NO920724L - Fremgangsmaate for fremstilling av et glassemne for anvendelse for fremstilling av optiske fibre - Google Patents
Fremgangsmaate for fremstilling av et glassemne for anvendelse for fremstilling av optiske fibreInfo
- Publication number
- NO920724L NO920724L NO92920724A NO920724A NO920724L NO 920724 L NO920724 L NO 920724L NO 92920724 A NO92920724 A NO 92920724A NO 920724 A NO920724 A NO 920724A NO 920724 L NO920724 L NO 920724L
- Authority
- NO
- Norway
- Prior art keywords
- manufacturing
- procedure
- optical fibers
- glass top
- manufacturing optical
- Prior art date
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
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
-
- 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
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
-
- 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
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/01257—Heating devices therefor
-
- 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
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
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)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3029869A JPH04270132A (ja) | 1991-02-25 | 1991-02-25 | 光ファイバ用ガラス母材の製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO920724D0 NO920724D0 (no) | 1992-02-24 |
NO920724L true NO920724L (no) | 1992-08-26 |
NO308524B1 NO308524B1 (no) | 2000-09-25 |
Family
ID=12287980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO920724A NO308524B1 (no) | 1991-02-25 | 1992-02-24 | FremgangsmÕte for fremstilling av et glassemne for anvendelse ved fremstilling av optiske fibre |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0501429B1 (no) |
JP (1) | JPH04270132A (no) |
KR (1) | KR950004058B1 (no) |
AU (1) | AU649519B2 (no) |
DE (1) | DE69212017T2 (no) |
FI (1) | FI96944C (no) |
NO (1) | NO308524B1 (no) |
TW (1) | TW198002B (no) |
ZA (1) | ZA921271B (no) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0177088B1 (ko) * | 1993-11-29 | 1999-05-15 | 김광호 | 단일모드 광섬유 1차 모재 오버크래딩 방법 및 장치 |
CA2161939A1 (en) * | 1994-12-20 | 1996-06-21 | George E. Berkey | Method of making optical fiber having depressed index core region |
US5917109A (en) | 1994-12-20 | 1999-06-29 | Corning Incorporated | Method of making optical fiber having depressed index core region |
KR0184481B1 (ko) * | 1996-06-10 | 1999-05-15 | 김광호 | 광섬유 제조장치의 고생산성 광섬유 인출장치 및 그 인출방법 |
AU719475B2 (en) * | 1997-03-27 | 2000-05-11 | Samsung Electronics Co., Ltd. | Apparatus and method for overcladding optical fiber preform rod and optical fiber drawing method |
CA2301116C (en) * | 1997-08-19 | 2006-12-05 | Pirelli Cavi E Sistemi S.P.A. | Method of and apparatus for manufacturing an optical fiber preform |
US6105396A (en) * | 1998-07-14 | 2000-08-22 | Lucent Technologies Inc. | Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness |
JP3819614B2 (ja) * | 1998-10-16 | 2006-09-13 | 信越石英株式会社 | 光ファイバ用石英ガラス母材の製造方法 |
US6446468B1 (en) * | 2000-08-01 | 2002-09-10 | Fitel Usa Corp. | Process for fabricating optical fiber involving overcladding during sintering |
NL1025476C2 (nl) * | 2004-02-12 | 2005-08-15 | Draka Fibre Technology Bv | Werkwijze ter vervaardiging van een vormdeel voor optische vezels. |
WO2007059336A1 (en) * | 2005-11-18 | 2007-05-24 | Nextrom Oy | Method and apparatus for manufacturing water-free optical fiber preforms |
US9212082B2 (en) | 2012-12-26 | 2015-12-15 | Heraeus Quarzglas Gmbh & Co. Kg | System and method for fabricating optical fiber preform and optical fiber |
US11405107B2 (en) | 2016-11-22 | 2022-08-02 | Heraeus Quartz North America Llc | Upward collapse process and apparatus for making glass preforms |
EP3683195A1 (en) * | 2019-01-15 | 2020-07-22 | Heraeus Quartz North America LLC | Automated large outside diameter preform tipping process |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5852935B2 (ja) * | 1978-11-20 | 1983-11-26 | 三菱マテリアル株式会社 | 光伝送用素材の製造方法 |
JPS5924092B2 (ja) * | 1978-12-29 | 1984-06-07 | 三菱マテリアル株式会社 | 光フアイバ母材の製造法 |
GB2148875B (en) * | 1983-10-24 | 1987-01-28 | Standard Telephones Cables Ltd | Optical fibre preform manufacture |
JPS61117126A (ja) * | 1984-11-13 | 1986-06-04 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
JPS61227938A (ja) * | 1985-04-03 | 1986-10-11 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
JPS6236035A (ja) * | 1985-04-18 | 1987-02-17 | Sumitomo Electric Ind Ltd | 光フアイバ母材の製造方法 |
US5059230A (en) * | 1990-01-22 | 1991-10-22 | At&T Bell Laboratories | Fabrication of doped filament optical fibers |
-
1991
- 1991-02-25 JP JP3029869A patent/JPH04270132A/ja active Pending
-
1992
- 1992-02-10 TW TW081100875A patent/TW198002B/zh active
- 1992-02-21 ZA ZA921271A patent/ZA921271B/xx unknown
- 1992-02-24 NO NO920724A patent/NO308524B1/no unknown
- 1992-02-24 FI FI920784A patent/FI96944C/fi not_active IP Right Cessation
- 1992-02-25 DE DE69212017T patent/DE69212017T2/de not_active Expired - Fee Related
- 1992-02-25 EP EP92103199A patent/EP0501429B1/en not_active Expired - Lifetime
- 1992-02-25 KR KR1019920002906A patent/KR950004058B1/ko not_active IP Right Cessation
- 1992-02-25 AU AU11189/92A patent/AU649519B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
FI920784A (fi) | 1992-08-26 |
EP0501429A1 (en) | 1992-09-02 |
TW198002B (no) | 1993-01-11 |
ZA921271B (en) | 1993-04-28 |
AU1118992A (en) | 1992-08-27 |
DE69212017T2 (de) | 1996-12-19 |
FI96944B (fi) | 1996-06-14 |
FI96944C (fi) | 1996-09-25 |
FI920784A0 (fi) | 1992-02-24 |
KR950004058B1 (ko) | 1995-04-25 |
EP0501429B1 (en) | 1996-07-10 |
DE69212017D1 (de) | 1996-08-14 |
KR920016363A (ko) | 1992-09-24 |
JPH04270132A (ja) | 1992-09-25 |
AU649519B2 (en) | 1994-05-26 |
NO308524B1 (no) | 2000-09-25 |
NO920724D0 (no) | 1992-02-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1239652B (it) | Accoppiatore per fibre ottiche a modo singolo | |
DK0616696T3 (da) | Beklædning til optiske fibre | |
NO932716D0 (no) | Optisk fiberbaand med adskilte fibre | |
DE69224479D1 (de) | Lichtleitfaserspleiss | |
DE69224909D1 (de) | Optische faserverbindung | |
DK164223C (da) | Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre. | |
NO920720D0 (no) | Fremgangsmaate for fremstilling av overtrukket optisk fiber | |
DE69216603D1 (de) | Faseroptische drehkupplung | |
FR2628730B1 (fr) | Dispositif de fabrication de preformes pour fibres optiques | |
NO920724D0 (no) | Fremgangsmaate for fremstilling av et glassemne for anvendelse for fremstilling av optiske fibre | |
BR9204468A (pt) | Cabode fibras oticas | |
NO914216L (no) | Basislag for en spunnet kabel av optiske fibre | |
DK162385C (da) | Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre | |
DK162384C (da) | Fremgangsmaade til fremstilling af et raaemne til optiske fibre | |
KR900012852A (ko) | 광섬유 제조방법 | |
DK163658C (da) | Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre | |
FR2636743B1 (fr) | Cable a fibres optiques | |
IT1205212B (it) | Cavo a fibre ottiche | |
DK163426C (da) | Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre | |
DK162279C (da) | Fremgangsmaade til fremstilling af et raaemne til optiske fibre | |
IT1278383B1 (it) | Procedimento per la fabbricazione di fibre ottiche a mantenimento di polarizzazione | |
GB9200854D0 (en) | Ferrule with optical fiber | |
DK0539267T3 (da) | Forbindelse med forstærkende optiske fibre | |
NO903749L (no) | Fremgangsmaate for fremstilling av et poroest emne for anvendelse ved fremstilling av optiske fibre. | |
ITMI913070A1 (it) | Procedimento per la realizzazione a fusione di accoppiatori monomodali a fibre ottiche |