FR2021614A1 - - Google Patents
Info
- Publication number
- FR2021614A1 FR2021614A1 FR6936646A FR6936646A FR2021614A1 FR 2021614 A1 FR2021614 A1 FR 2021614A1 FR 6936646 A FR6936646 A FR 6936646A FR 6936646 A FR6936646 A FR 6936646A FR 2021614 A1 FR2021614 A1 FR 2021614A1
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/008—Other surface treatment of glass not in the form of fibres or filaments comprising a lixiviation step
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7810268 | 1968-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2021614A1 true FR2021614A1 (de) | 1970-07-24 |
Family
ID=13652498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6936646A Withdrawn FR2021614A1 (de) | 1968-10-25 | 1969-10-24 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE740738A (de) |
DE (1) | DE1953632A1 (de) |
FR (1) | FR2021614A1 (de) |
GB (1) | GB1279465A (de) |
NL (1) | NL6915812A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006044A1 (de) * | 1978-05-30 | 1979-12-12 | Thomson-Csf | Verfahren zur Herstellung von Lichtleitfasern mit radialem Brechungsindexgradienten |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1020752A (en) * | 1973-04-27 | 1977-11-15 | Pedro B. Macedo | Method of producing optical wave guide fibers |
FR2368444A1 (fr) * | 1976-10-19 | 1978-05-19 | Thomson Csf | Procede de fabrication de fibres de verre a gradient radial d'indice de refraction, pour le guidage d'ondes optiques |
-
1969
- 1969-10-16 GB GB5084269A patent/GB1279465A/en not_active Expired
- 1969-10-20 NL NL6915812A patent/NL6915812A/xx unknown
- 1969-10-24 BE BE740738D patent/BE740738A/xx not_active IP Right Cessation
- 1969-10-24 FR FR6936646A patent/FR2021614A1/fr not_active Withdrawn
- 1969-10-24 DE DE19691953632 patent/DE1953632A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006044A1 (de) * | 1978-05-30 | 1979-12-12 | Thomson-Csf | Verfahren zur Herstellung von Lichtleitfasern mit radialem Brechungsindexgradienten |
FR2427621A1 (fr) * | 1978-05-30 | 1979-12-28 | Thomson Csf | Procede de fabrication de fibres optiques de faible attenuation, et fibre optique obtenue par ce procede |
Also Published As
Publication number | Publication date |
---|---|
DE1953632A1 (de) | 1970-04-30 |
NL6915812A (de) | 1970-04-28 |
BE740738A (de) | 1970-04-01 |
GB1279465A (en) | 1972-06-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |