KR850002444A - 광학섬유 및 그의 제조방법 - Google Patents
광학섬유 및 그의 제조방법 Download PDFInfo
- Publication number
- KR850002444A KR850002444A KR1019840005885A KR840005885A KR850002444A KR 850002444 A KR850002444 A KR 850002444A KR 1019840005885 A KR1019840005885 A KR 1019840005885A KR 840005885 A KR840005885 A KR 840005885A KR 850002444 A KR850002444 A KR 850002444A
- Authority
- KR
- South Korea
- Prior art keywords
- preform
- fluorine
- glass
- porous
- coating
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title claims 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011521 glass Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 11
- 229910052731 fluorine Inorganic materials 0.000 claims 11
- 239000011737 fluorine Substances 0.000 claims 11
- 238000000034 method Methods 0.000 claims 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 7
- 239000002245 particle Substances 0.000 claims 6
- 238000007711 solidification Methods 0.000 claims 5
- 230000008023 solidification Effects 0.000 claims 5
- 238000010438 heat treatment Methods 0.000 claims 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims 3
- 239000000377 silicon dioxide Substances 0.000 claims 3
- 238000000151 deposition Methods 0.000 claims 2
- 239000002019 doping agent Substances 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 2
- 235000012239 silicon dioxide Nutrition 0.000 claims 2
- 241000894006 Bacteria Species 0.000 claims 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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
- C03B37/12—Non-chemical treatment of fibres or filaments during winding up
-
- 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
- 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
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
-
- 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
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/26—Parabolic or graded index [GRIN] core profile
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/29—Segmented core fibres
-
- 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
- Y10S65/15—Nonoxygen containing chalogenides
- Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Integrated Circuits (AREA)
- Surface Treatment Of Glass (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Glass Melting And Manufacturing (AREA)
- Materials For Medical Uses (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 맨드릴에 글래스수우트 피복물의 처리를 나타내는 설명도, 제2도는 고화글래스 예비성형물의 단면도, 제3도는 예비성형물로부터 로드의 연신을 나타내는 설명도.
Claims (10)
- 적어도 한부분이 불소로 도핑된 글래스 제품을 성형하는 방법에 있어서, 적어도 한부분이 다공성인글래스 예비성형물을 형성시키고; 상기 예비성형물을 고화로내에 충진시키고; 상기 다공성부분의 표면상에 불소로 이루어진 기류를 유출시키고, 여기서 소량의 상기 기류는 상기 예비성형물의 개구를 통하여 내부방향으로 분산시키고; 상기 불소를 개구-형성표면내에 분산시키고 또 상기 예비성형물의 다공성성분을 용해하여 응집글래스를 형성시키는데 충분한 시간동안 고화온도 범위내의 온도로 상기 다공성 예비성형물을 기열시킴을 특징으로 하는 방법.
- 제1항에 있어서, 상기 다공성 예비성형물의 기열 단계기 높은 실리카함량 글래스로 이루어진 로내에 상기 예비성형물을 충진시킴을 특징으로 하는 방법.
- 제2항에 있어서, 기열단계는 상기 머플내에 상기 다공성 예비성형물을 점차적으로 충진함으로써 그의 주요단부는 고화되고, 상기 다공성 예비성형물의 잔여부는 상기 머플내에 점차적으로 충진됨에 따라 균배형으로 고화됨을 특징으로 하는 방법.
- 제2항에 있어서, 상기 다공성 예비성형물의 기열단계는 상기 예비성형물의 전체다공성 부분을 고화온도 범위내의 온도로 처리하고, 여기서 고화는 상기 예비성형물의 전체길이에 걸쳐 동시에 발생함을 특징으로 하는 방법.
- 제1항에 있어서, 가열단계는 불소의 부재하에 상기 예비성형물의 다공성부분을 고화시키기 위하여 통상적으로 사용하는 것보다 낮은 온도로 상기 다공성 예비성형물을 가열시킴을 특징으로 하는 방법.
- 제1항에 있어서, 성형단계는 글래스 예비성형물을 형성시키고, 여기서 다공성성분은 불꽃가수분해공정에 의해 증착시킴을 특징으로 하는 방법.
- 적어도 한부분이 불소로 도핑된 글래스 제품을 성형하는데 있어서, 고순도 글래스의 원통형 로드를 공급하고; 상기 로드의 표면상에 글래스 입자의 피복물을 증착시키고; 상기 피복된 로드를 로내에 충진시키고, 여기서 내부성분은 높은 실리카함량 글래스로 형성된 원통형머플로 이루어지고; 상기 머플을 통하여 및 상기 피복물의 표면상에 불소로 이루어진 기류를 유출시키고, 여기서 소량의 상기 기류는 상기 다고성 피복물의 개구를 통하여 내부방향으로 분산시키고; 상기 불소를 상기 글래스 입자의 표면내에 분산시키고 또 상기 입자를 용해하여 상기 로드의 표면상에 응집글래스 피복물을 형성시키는데 충분한 시간동안 상기 글래스 입자 피복물의 고화온도 범위내의 온도로 상기 피복된 로드를 가열시킴을 특징으로 하는 방법.
- 제7항에 있어서, 증착단계는 상기 로드의 표면상에 순수 실리카입자의 피복물을 증착시킴을 특징으로 하는 방법.
- 제7항에 있어서, 공급단계는 굴절율을 증가시키기 위하여 실리카와 적어도 하나의 도도핑제와의 축방향 혼성물을 함유하고 또 순수실리카표면을 갔는 원통형 로드를 공급함을 특징으로 하며, 또한 가열단계는 고화온도 범위내의 온도로 상기 피복된 로드의 전체길이를 동시에 처리하고, 여기서 상기 온도는 불소함유 기류가 입자의 상기 피복물을 통하여 전체 방사간격으로 유출되기 전에 상기 로드에 상기 글래스입자의 고화를 일으키는데 충분히 높고, 고화피복물내의 불소농도균배를 성형하는 것을 특징으로 하는 방법.
- 코어부보다 더 낮은 굴절율을 갖는 불소-도핑된 피복글래스층으로 둘러싸인 코어부로 이루어진 광학섬유에 있어서, 상기 코어부는 단계적인 굴절율을 갖는 축방향 영역으로 이루어지고, 상기 축방향 영역의 중심부는 굴절율을 증가시키는 Si02와 도핑제로 이루어지고, 상기 로핑제의 농도는 상기 축방향의 변부가 순수한 SiO2로 이루어지게 방사상으로 감소하며, 또한 상기 코어부는 단계적인 굴절율을 갖는 외부영역으로 이루어지고, 상기 외부영역의 변부는 SiO2와 불소로 이루어지고, 상기 외부영역내의 불소농도는 순수한 SiO2로 이루어진 상기 외부영역의 내부를 향하여 방사상으로 감소하는 것을 특징으로 하는 광학섬유.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US535786 | 1983-09-26 | ||
US06/535,786 US4629485A (en) | 1983-09-26 | 1983-09-26 | Method of making fluorine doped optical preform and fiber and resultant articles |
Publications (1)
Publication Number | Publication Date |
---|---|
KR850002444A true KR850002444A (ko) | 1985-05-13 |
Family
ID=24135760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840005885A KR850002444A (ko) | 1983-09-26 | 1984-09-25 | 광학섬유 및 그의 제조방법 |
Country Status (18)
Country | Link |
---|---|
US (1) | US4629485A (ko) |
EP (1) | EP0139348B1 (ko) |
JP (1) | JPS6086049A (ko) |
KR (1) | KR850002444A (ko) |
AT (1) | ATE49741T1 (ko) |
AU (1) | AU566335B2 (ko) |
BR (1) | BR8402553A (ko) |
CA (1) | CA1251044A (ko) |
DE (1) | DE3481118D1 (ko) |
DK (1) | DK161139C (ko) |
ES (1) | ES8601491A1 (ko) |
FI (1) | FI76543C (ko) |
HK (1) | HK77490A (ko) |
IL (1) | IL72162A0 (ko) |
IN (1) | IN163122B (ko) |
MX (1) | MX161586A (ko) |
NO (1) | NO161730C (ko) |
SG (1) | SG68290G (ko) |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
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AU569757B2 (en) * | 1983-10-19 | 1988-02-18 | Nippon Telegraph & Telephone Corporation | Optical fibre preform manufacture |
JPS6096545A (ja) * | 1983-10-28 | 1985-05-30 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ |
DE3476062D1 (en) * | 1983-12-22 | 1989-02-16 | American Telephone & Telegraph | Fabrication of high-silica glass article |
US5221309A (en) * | 1984-05-15 | 1993-06-22 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
JPS60239337A (ja) * | 1984-05-15 | 1985-11-28 | Sumitomo Electric Ind Ltd | 光フアイバ−用ガラス母材の製造法 |
JPS60260430A (ja) * | 1984-06-04 | 1985-12-23 | Sumitomo Electric Ind Ltd | フツ素をクラツド部に含有する光フアイバ用母材の製造方法 |
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 |
JPS6186436A (ja) * | 1984-10-05 | 1986-05-01 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
CA1271316A (en) * | 1984-12-21 | 1990-07-10 | Koichi Abe | Optical waveguide manufacture |
US5364428A (en) * | 1985-03-18 | 1994-11-15 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
CA1290942C (en) * | 1985-03-18 | 1991-10-22 | Michihisa Kyoto | Method for producing glass preform for optical fiber |
US5203899A (en) * | 1985-03-18 | 1993-04-20 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
JPS61247633A (ja) * | 1985-04-25 | 1986-11-04 | Sumitomo Electric Ind Ltd | 光フアイバ−用ガラス母材の製造方法 |
JPS62275035A (ja) * | 1985-05-07 | 1987-11-30 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
US4620861A (en) * | 1985-11-04 | 1986-11-04 | Corning Glass Works | Method for making index-profiled optical device |
EP0228082B1 (en) * | 1985-12-27 | 1990-10-03 | Sumitomo Electric Industries Limited | Method of making optical glass article |
US5217516A (en) * | 1985-12-27 | 1993-06-08 | Sumitomo Electric Industries, Ltd. | Method of making optical glass article |
US4950319A (en) * | 1986-01-30 | 1990-08-21 | Corning Incorporated | Heating oven for preparing optical waveguide fibers |
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 |
KR900003449B1 (ko) * | 1986-06-11 | 1990-05-19 | 스미도모덴기고오교오 가부시기가이샤 | 분산 시프트싱글모우드 광파이버 및 그 제조방법 |
US4859223A (en) * | 1987-06-15 | 1989-08-22 | Hitachi Cable Limited | Method of manufacturing polarization-maintaining optical fibers |
US4836954A (en) * | 1987-12-22 | 1989-06-06 | Corning Glass Works | Fluorinated phyllosilicate and method |
JPH03131544A (ja) * | 1989-06-29 | 1991-06-05 | Sumitomo Electric Ind Ltd | 光ファイバ用ガラス母材の加熱炉および製法 |
US5259856A (en) * | 1989-09-06 | 1993-11-09 | Sumitomo Electric Industrial, Ltd. | Method of producing glass preform in furnace for heating glass |
US5039325A (en) * | 1990-01-02 | 1991-08-13 | At&T Bell Laboratories | Method for consolidating doped glass using an encapsulating structure |
US5076824A (en) * | 1990-05-14 | 1991-12-31 | At&T Bell Laboratories | Method of making fiber optical preform with pyrolytic coated mandrel |
US5318611A (en) * | 1992-03-13 | 1994-06-07 | Ensign-Bickford Optical Technologies, Inc. | Methods of making optical waveguides and waveguides made thereby |
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-
1984
- 1984-05-08 CA CA000453768A patent/CA1251044A/en not_active Expired
- 1984-05-28 BR BR8402553A patent/BR8402553A/pt not_active IP Right Cessation
- 1984-06-18 IN IN443/MAS/84A patent/IN163122B/en unknown
- 1984-06-19 IL IL72162A patent/IL72162A0/xx unknown
- 1984-06-21 AT AT84304189T patent/ATE49741T1/de not_active IP Right Cessation
- 1984-06-21 EP EP84304189A patent/EP0139348B1/en not_active Expired - Lifetime
- 1984-06-21 DE DE8484304189T patent/DE3481118D1/de not_active Expired - Lifetime
- 1984-07-24 ES ES534582A patent/ES8601491A1/es not_active Expired
- 1984-09-04 MX MX202617A patent/MX161586A/es unknown
- 1984-09-19 AU AU33286/84A patent/AU566335B2/en not_active Ceased
- 1984-09-21 JP JP59197022A patent/JPS6086049A/ja active Pending
- 1984-09-25 NO NO843837A patent/NO161730C/no unknown
- 1984-09-25 KR KR1019840005885A patent/KR850002444A/ko not_active Application Discontinuation
- 1984-09-25 DK DK456984A patent/DK161139C/da not_active IP Right Cessation
- 1984-09-25 FI FI843763A patent/FI76543C/fi not_active IP Right Cessation
-
1990
- 1990-08-14 SG SG682/90A patent/SG68290G/en unknown
- 1990-09-27 HK HK774/90A patent/HK77490A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK161139B (da) | 1991-06-03 |
ES534582A0 (es) | 1985-11-01 |
BR8402553A (pt) | 1985-04-30 |
MX161586A (es) | 1990-11-13 |
AU566335B2 (en) | 1987-10-15 |
FI76543C (fi) | 1988-11-10 |
FI76543B (fi) | 1988-07-29 |
ES8601491A1 (es) | 1985-11-01 |
HK77490A (en) | 1990-10-05 |
DE3481118D1 (de) | 1990-03-01 |
DK161139C (da) | 1991-11-25 |
DK456984A (da) | 1985-03-27 |
EP0139348B1 (en) | 1990-01-24 |
FI843763L (fi) | 1985-03-27 |
SG68290G (en) | 1990-09-21 |
NO161730B (no) | 1989-06-12 |
CA1251044A (en) | 1989-03-14 |
JPS6086049A (ja) | 1985-05-15 |
US4629485A (en) | 1986-12-16 |
IN163122B (ko) | 1988-08-13 |
AU3328684A (en) | 1985-04-04 |
IL72162A0 (en) | 1984-10-31 |
FI843763A0 (fi) | 1984-09-25 |
NO161730C (no) | 1989-09-20 |
NO843837L (no) | 1985-03-27 |
EP0139348A1 (en) | 1985-05-02 |
DK456984D0 (da) | 1984-09-25 |
ATE49741T1 (de) | 1990-02-15 |
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