BE739669A - - Google Patents
Info
- Publication number
- BE739669A BE739669A BE739669DA BE739669A BE 739669 A BE739669 A BE 739669A BE 739669D A BE739669D A BE 739669DA BE 739669 A BE739669 A BE 739669A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0087—Simple or compound lenses with index gradient
-
- 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
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7172168 | 1968-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE739669A true BE739669A (https=) | 1970-03-16 |
Family
ID=13468653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE739669D BE739669A (https=) | 1968-10-01 | 1969-10-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3650598A (https=) |
| BE (1) | BE739669A (https=) |
| DE (1) | DE1949028B2 (https=) |
| FR (1) | FR2019588B1 (https=) |
| GB (1) | GB1267387A (https=) |
| NL (1) | NL6914721A (https=) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1287300A (en) * | 1968-11-18 | 1972-08-31 | Nippon Selfoc Co Ltd | Continuous production of light-conducting glass filaments |
| US3916145A (en) * | 1972-06-06 | 1975-10-28 | Chicago Bridge & Iron Co | Viewing scope for turbid environment and use in underwater welding |
| US3913872A (en) * | 1973-01-18 | 1975-10-21 | Bell & Howell Co | Light tunnel for uniformly illuminating an object |
| US3859103A (en) * | 1973-03-08 | 1975-01-07 | Nippon Selfoc Co Ltd | Optical glass body having a refractive index gradient |
| DE2418781C2 (de) * | 1973-04-26 | 1982-10-21 | American Optical Corp., 01550 Southbridge, Mass. | Verfahren zur Bildung eines flexiblen faseroptischen Bildleitungskabels |
| US4110096A (en) * | 1974-04-22 | 1978-08-29 | Macedo Pedro B | Method of precipitation of a dopant in a porous silicate glass |
| US3963468A (en) * | 1974-02-15 | 1976-06-15 | Bell Telephone Laboratories, Incorporated | Light guide fabrication |
| US4110093A (en) * | 1974-04-22 | 1978-08-29 | Macedo Pedro B | Method for producing an impregnated waveguide |
| US4073579A (en) * | 1976-06-09 | 1978-02-14 | American Optical Corporation | Ophthalmic lens with locally variable index of refraction and method of making same |
| DE2843333C2 (de) * | 1978-10-04 | 1983-09-22 | Siemens AG, 1000 Berlin und 8000 München | Lichtwellenleiter |
| US4321073A (en) * | 1980-10-15 | 1982-03-23 | Hughes Aircraft Company | Method and apparatus for forming metal coating on glass fiber |
| US5259057A (en) * | 1992-03-18 | 1993-11-02 | Galileo Electro-Optics Corporation | Waveguide array and method for contrast enhancement |
| US5585968A (en) * | 1993-12-01 | 1996-12-17 | International Business Machines Corporation | Optical elements having regions of different indices of refraction and method of fabricating the same |
| JPH10203841A (ja) * | 1997-01-22 | 1998-08-04 | Hoya Corp | ガラスプリフォーム及びガラスファイバの製造方法 |
| US6838400B1 (en) | 1998-03-23 | 2005-01-04 | International Business Machines Corporation | UV absorbing glass cloth and use thereof |
| DE50106802D1 (de) * | 2001-09-27 | 2005-08-25 | Agfa Gevaert Ag | Abbildungsvorrichtung zum Abbilden eines länglichen Gegenstandes |
| EP1424570A1 (en) * | 2002-11-28 | 2004-06-02 | Avanex Corporation | Focusing device |
| US7221835B1 (en) | 2003-11-25 | 2007-05-22 | Schott Corporation | Ion-reduction-blackened extra-mural absorbing media adapted for inclusion in image-conducting optical fiber arrays and methods of fabricating the same |
| US7197217B1 (en) | 2005-06-30 | 2007-03-27 | Sunoptic Technologies Llc | Method of making a fiberoptic light guide |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2748020A (en) * | 1950-10-27 | 1956-05-29 | Eastman Kodak Co | Glass having interface of reduced lead and diffused silver |
| US3083123A (en) * | 1960-06-01 | 1963-03-26 | Gen Electric | Magnesia alumina spinel articles and process of preparing same |
| US3320114A (en) * | 1963-07-31 | 1967-05-16 | Litton Prec Products Inc | Method for lowering index of refraction of glass surfaces |
| US3434774A (en) * | 1965-02-02 | 1969-03-25 | Bell Telephone Labor Inc | Waveguide for millimeter and optical waves |
| US3486808A (en) * | 1966-03-14 | 1969-12-30 | Bausch & Lomb | Gradient refractive index optical lenses |
| US3563057A (en) * | 1968-08-28 | 1971-02-16 | Bausch & Lomb | Method for making multifocal lens |
-
1969
- 1969-09-25 GB GB47189/69A patent/GB1267387A/en not_active Expired
- 1969-09-27 DE DE19691949028 patent/DE1949028B2/de active Pending
- 1969-09-29 NL NL6914721A patent/NL6914721A/xx unknown
- 1969-09-29 US US861897A patent/US3650598A/en not_active Expired - Lifetime
- 1969-09-30 FR FR6933349A patent/FR2019588B1/fr not_active Expired
- 1969-10-01 BE BE739669D patent/BE739669A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1949028B2 (de) | 1971-02-11 |
| FR2019588B1 (https=) | 1973-10-19 |
| FR2019588A1 (https=) | 1970-07-03 |
| GB1267387A (en) | 1972-03-15 |
| DE1949028A1 (de) | 1970-04-09 |
| US3650598A (en) | 1972-03-21 |
| NL6914721A (https=) | 1970-04-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: NIPPON SELFOC K.K. (NIPPON SELFOC C) LTD) Effective date: 19851031 |