DE3763734D1 - Herstellung einer glasfaser. - Google Patents
Herstellung einer glasfaser.Info
- Publication number
- DE3763734D1 DE3763734D1 DE8787302674T DE3763734T DE3763734D1 DE 3763734 D1 DE3763734 D1 DE 3763734D1 DE 8787302674 T DE8787302674 T DE 8787302674T DE 3763734 T DE3763734 T DE 3763734T DE 3763734 D1 DE3763734 D1 DE 3763734D1
- Authority
- DE
- Germany
- Prior art keywords
- sponges
- fiberglass
- manufacture
- ercl3
- ndcl3
- 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.)
- Expired - Fee Related
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
- C03B37/012—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]
- C03B37/018—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] 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
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
-
- 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
-
- 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
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868610053A GB8610053D0 (en) | 1986-04-24 | 1986-04-24 | Glass fibre |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3763734D1 true DE3763734D1 (de) | 1990-08-23 |
Family
ID=10596769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787302674T Expired - Fee Related DE3763734D1 (de) | 1986-04-24 | 1987-03-27 | Herstellung einer glasfaser. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4799946A (de) |
EP (1) | EP0243010B1 (de) |
JP (1) | JPS62256737A (de) |
AT (1) | ATE54656T1 (de) |
CA (1) | CA1312470C (de) |
DE (1) | DE3763734D1 (de) |
ES (1) | ES2016350B3 (de) |
GB (1) | GB8610053D0 (de) |
GR (1) | GR3000661T3 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2621909B1 (de) * | 1987-10-16 | 1990-01-19 | Comp Generale Electricite | |
US5282079A (en) * | 1988-06-10 | 1994-01-25 | Pirelli General Plc | Optical fibre amplifier |
IT1219404B (it) * | 1988-06-27 | 1990-05-11 | Sip | Procedimento e apparecchiatura per la fabbricazione di fibre ottiche in silice |
JPH0662311B2 (ja) * | 1988-12-07 | 1994-08-17 | シツプ‐ソシエタ・イタリアーナ・ペル・レセルチツイオ・デル・テレコミニカイオーニ・ピー・アー | シリカを基材としたファイバープリフォームのコアをドープする方法 |
GB2231168A (en) * | 1989-04-27 | 1990-11-07 | Stc Plc | Optical fibres |
GB2231169A (en) * | 1989-04-27 | 1990-11-07 | Stc Plc | Optical fibres |
US5284500A (en) * | 1989-10-31 | 1994-02-08 | Fujitsu Limited | Process for fabricating an optical fiber preform |
EP0451293B1 (de) * | 1989-10-31 | 1996-07-10 | Fujitsu Limited | Herstellungsverfahren für ein grundmaterial für optische fasern |
IT1250320B (it) * | 1991-10-15 | 1995-04-07 | Sip | Procedimento per la fabbricazione di guide ottiche attive a striscia monomodali per telecomunicazioni ottiche |
AU657845B2 (en) * | 1992-03-17 | 1995-03-23 | Sumitomo Electric Industries, Ltd. | Method and apparatus for producing glass thin film |
US5633974A (en) * | 1994-09-27 | 1997-05-27 | The Whitaker Corporation | All fiber attenuator |
US5651085A (en) * | 1994-09-27 | 1997-07-22 | Chia; Shin-Lo | All fiber attenuator |
US6498888B1 (en) | 1998-04-22 | 2002-12-24 | Institut National D'optique | High-attenuation fiber with cladding mode suppression for all-fiber optical attenuator |
JP2000252558A (ja) | 1999-02-26 | 2000-09-14 | Sumitomo Electric Ind Ltd | 光増幅用光ファイバおよびその製造方法 |
US6474106B1 (en) * | 1999-11-30 | 2002-11-05 | Corning Incorporated | Rare earth and alumina-doped optical fiber preform process |
KR20020073748A (ko) * | 2001-03-16 | 2002-09-28 | (주)옵토네스트 | 수정된 화학기상증착법에 의한 광섬유모재 제조방법 및이를 이용하여 제조된 비선형광섬유 |
KR100450928B1 (ko) * | 2001-07-23 | 2004-10-02 | 삼성전자주식회사 | 수정된 화학기상 증착법을 이용한 광섬유 모재의 제조장치 및 방법 |
US6574406B2 (en) | 2001-09-11 | 2003-06-03 | Corning Incorporated | Selectively absorbing optical fibers for optical amplifiers |
US20030221459A1 (en) * | 2002-05-31 | 2003-12-04 | Walczak Wanda J. | Method for forming an optical waveguide fiber preform |
FI116567B (fi) * | 2003-09-29 | 2005-12-30 | Liekki Oy | Menetelmä sekä järjestelmä seostetun lasimateriaalin lähtöaineiden kaasuvirtauksen muodostamiseksi |
US8172983B2 (en) * | 2007-09-12 | 2012-05-08 | Nalco Company | Controllable filler prefloculation using a dual polymer system |
US9752283B2 (en) | 2007-09-12 | 2017-09-05 | Ecolab Usa Inc. | Anionic preflocculation of fillers used in papermaking |
US8088250B2 (en) | 2008-11-26 | 2012-01-03 | Nalco Company | Method of increasing filler content in papermaking |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3864113A (en) * | 1973-10-19 | 1975-02-04 | Corning Glass Works | Method of Producing Glass by Flame Hydrolysis |
US3971645A (en) * | 1975-09-12 | 1976-07-27 | Bell Telephone Laboratories, Incorporated | Method of making compound-glass optical waveguides fabricated by a metal evaporation technique |
JPH0234894B2 (ja) * | 1982-03-25 | 1990-08-07 | Kogyo Gijutsuin | Kisohannogarasuseizosochinogenryogasukyokyuki |
US4597787A (en) * | 1984-11-13 | 1986-07-01 | Ispra Fibroptics Industries Herzlia Ltd. | Manufacture of optical fibre preforms |
WO1987001246A1 (en) * | 1985-08-13 | 1987-02-26 | Robert Joseph Mears | Fibre-optic lasers and amplifiers |
US4666486A (en) * | 1985-09-24 | 1987-05-19 | Hutta Joseph J | Process for making bulk heavy metal fluoride glasses |
-
1986
- 1986-04-24 GB GB868610053A patent/GB8610053D0/en active Pending
-
1987
- 1987-03-18 CA CA000532349A patent/CA1312470C/en not_active Expired - Lifetime
- 1987-03-20 US US07/028,213 patent/US4799946A/en not_active Expired - Lifetime
- 1987-03-27 DE DE8787302674T patent/DE3763734D1/de not_active Expired - Fee Related
- 1987-03-27 AT AT87302674T patent/ATE54656T1/de not_active IP Right Cessation
- 1987-03-27 EP EP87302674A patent/EP0243010B1/de not_active Expired - Lifetime
- 1987-03-27 ES ES87302674T patent/ES2016350B3/es not_active Expired - Lifetime
- 1987-04-23 JP JP62101699A patent/JPS62256737A/ja active Granted
-
1990
- 1990-07-25 GR GR90400517T patent/GR3000661T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
CA1312470C (en) | 1993-01-12 |
US4799946A (en) | 1989-01-24 |
ATE54656T1 (de) | 1990-08-15 |
JPH0575704B2 (de) | 1993-10-21 |
GR3000661T3 (en) | 1991-09-27 |
EP0243010A1 (de) | 1987-10-28 |
EP0243010B1 (de) | 1990-07-18 |
GB8610053D0 (en) | 1986-05-29 |
JPS62256737A (ja) | 1987-11-09 |
ES2016350B3 (es) | 1990-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |