KR101115615B1 - 광섬유와 그 프리폼 및 그 제조방법과 장치 - Google Patents
광섬유와 그 프리폼 및 그 제조방법과 장치 Download PDFInfo
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- KR101115615B1 KR101115615B1 KR1020067022558A KR20067022558A KR101115615B1 KR 101115615 B1 KR101115615 B1 KR 101115615B1 KR 1020067022558 A KR1020067022558 A KR 1020067022558A KR 20067022558 A KR20067022558 A KR 20067022558A KR 101115615 B1 KR101115615 B1 KR 101115615B1
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- South Korea
- Prior art keywords
- preform
- overcladding
- optical fiber
- tube
- primary
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
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- 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
-
- 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
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- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02754—Solid fibres drawn from hollow preforms
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/08—Sub-atmospheric pressure applied, e.g. vacuum
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/13—Drawing solid optical fibre directly from a hollow preform from a hollow glass tube containing glass-forming material in particulate form, e.g. to form the core by melting the powder during drawing
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (10)
- 제1 주축(x1)과 외측면(111)을 갖는 일차 광섬유 프리폼(11)을, 제2 주축(x2)과 내측면(120)을 갖는 박벽의 오버클래딩 튜브(12)속에 삽입하여 상기 외측면(111)과 내측면(120)이 내부 공간(15)을 형성하도록 하는 단계;상호 일직선으로 정렬한 상기 제1 및 제2 주축(x1, x2)들에 의해 오버클래딩 튜브(12)속의 중심 위치에 삽입된 일차 프리폼(11)을 유지하는 단계;원추형의 밀봉구(125)에 의해 오버클래딩 튜브(12)의 하단부에 한정된 내부 공간(15)속에 오버클래딩 입자(13)들을 공급하는 단계;오버클래딩 튜브(12)와 일차 광섬유 프리폼(11)을 제위치에 유지시키는 홀더(3)에 의해 오버클래딩 튜브(12) 상단부의 한정된 내부 공간(15)내에 감압 조건을 발생하는 단계;일차 프리폼(11)과, 오버클래딩 튜브(12) 및 오버클래딩 입자(13)들로 구성된 미처리된 이차 프리폼(1) 하단을, 노(23)에 의해 연질 상태로 가열함과 동시에 하단부로부터 광섬유(5)를 인발하거나;처리된 이차 프리폼(1)을 얻기 위하여, 일차 프리폼(11)과 오버클래딩 튜브(12) 및 오버클래딩 입자(13)들로 구성되는 미처리된 이차 프리폼(1)을 그 전체 길이에 걸쳐 노(23)에 의해 가열하고, 후속 처리단계에서 광섬유(5)를 인발하는 단계로 이루어지는 것을 특징으로 하는 광섬유 제조방법.
- 제1항에 있어서, 상기 오버클래딩 튜브(12)의 내경(d2)은 일차 프리폼(11)의 외경(d1) 보다 1.5배 더 크고 그 벽 두께(d20) 보다 10배 더 큰 것을 특징으로 하는 광섬유 제조방법.
- 제1항 또는 제2항에 있어서, 작은 직경의 입자들로 구성되는 상기 오버클래딩 입자(13)는 홀더(3)가 장착되기 전에 삽입되거나 또는 홀더(3)를 장착한 다음 홀더(3)에 형성된 통로(38)를 통해 삽입되는 것을 특징으로 하는 광섬유 제조방법.
- 제2항에 있어서, 상기 오버클래딩 입자(13)는 순수한 또는 도프 처리된 합성 실리카 입자인 것을 특징으로 하는 광섬유 제조방법.
- 제4항에 있어서, 노(23)의 온도는 2100℃ 내지 2350℃ 범위에서 선택하는 것을 특징으로 하는 광섬유 제조방법.
- 광섬유 제조용으로 디자인된 이차 프리폼(1)에서, 제1 주축(x1)과 외측면(111)을 갖는 일차 광섬유 프리폼(11)과, 제2 주축(x2)과 내측면(120) 및 하단부에 원추형 밀봉구(125)를 구비하는 오버클래딩 튜브(12)로 이루어지며, 상기 외측면(111)과 내측면(120)이 오버클래딩 입자(13)로 부분적으로 채워지는 내부 공간(15)을 형성하도록 상기 일차 광섬유 프리폼(11)이 오버클래딩 튜브(12) 속의 중심 삽입된 위치에서 정렬되는 것을 특징으로 하는 광섬유 제조용 이차 프리폼.
- 제 6항에 있어서, 일차 광섬유 프리폼(11)과 오버클래딩 튜브(12)의 상단부들은 제3의 제1 주축(x3)을 갖는 홀더(3)에 의해 유지되고 밀봉되며,(a) 제3의 제1 주축(x3)과 동일 축으로 정렬되며, 일차 프리폼(11)의 외경(d1)에 일치하는 직경(d3)을 갖는 원통형 개구의 홀(31)과,(b) 제3의 제1 주축(x3)과 동일 축으로 정렬되며, 오버클래딩 튜브(12)의 내경(d2)에 일치하는 직경(d4)을 갖는 하나의 원통형 요소(34,35) 및 밀봉 요소(91)와,(c) 진공 펌프 또는 가스 공급원(22)에 연결되는 배기용 통로(33)를 포함하는 것을 특징으로 하는 광섬유 제조용 이차 프리폼.
- 제 7항에 있어서, 상기 홀더(3)는 내부 공간(15) 속에 오버클래딩 입자(13)를 삽입하도록 설계된 하나의 통로(38)를 포함하며, 상기 홀더(3)는 홀(31)이 관통하여 이어지는 상단부(36)에 배치되는 밀봉캡(39)을 포함하는 것을 특징으로 하는 광섬유 제조용 이차 프리폼.
- 청구항 제1항에 규정된 방법에 따라 제조된 광섬유.
- 삭제
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2004/000261 WO2005102946A1 (en) | 2004-04-27 | 2004-04-27 | Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fibre and apparatus |
Publications (2)
Publication Number | Publication Date |
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KR20070018060A KR20070018060A (ko) | 2007-02-13 |
KR101115615B1 true KR101115615B1 (ko) | 2012-02-17 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020067022558A KR101115615B1 (ko) | 2004-04-27 | 2004-04-27 | 광섬유와 그 프리폼 및 그 제조방법과 장치 |
Country Status (13)
Country | Link |
---|---|
US (1) | US8132429B2 (ko) |
EP (2) | EP1740510B1 (ko) |
JP (2) | JP5054513B2 (ko) |
KR (1) | KR101115615B1 (ko) |
CN (2) | CN1989078B (ko) |
AT (1) | ATE492519T1 (ko) |
BR (2) | BRPI0418783B1 (ko) |
DE (1) | DE602004030720D1 (ko) |
DK (1) | DK1740510T3 (ko) |
ES (2) | ES2358883T3 (ko) |
PL (2) | PL1740510T3 (ko) |
PT (1) | PT1740510E (ko) |
WO (2) | WO2005102946A1 (ko) |
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- 2004-04-27 PT PT04729589T patent/PT1740510E/pt unknown
- 2004-04-27 ES ES04729589T patent/ES2358883T3/es not_active Expired - Lifetime
- 2004-04-27 WO PCT/CH2004/000261 patent/WO2005102946A1/en active Application Filing
- 2004-04-27 DK DK04729589.4T patent/DK1740510T3/da active
- 2004-04-27 EP EP04729589A patent/EP1740510B1/en not_active Expired - Lifetime
- 2004-04-27 JP JP2007509844A patent/JP5054513B2/ja not_active Expired - Fee Related
- 2004-04-27 PL PL04729589T patent/PL1740510T3/pl unknown
- 2004-04-27 DE DE602004030720T patent/DE602004030720D1/de not_active Expired - Lifetime
- 2004-04-27 CN CN2004800434594A patent/CN1989078B/zh not_active Expired - Fee Related
- 2004-04-27 BR BRPI0418783-0B1A patent/BRPI0418783B1/pt not_active IP Right Cessation
- 2004-04-27 AT AT04729589T patent/ATE492519T1/de not_active IP Right Cessation
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- 2005-02-22 CN CN2005800213670A patent/CN1984850B/zh not_active Expired - Fee Related
- 2005-02-22 ES ES05706526.0T patent/ES2622450T3/es active Active
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Also Published As
Publication number | Publication date |
---|---|
CN1984850B (zh) | 2012-09-05 |
CN1989078B (zh) | 2011-10-19 |
BRPI0510264B1 (pt) | 2019-08-20 |
JP2007534592A (ja) | 2007-11-29 |
JP5219067B2 (ja) | 2013-06-26 |
WO2005102946A1 (en) | 2005-11-03 |
WO2005102947A1 (en) | 2005-11-03 |
EP1740511B1 (en) | 2017-01-18 |
PL1740510T3 (pl) | 2011-06-30 |
BRPI0418783A (pt) | 2007-10-09 |
JP5054513B2 (ja) | 2012-10-24 |
US20070214841A1 (en) | 2007-09-20 |
ES2358883T3 (es) | 2011-05-16 |
US8132429B2 (en) | 2012-03-13 |
KR20070018060A (ko) | 2007-02-13 |
DK1740510T3 (da) | 2011-04-04 |
EP1740510B1 (en) | 2010-12-22 |
CN1984850A (zh) | 2007-06-20 |
BRPI0510264A (pt) | 2007-10-30 |
CN1989078A (zh) | 2007-06-27 |
JP2007534591A (ja) | 2007-11-29 |
EP1740511A1 (en) | 2007-01-10 |
ATE492519T1 (de) | 2011-01-15 |
PT1740510E (pt) | 2011-03-24 |
ES2622450T3 (es) | 2017-07-06 |
PL1740511T3 (pl) | 2017-09-29 |
BRPI0418783B1 (pt) | 2013-07-16 |
EP1740510A1 (en) | 2007-01-10 |
DE602004030720D1 (de) | 2011-02-03 |
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