FR2175934B1 - - Google Patents
Info
- Publication number
- FR2175934B1 FR2175934B1 FR7308752A FR7308752A FR2175934B1 FR 2175934 B1 FR2175934 B1 FR 2175934B1 FR 7308752 A FR7308752 A FR 7308752A FR 7308752 A FR7308752 A FR 7308752A FR 2175934 B1 FR2175934 B1 FR 2175934B1
- 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
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- 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 (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47025018A JPS5129524B2 (en) | 1972-03-10 | 1972-03-10 | |
| JP3233772A JPS5317605B2 (en) | 1972-03-30 | 1972-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2175934A1 FR2175934A1 (en) | 1973-10-26 |
| FR2175934B1 true FR2175934B1 (en) | 1976-09-24 |
Family
ID=26362621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7308752A Expired FR2175934B1 (en) | 1972-03-10 | 1973-03-12 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2175934B1 (en) |
| GB (1) | GB1413891A (en) |
| NL (1) | NL173514C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4516826A (en) * | 1983-04-21 | 1985-05-14 | At&T Technologies, Inc. | Single mode lightguide fiber having a trapezoidal refractive index profile |
| JPS6052813A (en) * | 1983-09-02 | 1985-03-26 | Canon Inc | Formation of light source using distributed index lens and light source device |
| CH657118A5 (en) * | 1984-03-07 | 1986-08-15 | Battelle Memorial Institute | ALUMINOSILICATE OPTICAL LENSES. |
| JPS61254923A (en) * | 1985-05-07 | 1986-11-12 | Nippon Sheet Glass Co Ltd | Collimator lens for optical recording and reproducing device |
-
1973
- 1973-03-07 GB GB1112573A patent/GB1413891A/en not_active Expired
- 1973-03-09 NL NL7303343A patent/NL173514C/en not_active IP Right Cessation
- 1973-03-12 FR FR7308752A patent/FR2175934B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7303343A (en) | 1973-09-12 |
| NL173514B (en) | 1983-09-01 |
| GB1413891A (en) | 1975-11-12 |
| FR2175934A1 (en) | 1973-10-26 |
| NL173514C (en) | 1984-02-01 |
| DE2311823A1 (en) | 1973-09-13 |
| DE2311823B2 (en) | 1976-02-19 |