FI904218A0 - Menetelmä huokoisen lasiesimuodon valmistamiseksi optisia kuituja varten - Google Patents
Menetelmä huokoisen lasiesimuodon valmistamiseksi optisia kuituja vartenInfo
- Publication number
- FI904218A0 FI904218A0 FI904218A FI904218A FI904218A0 FI 904218 A0 FI904218 A0 FI 904218A0 FI 904218 A FI904218 A FI 904218A FI 904218 A FI904218 A FI 904218A FI 904218 A0 FI904218 A0 FI 904218A0
- Authority
- FI
- Finland
- Prior art keywords
- preparing
- optical fibers
- porous glass
- glass preform
- preform
- 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
- C03B37/014—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]
- C03B37/01413—Reactant delivery systems
- C03B37/0142—Reactant deposition burners
-
- 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
-
- 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
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/06—Concentric circular ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
- C03B2207/24—Multiple flame type, e.g. double-concentric flame
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
- C03B2207/26—Multiple ports for glass precursor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
- C03B2207/26—Multiple ports for glass precursor
- C03B2207/28—Multiple ports for glass precursor for different glass precursors, reactants or modifiers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/50—Multiple burner arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1218599A JPH02263725A (ja) | 1988-12-26 | 1989-08-28 | 光ファイバ用多孔質母材の製造方法 |
JP21859989 | 1989-08-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI904218A0 true FI904218A0 (fi) | 1990-08-27 |
FI91146B FI91146B (fi) | 1994-02-15 |
FI91146C FI91146C (fi) | 1994-05-25 |
Family
ID=16722485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI904218A FI91146C (fi) | 1989-08-28 | 1990-08-27 | Menetelmä huokoisen lasiesimuodon valmistamiseksi optisia kuituja varten |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0415341B1 (fi) |
KR (1) | KR930001938B1 (fi) |
AU (1) | AU643451B2 (fi) |
BR (1) | BR9004223A (fi) |
CA (1) | CA2023445A1 (fi) |
DE (1) | DE69006138T2 (fi) |
ES (1) | ES2050323T3 (fi) |
FI (1) | FI91146C (fi) |
HK (1) | HK51895A (fi) |
NO (1) | NO177345C (fi) |
SG (1) | SG29195G (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100403823B1 (ko) * | 1994-07-30 | 2004-01-28 | 삼성전자주식회사 | 광섬유의제조방법 |
EP0978487A3 (en) * | 1998-08-07 | 2001-02-21 | Corning Incorporated | Sealed, nozzle-mix burners for silica deposition |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345928A (en) * | 1979-10-09 | 1982-08-24 | Nippon Telegraph & Telephone Public Corporation | Fabrication method of single-mode optical fiber preforms |
CA1284921C (en) * | 1984-02-27 | 1991-06-18 | Hiroyuki Suda | Method, apparatus and burner for fabricating an optical fiber preform |
-
1990
- 1990-08-14 AU AU61004/90A patent/AU643451B2/en not_active Ceased
- 1990-08-16 CA CA002023445A patent/CA2023445A1/en not_active Abandoned
- 1990-08-27 FI FI904218A patent/FI91146C/fi not_active IP Right Cessation
- 1990-08-27 BR BR909004223A patent/BR9004223A/pt not_active Application Discontinuation
- 1990-08-27 NO NO903749A patent/NO177345C/no unknown
- 1990-08-28 ES ES90116464T patent/ES2050323T3/es not_active Expired - Lifetime
- 1990-08-28 KR KR1019900013319A patent/KR930001938B1/ko not_active IP Right Cessation
- 1990-08-28 EP EP90116464A patent/EP0415341B1/en not_active Expired - Lifetime
- 1990-08-28 DE DE69006138T patent/DE69006138T2/de not_active Expired - Fee Related
-
1995
- 1995-02-20 SG SG29195A patent/SG29195G/en unknown
- 1995-04-06 HK HK51895A patent/HK51895A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU643451B2 (en) | 1993-11-18 |
KR930001938B1 (ko) | 1993-03-20 |
DE69006138D1 (de) | 1994-03-03 |
CA2023445A1 (en) | 1991-03-01 |
AU6100490A (en) | 1991-02-28 |
FI91146B (fi) | 1994-02-15 |
FI91146C (fi) | 1994-05-25 |
EP0415341B1 (en) | 1994-01-19 |
SG29195G (en) | 1995-08-18 |
EP0415341A1 (en) | 1991-03-06 |
HK51895A (en) | 1995-04-13 |
NO177345B (no) | 1995-05-22 |
ES2050323T3 (es) | 1994-05-16 |
DE69006138T2 (de) | 1994-06-30 |
NO903749D0 (no) | 1990-08-27 |
NO177345C (no) | 1995-08-30 |
BR9004223A (pt) | 1991-09-03 |
NO903749L (no) | 1991-03-01 |
KR910004488A (ko) | 1991-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: SUMITOMO ELECTRIC INDUSTRIES, LTD |