JPS5342327B2 - - Google Patents
Info
- Publication number
- JPS5342327B2 JPS5342327B2 JP8479875A JP8479875A JPS5342327B2 JP S5342327 B2 JPS5342327 B2 JP S5342327B2 JP 8479875 A JP8479875 A JP 8479875A JP 8479875 A JP8479875 A JP 8479875A JP S5342327 B2 JPS5342327 B2 JP S5342327B2
- Authority
- JP
- Japan
- 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
- 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
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- 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
- C03C3/062—Glass compositions containing silica with less than 40% 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% 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
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- 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
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8479875A JPS529012A (en) | 1975-07-10 | 1975-07-10 | Glass for lens of eyeglass |
AU14003/76A AU484911B2 (en) | 1975-06-02 | 1976-05-17 | Glass compositions for ophthalmic lenses |
DE2623683A DE2623683C3 (en) | 1975-06-02 | 1976-05-26 | Glass for eye lenses with a refractive index of at least 40 and a specific gravity of no more than 3.1g / cm3 |
DE2660012A DE2660012C2 (en) | 1975-06-02 | 1976-05-26 | Glasses for eye lenses with a refractive index of at least 1.70, an Abbe value of 40 and a specific gravity of not more than 3.0g / cm? 3? |
GB4741577A GB1539232A (en) | 1975-07-10 | 1976-06-01 | Glass compositions for ophthalmic lenses |
FR7616698A FR2313328A1 (en) | 1975-06-02 | 1976-06-02 | GLASS COMPOSITIONS FOR EYEWEAR GLASSES |
US05/692,074 US4055435A (en) | 1975-06-02 | 1976-06-02 | Glass compositions for ophthalmic lenses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8479875A JPS529012A (en) | 1975-07-10 | 1975-07-10 | Glass for lens of eyeglass |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS529012A JPS529012A (en) | 1977-01-24 |
JPS5342327B2 true JPS5342327B2 (en) | 1978-11-10 |
Family
ID=13840713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8479875A Granted JPS529012A (en) | 1975-06-02 | 1975-07-10 | Glass for lens of eyeglass |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS529012A (en) |
GB (1) | GB1539232A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5245616A (en) * | 1975-10-08 | 1977-04-11 | Tokyo Shibaura Electric Co | Process for tempering high refractive indexed glass |
JPS53102325A (en) * | 1977-02-18 | 1978-09-06 | Obara Optical Glass | Abrasionn and chemicallproof glass |
JPS53109514A (en) * | 1977-03-05 | 1978-09-25 | Nippon Chemical Ind | Glass for spectacle lens |
DE3884715T2 (en) * | 1987-08-14 | 1994-04-21 | Corning Glass Works | Chemically resistant glasses with high refractive index and low density. |
JP2565813B2 (en) * | 1991-07-05 | 1996-12-18 | 株式会社オハラ | Optical glass |
DE19838198C2 (en) * | 1998-08-24 | 2002-06-27 | Schott Glas | Glasses and glass ceramics with a high modulus of elasticity and their uses |
DE19850744C1 (en) | 1998-11-04 | 2000-10-05 | Schott Glas | Use of glasses for the production of hard disk substrates |
JP4496763B2 (en) * | 2003-11-06 | 2010-07-07 | 日本電気硝子株式会社 | Optical glass for mold press molding |
JP2008179500A (en) * | 2007-01-24 | 2008-08-07 | Konica Minolta Opto Inc | Optical glass and optical device |
DE102009011507A1 (en) | 2009-03-06 | 2010-09-09 | Schott Ag | Optical glass, useful for producing optical elements such as lenses and prisms, comprises silicon dioxide, diboron trioxide, aluminum trioxide, lanthanum oxide, niobium oxide, calcium oxide, zinc oxide, titanium dioxide and zirconium oxide |
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1975
- 1975-07-10 JP JP8479875A patent/JPS529012A/en active Granted
-
1976
- 1976-06-01 GB GB4741577A patent/GB1539232A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1539232A (en) | 1979-01-31 |
JPS529012A (en) | 1977-01-24 |