FR2253723B1 - - Google Patents
Info
- Publication number
- FR2253723B1 FR2253723B1 FR7343725A FR7343725A FR2253723B1 FR 2253723 B1 FR2253723 B1 FR 2253723B1 FR 7343725 A FR7343725 A FR 7343725A FR 7343725 A FR7343725 A FR 7343725A FR 2253723 B1 FR2253723 B1 FR 2253723B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C03B37/01426—Plasma deposition burners or torches
-
- 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
- C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
- C03B37/01291—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process
-
- 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
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
- C03B37/01815—Reactant deposition burners or deposition heating means
- C03B37/01823—Plasma deposition burners or heating means
- C03B37/0183—Plasma deposition burners or heating means for plasma within a tube substrate
-
- 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
- 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)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7343725A FR2253723A1 (en) | 1973-12-07 | 1973-12-07 | Preform for optical waveguide mfr. - by plasma arc spraying a lower RI glass around or inside a higher RI glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7343725A FR2253723A1 (en) | 1973-12-07 | 1973-12-07 | Preform for optical waveguide mfr. - by plasma arc spraying a lower RI glass around or inside a higher RI glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2253723A1 FR2253723A1 (en) | 1975-07-04 |
| FR2253723B1 true FR2253723B1 (US20090192370A1-20090730-C00001.png) | 1977-09-30 |
Family
ID=9128880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7343725A Granted FR2253723A1 (en) | 1973-12-07 | 1973-12-07 | Preform for optical waveguide mfr. - by plasma arc spraying a lower RI glass around or inside a higher RI glass |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2253723A1 (US20090192370A1-20090730-C00001.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265649A (en) | 1979-01-10 | 1981-05-05 | Saint-Gobain Industries | Method for preparing a preform for optical waveguides |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4162908A (en) * | 1975-08-16 | 1979-07-31 | Heraeus Quarzschmelze Gmbh | Method of producing synthetic quartz glass, apparatus for the practice of the method, and use of the synthetic quartz glass |
| CH620181A5 (en) * | 1975-08-16 | 1980-11-14 | Heraeus Schott Quarzschmelze | Process for the preparation of synthetic quartz glass, apparatus to carry out the process, and the use of the synthetic quartz glass |
| FR2713621B1 (fr) * | 1993-12-14 | 1996-01-05 | Alcatel Fibres Optiques | Procédé de recharge par plasma d'une préforme pour fibre optique et fibre optique issue de la préforme rechargée selon ce procédé. |
| NL1033763C2 (nl) | 2007-04-26 | 2008-10-28 | Draka Comteq Bv | Inrichting en werkwijze voor het vervaardigen van een optische voorvorm. |
| FR2950621A1 (fr) * | 2009-09-25 | 2011-04-01 | Draka Comteq France | Procede et equipement de recharge d'une preforme de fibre optique |
| CN117105521B (zh) * | 2023-10-25 | 2024-01-19 | 武汉市飞瓴光电科技有限公司 | 一种制备掺杂二氧化硅材料的装置及方法 |
-
1973
- 1973-12-07 FR FR7343725A patent/FR2253723A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265649A (en) | 1979-01-10 | 1981-05-05 | Saint-Gobain Industries | Method for preparing a preform for optical waveguides |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2253723A1 (en) | 1975-07-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |