FI96944B - Menetelmä valmistaa lasimuotti optista kuitua varten - Google Patents
Menetelmä valmistaa lasimuotti optista kuitua vartenInfo
- Publication number
- FI96944B FI96944B FI920784A FI920784A FI96944B FI 96944 B FI96944 B FI 96944B FI 920784 A FI920784 A FI 920784A FI 920784 A FI920784 A FI 920784A FI 96944 B FI96944 B FI 96944B
- Authority
- FI
- Finland
- Prior art keywords
- optical fiber
- method produces
- glass mold
- mold
- glass
- 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
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 (4)
| Publication Number | Publication Date |
|---|---|
| FI920784A0 FI920784A0 (fi) | 1992-02-24 |
| FI920784A FI920784A (fi) | 1992-08-26 |
| FI96944B true FI96944B (fi) | 1996-06-14 |
| FI96944C FI96944C (fi) | 1996-09-25 |
Family
ID=12287980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI920784A FI96944C (fi) | 1991-02-25 | 1992-02-24 | Menetelmä valmistaa lasimuotti optista kuitua varten |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0501429B1 (fi) |
| JP (1) | JPH04270132A (fi) |
| KR (1) | KR950004058B1 (fi) |
| AU (1) | AU649519B2 (fi) |
| DE (1) | DE69212017T2 (fi) |
| FI (1) | FI96944C (fi) |
| NO (1) | NO308524B1 (fi) |
| TW (1) | TW198002B (fi) |
| ZA (1) | ZA921271B (fi) |
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 |
| RU2187474C2 (ru) * | 1997-03-27 | 2002-08-20 | Самсунг Электроникс Ко., Лтд. | Устройство и способ нанесения наружной оболочки на стержень заготовки оптического волокна |
| CN1132032C (zh) * | 1997-08-19 | 2003-12-24 | 皮雷利·卡维系统有限公司 | 制造光纤维预制棒的方法与装置 |
| 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 |
| JP7090416B2 (ja) * | 2016-11-22 | 2022-06-24 | ヘレーウス クオーツ ノース アメリカ エルエルシー | ガラス母材を作製するための上向き圧潰プロセス及び装置 |
| 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 FI FI920784A patent/FI96944C/fi not_active IP Right Cessation
- 1992-02-24 NO NO920724A patent/NO308524B1/no unknown
- 1992-02-25 AU AU11189/92A patent/AU649519B2/en not_active Ceased
- 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
Also Published As
| Publication number | Publication date |
|---|---|
| FI920784A (fi) | 1992-08-26 |
| KR950004058B1 (ko) | 1995-04-25 |
| ZA921271B (en) | 1993-04-28 |
| KR920016363A (ko) | 1992-09-24 |
| NO308524B1 (no) | 2000-09-25 |
| AU649519B2 (en) | 1994-05-26 |
| DE69212017D1 (de) | 1996-08-14 |
| NO920724L (no) | 1992-08-26 |
| EP0501429B1 (en) | 1996-07-10 |
| EP0501429A1 (en) | 1992-09-02 |
| JPH04270132A (ja) | 1992-09-25 |
| AU1118992A (en) | 1992-08-27 |
| FI96944C (fi) | 1996-09-25 |
| TW198002B (fi) | 1993-01-11 |
| DE69212017T2 (de) | 1996-12-19 |
| FI920784A0 (fi) | 1992-02-24 |
| NO920724D0 (no) | 1992-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MM | Patent lapsed |