GB2137189B - Optical glass - Google Patents
Optical glassInfo
- Publication number
- GB2137189B GB2137189B GB08328871A GB8328871A GB2137189B GB 2137189 B GB2137189 B GB 2137189B GB 08328871 A GB08328871 A GB 08328871A GB 8328871 A GB8328871 A GB 8328871A GB 2137189 B GB2137189 B GB 2137189B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical glass
- glass
- optical
- Prior art date
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/10—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
-
- 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
-
- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
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)
- Glass Compositions (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2163783A JPS59152240A (en) | 1983-02-14 | 1983-02-14 | Optical glass |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8328871D0 GB8328871D0 (en) | 1983-11-30 |
GB2137189A GB2137189A (en) | 1984-10-03 |
GB2137189B true GB2137189B (en) | 1987-01-28 |
Family
ID=12060580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08328871A Expired GB2137189B (en) | 1983-02-14 | 1983-10-28 | Optical glass |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS59152240A (en) |
DE (1) | DE3340005C2 (en) |
FR (1) | FR2540857B1 (en) |
GB (1) | GB2137189B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6183645A (en) * | 1984-09-28 | 1986-04-28 | Hoya Corp | Glass for lens of color contrast spectacles |
JPS6330343A (en) * | 1986-07-23 | 1988-02-09 | Sumitomo Electric Ind Ltd | Silica glass added with lanthanoid element |
CA1320505C (en) * | 1987-11-04 | 1993-07-20 | Jean Emile Boudot | Medium refractive index glass suitable for ophthalmic applications |
DE69307936D1 (en) * | 1992-03-11 | 1997-03-20 | British Glass Mfg Confederatio | Glass compositions |
DE19958517C1 (en) * | 1999-12-04 | 2001-06-21 | Schott Glas | Lead-free optical light flint glasses |
DE10133521C1 (en) * | 2001-07-10 | 2002-09-05 | Schott Glas | Lead-free optical glass contains oxides of silicon, aluminum, sodium, titanium, zirconium, niobium and tantalum, and fluorine |
CN109896740B (en) * | 2019-04-24 | 2022-04-22 | 成都光明光电股份有限公司 | Optical glass and optical element |
CN109912195B (en) * | 2019-04-24 | 2021-12-07 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
CN109987838B (en) * | 2019-04-24 | 2022-04-15 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
CN109867442B (en) * | 2019-04-24 | 2021-11-26 | 成都光明光电股份有限公司 | Optical glass |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2554952A (en) * | 1946-09-21 | 1951-05-29 | Holophane Co Inc | Titania-containing silicate glass |
DE3206226A1 (en) * | 1982-02-20 | 1983-09-01 | Schott Glaswerke, 6500 Mainz | Optical and ophthalmic glass having a refractive index of >/=1.56, an Abbe number of >/=40 and a density of </=2.70 g/cm<3> |
GB2115403B (en) * | 1982-02-20 | 1985-11-27 | Zeiss Stiftung | Optical and opthalmic glass |
-
1983
- 1983-02-14 JP JP2163783A patent/JPS59152240A/en active Granted
- 1983-10-28 GB GB08328871A patent/GB2137189B/en not_active Expired
- 1983-11-04 FR FR8317567A patent/FR2540857B1/en not_active Expired
- 1983-11-04 DE DE19833340005 patent/DE3340005C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2137189A (en) | 1984-10-03 |
JPS6335579B2 (en) | 1988-07-15 |
DE3340005A1 (en) | 1984-08-16 |
DE3340005C2 (en) | 1985-09-19 |
FR2540857B1 (en) | 1986-04-25 |
JPS59152240A (en) | 1984-08-30 |
FR2540857A1 (en) | 1984-08-17 |
GB8328871D0 (en) | 1983-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
817A | Application for correction of clerical errors now open to opposition (sect. 117/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 20031027 |