von glaskoerpern
US4741748A (en) *	1986-01-30	1988-05-03	Corning Glass Works	Heating oven for preparing optical waveguide fibers
US5028246A (en) *	1986-02-03	1991-07-02	Ensign-Bickford Optical Technologies, Inc.	Methods of making optical waveguides
DE3619510A1 (de) *	1986-06-10	1987-12-17	Philips Patentverwaltung	Verfahren zur herstellung von glas- oder keramischen koerpern
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
US5086352A (en) *	1989-06-09	1992-02-04	Shin-Etsu Quartz Products Co., Ltd.	Optical members and blanks or synthetic silica glass and method for their production
US6334338B1 (en) *	1998-07-02	2002-01-01	Lucent Technologies Inc.	Sol gel process of making a fiber preform with removal of oxide particles
US6776012B2 (en) *	2001-06-26	2004-08-17	Fitel Usa Corp.	Method of making an optical fiber using preform dehydration in an environment of chlorine-containing gas, fluorine-containing gases and carbon monoxide
US20020197005A1 (en) *	2001-06-26	2002-12-26	Chang Kai H.	Method and apparatus for fabricating optical fiber using adjustment of oxygen stoichiometry
JPWO2005049516A1 (ja)	2003-11-18	2007-06-07	株式会社フジクラ	光ファイバ裸線の線引方法、光ファイバ素線の製造方法、光ファイバ素線
US9018089B2 (en) *	2011-08-30	2015-04-28	International Business Machines Corporation	Multiple step anneal method and semiconductor formed by multiple step anneal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4125388A (en) *	1976-12-20	1978-11-14	Corning Glass Works	Method of making optical waveguides
JPS54103058A (en) *	1978-01-31	1979-08-14	Nippon Telegr & Teleph Corp <Ntt>	Production of anhydride glass material for optical fibers
US4263031A (en) *	1978-06-12	1981-04-21	Corning Glass Works	Method of producing glass optical filaments
JPS5688836A (en) *	1979-12-20	1981-07-18	Nippon Telegr & Teleph Corp <Ntt>	Preparation of glass stock for optical fiber
JPS5858299B2 (ja) *	1980-05-24	1983-12-24	日本電信電話株式会社	低損失光ファイバ用多孔質母材の脱水焼結方法
US4304583A (en) *	1980-06-02	1981-12-08	Corning Glass Works	Process for drying optical waveguide preforms
JPS60260436A (ja) *	1984-06-08	1985-12-23	Sumitomo Electric Ind Ltd	光フアイバ用ガラス母材の製造方法

1984
- 1984-06-18 JP JP59123783A patent/JP2549615B2/ja not_active Expired - Lifetime
1985
- 1985-06-13 DK DK267985A patent/DK163658C/da not_active IP Right Cessation
- 1985-06-14 AU AU43678/85A patent/AU574793B2/en not_active Expired
- 1985-06-17 CA CA000484182A patent/CA1265711A/en not_active Expired - Lifetime
- 1985-06-18 EP EP85107511A patent/EP0167054B1/en not_active Expired
- 1985-06-18 KR KR1019850004309A patent/KR890001123B1/ko not_active IP Right Cessation
- 1985-06-18 DE DE8585107511T patent/DE3566528D1/de not_active Expired
1986
- 1986-11-10 US US06/928,727 patent/US4902325A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA1265711A (en)	1990-02-13
EP0167054A1 (en)	1986-01-08
AU574793B2 (en)	1988-07-14
DE3566528D1 (en)	1989-01-05
DK163658B (da)	1992-03-23
JPS616144A (ja)	1986-01-11
US4902325A (en)	1990-02-20
JP2549615B2 (ja)	1996-10-30
KR890001123B1 (ko)	1989-04-24
KR860000223A (ko)	1986-01-27
AU4367885A (en)	1986-01-02
DK267985D0 (da)	1985-06-13
DK163658C (da)	1992-08-17
EP0167054B1 (en)	1988-11-30

Publication	Publication Date	Title
DK162838C (da)	1992-05-18	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK89785D0 (da)	1985-02-27	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK164222C (da)	1992-10-26	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK158940C (da)	1991-01-14	Fremgangsmaade til fremstilling af raaemne til optiske fibre
DK158939C (da)	1991-01-14	Fremgangsmaade til fremstilling af raaemne til optiske fibre
DK478986A (da)	1987-04-10	Fremgangsmaade til fremstilling af optiske fibre
DK612289A (da)	1990-06-08	Fremgangsmaade til fremstilling af optiske fibre ved oploesnings-doteringsteknikken
DK455085A (da)	1986-04-06	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK158897C (da)	1990-12-31	Optisk kvartsglasfiber
DK164099C (da)	1992-10-12	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK267985A (da)	1985-12-19	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK400585D0 (da)	1985-09-02	Fremgangsmaade til fremstilling af raaemne til optiske fibre
NO832708L (no)	1984-01-27	Fremgangsmaate til fremstilling av optiske glassfiber
DK258285A (da)	1985-12-09	Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK372185D0 (da)	1985-08-15	Fremgangsmaade til fremstilling af raaemne til optiske fibre
IT1139369B (it)	1986-09-24	Metodo di giuntaggio per fusione di fibre ottiche
DK389084D0 (da)	1984-08-10	Glas til optiske fibre
DK38581A (da)	1981-07-29	Fremgangsmaade til fremstilling af optiske glasfibre samt optiske glasfibre
DK507484D0 (da)	1984-10-24	Fremgangsmaade til fremstilling af optisk fiberformemne
FR2540997B1 (fr)	1987-02-27	Procede de fabrication de fibres optiques
KR850003367A (ko)	1985-06-17	광 파이버용 유리모제의 제조방법
DK163425C (da)	1992-07-20	Fremgangsmaade til fremstilling af et raaemne til optiske fibre

Legal Events

Date	Code	Title	Description
2005-01-31	PBP	Patent lapsed	Country of ref document: DK